baber/WOPTO huggingface dataset:
Patent CA-2065675-A1 (CA)
Title: Television receiver with partially by-passed non-linear luminance signal processor
Inventor: SENDELWECK GENE K
IPC: H04N9/77
Filed: 1992-04-09
Abstract: A composite video input signal is separated into luminance and chrominance components by a signal separation filter and the components are applied to a display processor having a video display device coupled thereto for providing displayed images. For enhancement of detail in dark and light areas of the displayed images, the luminance signal is coupled to the display processor via a non-linear luminance signal processor which provides additional amplification in the dark and light areas but tends also to degrade the signal to noise ratio in those areas. To avoid a loss of signal to noise ratio in the enhanced areas the receiver includes a by-pass circuit for by-passing high frequency components of the luminance signal around the non-linear luminance signal processor and a filter in the non-linear luminance signal processor for attenuating the high frequency components.
Patent CA-2065794-A1 (CA)
Title: Heterocyclic amides
Inventor: BERNSTEIN PETER R
IPC: C07D401/12
Filed: 1992-04-10
Abstract: ABSTRACT        The present invention relates to certain novel heterocyclic amides which are 1-pyridylacetamide compounds of formula I, set out herein, which are inhibitors of human leukocyte elastase (HLE), also known as human neutrophil elastase (HNE), making them useful whenever such inhibition is desired, such as for research tools in pharmacological, diagnostic and related studies and in the treatment of diseases in mammals in which HLE is implicated.  The invention also includes intermediates useful in the synthesis of these heterocyclic amides, processes for preparing the heterocyclic amides, pharmaceutical compositions containing such heterocyclic amides and methods for their use.
Patent CA-2069566-A1 (CA)
Inventor: FAHRENKROG WILLIAM H
IPC: E01C19/00
Filed: 1992-05-26
Abstract: Concrete pouring and leveling devices and method of using them consisting of vertically placed rigid cylindrical tubes or pipes having reusable yokes inserted at their tops to support screed pipes placed horizontally along the predetermined desired elevation of the concrete surface.
Patent CA-2072973-A1 (CA)
Title: Auxiliary removable memory for storing image parameter data
Inventor: PARULSKI KENNETH A
IPC: H04N1/387
Filed: 1991-09-12
Abstract: The limited ability of an internal memory in a CD player to store user-generated image parameter data is augmented by a storage medium, such as an electrically programmable read only memory module, configured to be removably interfaced with the CD player's microcontroller for storing image parameter data that has been programmed by the user. The module can then be removed from the playback device and inserted into that or another playback device for controlling its operation. The customized image parameter data may include one or more image display parameters including contrast, image magnification, color balance, saturation, border type and border location. It may also store information from which a photofinisher may produce hard copy prints of selected images or an entirely new album disc of user selections taken from multiple discs.
Patent CA-2073372-A1 (CA)
Title: Twin-unit composting apparatus
Inventor: WARRINGTON JOHN E
IPC: C05F17/02
Filed: 1992-07-08
Abstract: ABSTRACT         A composting apparatus is provided comprising two similar units arranged side-by-side each provided with a wire mesh basket structure as its lowermost extremity.  The units are installed in a hole in the ground, with the wire baskets underneath and allowing below-ground communication between the composting contents therein.  Each unit has an inclined  top  wall  with  a  radiation  transmissive  lid therein,  air ducts extending upwardly and allowing air ingress into the units through an adjustable opening, and a common exhaust duct with an exhaust fan. A deodorizing filter is provided in the common exhaust duct.  The units are insulated to enhance heat retention.
Patent CA-2075869-A1 (CA)
Title: Production of fluoxetine and new intermediates
Inventor: SCHWARTZ EDUARD
IPC: C07C213/06
Filed: 1992-08-12
Abstract: 4-methyl-3-[(4-trifluormethyl)phenoxy]-3-phenyl propylamine (I) is prepared by reacting 3-dimethylamino-1-phenyl-1-propanol (III) with haloformate (VIII) to obtain a substituted propyl carbamate (IX) which is hydrolyzed under basic conditions to yield methylamino-1-phenyl-1-propanol (X).  The methylamino-1-phenyl-1-propanol is then converted to fluoxetine (I) by reaction with 4-halo-benzotrifluoride (XI).           In the process certain substituted carbamates are obtained as intermediates.
Patent CA-2075919-A1 (CA)
Title: Fluidized impact mill
Inventor: REICHNER THOMAS W
IPC: B02C13/14
Filed: 1992-06-17
Abstract: ABSTRACT OF THE DISCLOSURE         A low energy input comminuting device for continuously breaking-up charge bodies or portions of frangible or brittle material to free their value content as well as to reduce it to a desired size employs an upright enclosure or container into which charge bodies are fed in such a manner as to minimize in-air flow and to provide a steady stream of the bodies into the upper end of a centrally positioned downflow feed duct from which a series or group of horizontally, radially outwardly extending and vertically spaced-apart discs of a rotating assembly are suspended to define a central chamber selection passageway that is open at its upper end to the lower end of the duct, and at its bottom end through a grating to a motor drive compartment into which a fluid and preferably a cooling fluid such as air is being introduced under positive pressure.  The bodies are selectively, in their downward movement into and along the central passageway, introduced  selectively into vertically  spaced and radially extending side chambers defined by the discs of the assembly on the basis of their respective weights, with the lighter weight and usually smaller bodies being first introduced and those of greater weight being the last, all in a progressive manner as the bodies are fed downwardly from the duct into and along the passageway.  On being introduced into radial chambers defined between the discs of the rotating assembly,  the bodies are subjected to implosion and then flung radially outwardly from within the chambers against outwardly offset abutment portions within the central chamber selection passageway portion of the enclosure and moved upwardly as finally broken up particles or particulates along the inside of the container into an upper particle classifying chamber that is disposed between its outer walls and the centrally disposed feed duct.
Patent CA-2078084-A1 (CA)
Title: Gear pump valving system
Inventor: LONSBERRY KENNETH F
IPC: F04B49/22
Filed: 1992-09-11
Abstract: GEAR PUMP VALVING SYSTEM                 ABSTRACT OF THE DISCLOSURE   A gear pump having a bypass valve within its port end cover is disclosed.   The bypass valve is spring biased to open, pressure to close, rather than being pressure compen-sated, preventing hydraulic fluid from being "bled off" during the entire work cycle.  A butterfly type structure is utilized for the dry valve which is attached to the inlet of the gear pump thus eliminating the need for a cumbersome device for actuating same.
Patent CA-2082436-A1 (CA)
Title: Carbamates, their preparation and fuels and lubricants containing the carbamates
Inventor: MOHR JUERGEN
IPC: C08F8/30
Filed: 1992-11-09
Abstract: Carbamates having a long-chain N-alkyl radical, a process for the preparation of the carbamates in a conventional manner and fuels and lubricants which contain these carbamates as additives.
Patent CA-2083647-A1 (CA)
Title: Production of chlorofluorocarbon-free, urethane-containing moldings having a cellular core and a compacted peripheral zone
Inventor: HORN PETER
IPC: C08K7/24
Filed: 1992-11-24
Abstract: The invention relates to a process for the preparation of chlorofluorocarbon-free (CFC-free), elastomeric, semi-rigid or rigid mouldings containing urethane groups or urethane and urea groups and having a cellular core and a compacted peripheral zone with an essentially pore-free, smooth surface, by reacting 
 
  a) organic and/or modified organic polyisocyanates with 
  b) at least one relatively high-molecular-weight compound containing at least two reactive hydrogen atoms and optionally 
  c) low-molecular-weight chain extenders and/or crosslinking agents, in the presence of 
  d) blowing agents, 
  e) catalysts, 
  f) at least one microporous activated charcoal and/or a microporous carbon molecular sieve, which preferably has a mean pore diameter with more than 40% in the range from 0.3 to 3 nm, a pore volume of from 0.20 to 1.4 ml/g and a BET surface area of from 500 to 2500 m<2>/g or greater, and optionally further additives and 
  g) auxiliaries, 
 in a closed mould with compaction.
Patent CA-2084651-A1 (CA)
Title: Hip prosthesis
Inventor: GODEAU DENIS
IPC: A61F2/36
Filed: 1991-06-06
Abstract: A hip prosthesis typically includes an anchoring shaft (1), a head (2) and a flange (3). The prosthesis is characterized in that the anchoring shaft (1) has a smoothly-curved shape with a rear concavity, in that, at least in its upper portion (1c), said shaft's cross-section grows larger towards the top thereof starting from a point where the cross-sectional shape has an extended transverse axis (S3), in that said upper portion (1c) is curved inwards so that the head (2) forms an aligned extension thereof, and in that the upper portion (1c) is also twisted in the same direction as the anteversion of the head (2). Cement-free and cemented versions are provided, as well as several different sizes to suit all needs.
Patent CA-2089707-A1 (CA)
Title: Alkali metal 8,9-dehydroestrone sulfate esters
Inventor: RAVEENDRANATH PANOLIL C
IPC: A61P9/10
Filed: 1993-02-17
Abstract: Abstract of the Disclosure This invention presents alkali metal salts of 8,9-dehydroestrone, salts of its sulfate ester, and stable compositions thereof, as well as processes for their production and use in estrogen replacement therapy and cardiovascular protection.
Patent CA-2092262-A1 (CA)
Title: Film length checking apparatus
Inventor: PUMMELL LESLIE J H
IPC: G01B11/04
Filed: 1993-03-23
Abstract: FILM LENGTH CHECKING APPARATUS                  Abstract In some types of processing apparatus, there is a minimum length of film strip which can be processed.  To overcome this problem, several film strips may be spliced together to provide the desired length and/or a leader attached to the leading edge of the film strip to guide it through the apparatus for processing.  Described herein is a loading device (10) for photographic processing apparatus which allows a length of film (102) to be unloaded from its cassette (100) in a film unloading station, its length checked at a film length checking station (18), and passed to a storage station (16) prior to being directed to the processing apparatus.  Any length of film not exceeding the minimum length requirement for the processing apparatus can be removed from the storage station thereby avoiding film jams because the film is too short to pass from one transport station to another in the processing apparatus.
Patent CA-2094090-A1 (CA)
Inventor: VEATCH JAMES L
IPC: A61K31/575
Filed: 1993-04-15
Abstract: This application relates to a novel formulation of a compound which suppresses estrus in animals, which formulation allows for convenient, accurate dosing of the animal when treated with the compound.
Patent CA-2095318-A1 (CA)
Inventor: OLIVER RAYMOND
IPC: F26B3/08
Filed: 1993-04-30
Abstract: Abstract IMPROVEMENTS IN PRILL DRYING A process for obtaining explosives grade ammonium nitrate (EGAN) prill comprises the step of drying substantially mono-sized EGAN "wet" prill by a process of solids plug flow fluidisation using a vertical transverse flow of drying gas to yield a product of bulk density around 0.6 to 0.7 gm/cc and a final water content in the range of from around 0.1 to 0.6% by weight water.
Patent CA-2095459-A1 (CA)
Inventor: BENIK ANTHONY G
IPC: A22C13/02
Filed: 1993-05-04
Abstract: A shirred casing article is composed of a cut length of fibrous casing and must be soaked prior to stuffing.  A loop is attached at one end of the cut length for hanging the casing after stuffing. However prior to stuffing, the loop is extended longitudinally about the shirred casing article to maintain the integrity of the shirred casing during soaking. Thus the loop which functions as a means to suspend the casing after stuffing, functions before stuffing as a means to restrain longitudinal expansion of the shirred article.
Patent CA-2095674-A1 (CA)
Inventor: GRIPPI NICHOLAS A
IPC: G01N33/48
Filed: 1993-05-06
Abstract: The present invention is a plastic container with a barrier label.   In use, the barrier label is wrapped around and adhered to a container.   The barrier  label preferably is transparent so that the contents of the container are visible to the observer at the same time identifying information may be displayed on the barrier label.   The barrier  label  is useful  for providing an effective barrier against gas permeability in containers and for extending shelf-life of containers,  especially plastic evacuated blood collection devices.
Patent CA-2097152-A1 (CA)
Title: Adaptive-sequence-estimation apparatus employing diversity combining/selection
Inventor: LIU QINGLI
IPC: H04B7/08
Filed: 1993-05-27
Abstract: A diversity receiver employing maximum-likelihood-sequence estimation employs a separate channel estimator (44-1, ... , 44-L) for each of a plurality of diversity channels. Each channel estimator (44-1, ..., 44-L) produces channel-model parameters ([f ~], ..., [f~~]) that characterize their respective channels. A weighting-and-accumulation circuit (56) computes the responses of the thus-represented models to candidate symbol sequences, and metrics indicating the likelihoods that respective candidate sequences were the sequences actually sent are determined by comparing the model output with the received signal in a comparison circuit (58) and squaring the magnitudes of the results in a squaring circuit (60). The receiver then employs a Viterbi algorithm (62) to determine which sequence is the one most likely to have been sent. In one version, it does this on the basis of the metrics calculated for the channel whose signal is strongest, while it determines the metrics by combining partial metrics from all of the channels in another version.
Patent CA-2099227-A1 (CA)
Title: Foyer a pilote continu avec vestibule ventile
Inventor: TOMLINSON RONALD S
IPC: F23L17/00
Filed: 1993-06-25
Abstract: Foyer à combustible à tirage aspiré comportant un échangeur de chaleur avec élément d'entrée et élément de sortie incluant un évent avec élément d'entrée, un brûleur et un vestibule d'échappement communiquant avec l'évent. Un ventilateur présente un élément d'entrée communiquant avec l'élément de sortie de l'échangeur de chaleur et un élément de sortie placé à l'entrée de l'évent. La section de l'élément de sortie du ventilateur est plus petite que celle de l'élément d'entrée de l'évent. L'élément d'entrée de l'évent et l'élément de sortie du ventilateur définissent un orifice d'entrée d'évent. Un coupe-tirage avec élément d'entrée est placé dans le vestibule et crée un plénum communiquant avec l'orifice d'entrée d'évent. Une source de produits de combustion est placée dans le foyer de manière que les produits de combustion qui y sont produits communiquent avec l'élément d'entrée du coupe-tirage et l'orifice d'entrée d'évent. La source de produits de combustion comprend une veilleuse ou un allumeur électronique qui enflamme le combustible sortant du brûleur.
Patent CA-2100526-A1 (CA)
Title: Shields for protecting surfaces subject to frictional wear from such wear and clogging
Inventor: MEDLAND THOMAS
IPC: B65D90/04
Filed: 1993-07-14
Abstract: ABSTRACT OF THE INVENTION      A removable, replaceable shield is provided to protect surfaces of containers, chutes and machinery generally defined as vessels, from the frictional effect of contents moving against them.  The shield is made from resilient sheet of polyethylene.  Such shields may be provided, for example, the main chamber or in the material removal tube of a tower silo for grain or other granular material storage, for snow plows, manure spreaders, grain harvesters, storage containers and the like.
Patent CA-2101783-A1 (CA)
Title: Amide derivatives and their therapeutic use
Inventor: KELLEY JAMES L
IPC: A61K31/165
Filed: 1992-01-17
Abstract: The present invention relates to certain 3-phenyl-2-alkenamide derivatives, base salts and other physiologically functional derivatives thereof, pharmaceutical preparations containing them and the use of such compounds and preparations thereof in therapy, particularly as muscle relaxants, anxiolytics and anti-convulsants.  Processes for the preparation of these 3-phenyl-2-alkenamides are also disclosed.
Patent CA-2103479-A1 (CA)
Title: Low nox combustor
Inventor: WITTEVEEN GUSTAAF J
IPC: F23C9/00
Filed: 1993-11-19
Abstract: Abstract.            The invention relates to a combustor, such as a burner or a cylinder of an engine with internal combustion, where combustion air passing through a slit (2,3; 6,7; 8,9; 11,12; 21,23; 31; 36,37; 39; 45; 48,49; 54; 61; 70,71,73,78; 96'; 109,110; 81; 124; 128), which may be straight as well as ring-shaped, is ignited in a space which allows for the development of turbulence. Said development of turbulence is caused by providing that bD/v > 1000, and preferably > 2000, where b represents the width of the slit, D the distance between two consecutive slits or the width of the space and v the kinematic viscosity of the supplied combustion air. In accordance with further embodiments of the invention, guiding members are placed to sustain said turbulences and/or to feed combustion gases back to the ejected peel-shaped jet. Thus a very low  NOx value is obtained and it is likewise possible to construct a stable burner with a very wide adjustment range.
Patent CA-2103770-A1 (CA)
Inventor: NIEH SIMON K
IPC: H01J37/34
Filed: 1993-08-10
Abstract: Plasma-enhanced magnetron-sputtered deposition (PMD) of materials is employed for low-temperature deposition of hard, wear-resistant thin films, such as metal nitrides, metal  carbides,  and metal  carbo-nitrides,  onto  large, three-dimensional, irregularly shaped objects (20) without the requirement for substrate manipulation.  The deposition is done by using metal sputter targets (18) as the source of the metal and immersing the metal sputter targets in a plasma (16) that is random in direction and fills the deposition chamber (12) by diffusion.  The plasma is generated from at least two gases, the first gas comprising an inert gas, such as argon, and the second gas comprising a nitrogen source, such a nitrogen, and/or a carbon source, such as methane.   Simultaneous with the deposition, the substrate is bombarded with ions from the plasma by biasing the substrate negative with respect to the plasma to maintain the substrate temperature and control the film microstructure.  The substrate, metal targets, and plasma are all electrically decoupled from each other and from walls (14) of the deposition chamber, so as to provide independent electrical control of each component.  The PMD process is applicable not only to the deposition of hard coatings, but also can be applied to any thin film process such as for electrically and thermally conductive coatings and optical coatings, requiring simultaneous, high-flux, ion-bombardment to control film properties.
Patent CA-2104046-A1 (CA)
Title: Adhesive Compositions, Wound Dressings and Methods
Inventor: CHEN YEN-LANE
IPC: C09J121/00
Filed: 1993-08-13
Abstract: Hydrocolloid adhesive compositions are disclosed comprising a hydrophobic unsaturated aliphatic homopolymer, a compatible tackifier, and at least one hydrocolloid absorbent. The compositions have enhanced resistance to breakdown by body fluids, adjustable absorbency, improved adhesive and cohesive properties, as well as a reduced tendency to leave an adhesive residue after application. Also disclosed are wound dressings, ostomy or prosthesis adhesives, methods of using wound dressings, and methods for forming the hydrocolloid adhesive compositions.
Patent CA-2107816-A1 (CA)
Inventor: MOUROT CHRISTOPHE
IPC: H04B7/005
Filed: 1993-10-06
Abstract: ABREGE      La   présente   invention   concerne   un   dispositif d'estimation d'un canal de transmission Le  dispositif   d'estimation   (2)   d'un   canal   de transmission (1), de manière connue, reçoit à une extrémité de   ce   canal   (1)   une   séquence   d'entraînement   (ri) correspondant à une séquence d'apprentissage (si) produite à l'autre extrémité du canal (1), génére également la séquence d'apprentissage  (si)  et  procède  à  la  corrélation  des séquences d'apprentissage (si) et d'entraînement (ri) pour produire un jeu de coefficients de corrélation (hi). Selon l'invention, il comprend de plus des moyens de correction pour annuler les coefficients  (hi)  ayant les modules les plus faibles de sorte que la somme des carrés des modules de ces coefficients soit inférieure à une fraction (S) de la somme des carrés des modules de tous les coefficients de corrélation (hi).       Figure  à  publier : Figure unique
Patent CA-2109910-A1 (CA)
Title: Maintaining Perforation Phasing
Inventor: ANDERSON DANFORD C
IPC: B31B50/02
Filed: 1993-11-24
Abstract: In an apparatus for making plastic bags or the like from a continuous film of material comprising a sealing drum having at least one seal bar for imparting transverse seals to the film at regularly spaced intervals and a perforator having a rotatable perforator blade for imparting transverse perforations to the film at regularly spaced intervals the film comprising printmarks appearing thereon at regularly spaced intervals, an apparatus and method are disclosed for tracking the positions of each print mark and each perforation and comparing the difference between these positions to a desired difference and thereafter adjusting the angular position of the perforator blade until the difference between the positions of each print mark and each perforation is equal to the desired difference to thereby maintain a desired spacing between each print mark and each perforation.
Patent CA-2110324-A1 (CA)
Inventor: HOWE VARCE E
IPC: B05B5/053
Filed: 1993-11-30
Abstract: Disclosed is a rotary atomizer comprising an inside surface onto which a coating material is deposited, an opposite outside surface and a discharge zone adjacent the rotary atomizer's inside and outside surfaces, coating material being discharged from the discharge zone. First means rotates the rotary atomizer, and a housing substantially surrounds and houses the rotary atomizer except for a region of the rotary atomizer adjacent and including the discharge zone, the housing including an inside surface, an outside surface and an opening adjacent the inside and outside surfaces of the housing. The inside surface of the housing and the outside surface of the rotary atomizer both are treated so as to be electrically non-insulative. Second means maintains an electrostatic potential difference across the electrically non-insulative inside surface of the housing and an article to be coated by material atomized by the rotary atomizer.
Patent CA-2112386-A1 (CA)
Title: Self-Healing Bidirectional Logical-Ring Network Using Crossconnects
Inventor: SANDESARA NIRANJAN B
IPC: H04L12/42
Filed: 1992-02-06
Abstract: A bidirectional logical-ring network employs crossconnect nodes (1100 and 1200), which partition the network into segments (X, Y and Z) and interconnect segments at the subchannel level to form logical ring structures. All segments are independent, and each segment includes a subset of Add-Drop Multiplex nodes (ADMs) (300 through 800) and two pairs of links (E through P), one working and one protection. The formation of logical rings from the interconnection of independent segment subchannels preserves the self-healing advantages of conventional bidirectional ring networks and allows greater flexibility to efficiently accommodate bandwidth upgrade requests.