baber/WOPTO huggingface dataset:
Patent CA-2015950-A1 (CA)
Inventor: FREEDMAN GARY M
IPC: C30B15/02
Filed: 1990-05-02
Abstract: A system for continuously supplying solid silicon particles to an apparatus for growing hollow, tubular crystalline bodies. The system includes a container for storing solid silicon particles, a vibratory, pneumatic, or other device for causing the particles to exit the container through an aperture in the bottom thereof, a receiving chamber coupled with the container for receiving the particles which are dispensed from the container, and means for providing a jet of pressurized fluid in the receiving chamber. The latter is coupled with the crucible of the crystal growth apparatus via a conduit extending up through the center of the crucible. In operation, silicon particles are dispensed from the container, travel into the receiving chamber where they are entrained by the jet of pressurized fluid which drives the particles out of the receiving chamber, through the conduit, and into the crystal growth furnace where they fall back into the molten silicon supported in the crucible.
Patent CA-2016081-A1 (CA)
Title: Deposition of silver layer on nonconducting substrate
Inventor: SODERVALL BILLY V
IPC: C23C18/30
Filed: 1990-05-04
Abstract: Metallic silver is deposited upon the surface of a nonconducting substrate using a multi-step wet deposition process.  The surface is cleaned, and then activated in an aqueous solution containing stannous tin.  The silver is deposited as a colloidal material from an aqueous solution of a silver-containing salt, a reduction agent that reduces the salt to form the metallic silver,  and a deposition control agent that prevents the silver from nucleating throughout the solution.   After the substrate is coated, the coating is stabilized in an aqueous solution of a salt of a metal from the platinum group or gold, dissolved in dilute hydrochloric acid.   The process is particularly effective   for  depositing  uniform   films   of   2   to 2000 Angstroms thickness,  which strongly adhere to the substrate.
Patent CA-2019557-A1 (CA)
Title: Cosmetic article
Inventor: VISHNPAD MOHAN
IPC: A61L15/34
Filed: 1990-06-21
Abstract: Abstract of the Disclosure An absorbent article for skin care is disclosed which when used is capable of absorbing relatively large amount of body fluids while also delivering a benefit to skin. The article includes an absorbent substrate which carries a layer of oil on one surface. The oil is deposited from an oil-in-water emulsion on that surface of the substrate that is to be held in contact with the skin.
Patent CA-2020333-A1 (CA)
Title: Pliant media blasting method and apparatus
Inventor: LYNN WILLIAM R
IPC: B24C7/00
Filed: 1990-07-03
Abstract: The invention relates to a method and to a pliant particulate media device for the same which includes an air source for supplying air pressure to a supply container, containing a quantity of pliant blasting media, and a discharge line. The container is connected with a mechanical feed device that positively meters out a desired quantity of blasting media into a discharge line which conveys the blasting media to a discharge nozzle where it is discharged against a surface to be treated to achieve the desired treatment. The invention additionally relates to a recovery system for separating the pliant blasting media from the debris and the other unwanted materials and a system for removing undesired liquids and chemicals from the pliant blasting media after use,
Patent CA-2021393-A1 (CA)
Title: Process for preparing polyarylene sulfides
Inventor: SENGA MINORU
IPC: C08G75/0254
Filed: 1990-07-17
Abstract: ABSTRACT OF THE DISCLOSURE           PROCESS FOR PREPARING POLYARYLENE SULFIDES           In a process for preparing a polyarylene sulfide by polycondensation of  a dihalogenated aromatic compound with a source of  sulfur in an organic polar solvent,  the resulting polyarylene sulfide in a powdery form is added to a polycon-densation   system   containing   the   dihalogenated   aromatic compound  and  the  source  of  sulfur  in  the  organic  polar solvent  and  subjected  to  polycondensation,  thereby producing the  polyarylene  sulfide  in  a  granular  form.  The  granular polyarylene  sulfide  is  easier  in  handling  and  higher  in qualtiy  than  the  powdery  polyarylene  sulfide.  The  powdery polyarylene  sulfide  recovered  can  be  reused  so  that  the process  is  economical.  Also  the  powdery polyarylene  sulfide containing low  molecular  components  such  as  oligomers  is separated  from  the  granular polyarylene  sulfide so  that  the granular polyarylene sulfide is more useful  than the powdery one .
Patent CA-2021461-A1 (CA)
Inventor: CRAWFORD PAUL A
IPC: F16H3/083
Filed: 1990-07-18
Abstract: ABSTRACT OF THE DISCLOSURE      A gear drive unit with an equalized shift is set forth. The gear drive unit is specifically a two-shaft transaxle having multiple forward speeds and at least one reverse speed. The transaxle specifically utilizes an existing transaxle housing originally designed to provide even more forward speeds. Certain existing internal components are also utilized.  With the transaxle having fewer forward speeds, the forward speed gears are spaced farther apart on a shaft in the existing housing.  To provide an equalized, in-line shift pattern, a shift coupling is employed between certain forward speed gears. The shift coupling connects one of the gears to the shaft when the coupling itself is engaged by a shift key of shift mechanism in the transaxle.  Shifting through all gears is thereby accomplished by equal incremental movements of the shift mechanism of the transaxle.
Patent CA-2021684-A1 (CA)
Title: Chroman derivatives
Inventor: GERICKE ROLF
IPC: A61K31/50
Filed: 1990-07-20
Abstract: Abstract Novel chroman derivatives of the formula I             I in which R1 to R6 and Z have the meanings given in Patent Claim 1, and their salts show effects on the cardiovascular system and can be used for the treatment or prophylaxis of cardiac  insufficiency,  angina  pectoris,  high  blood pressure, incontinence and alopecia.
Patent CA-2024263-A1 (CA)
Title: Wear resistant offset sidebar chain
Inventor: THUERMAN JOHN N
IPC: E02F5/06
Filed: 1990-08-29
Abstract: ABSTRACT OF THE DISCLOSURE          A sidebar is provided for an offset sidebar trenching chain.  The sidebar has an inner edge which slides along a boom of a trenching machine, when the trenching chain is in use.         The sidebar is induction hardened through a portion thereof extending from the inner edge, for increased resistance to wear due to friction.
Patent CA-2024965-A1 (CA)
Title: Preventive and therapeutic agent for hepatitis
Inventor: WATANABE MASAHIRO
IPC: A61P43/00
Filed: 1990-09-10
Abstract: ABSTRACT OF THE DISCLOSURE         A preventive and therapeutic agent for hepatitis, comprising a fat emulsion containing a compound having prostaglandin E1 activities.
Patent CA-2027034-A1 (CA)
Title: Biologically degradable cover film and method of preparing same
Inventor: SUOMINEN HANNU L
IPC: C08L101/00
Filed: 1990-10-05
Abstract: ABSTRACT OF THE DISCLOSURE        A biologically degradable film is prepared consisting of a synthetic polymer and a biologically degradable plant material, the plant material having a high oil content and being ground, dried and pulverized.  The film is prepared in the film extruder in which the dried pulverized plant material is mixed, possibly with other additives, with a synthetic polymer and a film is formed therefrom.          The invention also is directed to the biologically degradable film produced by the method.
Patent CA-2027564-A1 (CA)
Title: Appliance for sorting and deflaking fibre suspensions
Inventor: HUTZLER HAGEN
IPC: D21D5/20
Filed: 1990-02-07
Abstract: ABSTRACT     An appliance for sorting and deflaking fibre suspensions has a rotor with a horizontal axis rotatively mounted in a housing.  In a first, inlet rotor zone the rotor is provided with  entraining  means  for  extracting  by  centrifugation contaminating particles of high relative density.  The rotor is surrounded downstream by a screening cylinder and is also provided with entraining means for the fibre suspension, which deflake and sort out the fibre suspension in a second rotor zone.  In a third rotor zone the fibres are washed out of the rejects after water has been added and in a fourth zone the rejects are dehydrated.
Patent CA-2028230-A1 (CA)
Title: Arithmetic circuit for calculating and accumulating absolute values of the difference between two numerical values
IPC: G06F17/10
Filed: 1990-10-22
Abstract: Abstract of the Disclosure An   arithmetic   circuit   for   calculating  and accumulating absolute values of a difference between a first and a second numerical value has a predetermined bit length and is represented by 2's complement notation and outputting an accumulation result as an operation result.  The circuit comprises first  inverting means for  inverting the second numerical value to produce an inverted value; first adder means for producing a sum of the first numerical value and the inverted value and outputting the sum as a first addition result;  second  inverting  means  for  inverting  the  first addition  result  to  output  an  inverted  addition  result. Selecting means select either one of the inverted addition result and the first addition result on the basis of a sign of the first addition result and output the one result as a selected value.  Correcting value generating means output a correcting value on the basis of a sign of the first addition result and second adder means produce a sum of the selected value, the correcting value and a delayed addition result and output the sum as a second addition result.  First delaying means delay the second addition result by a predetermined delay to produce the delayed addition result while outputting the delayed addition result as the operation result.
Patent CA-2029465-A1 (CA)
Title: Asphaltene dispersants-inhibitors
Inventor: STEPHENSON WILLIAM K
IPC: C09K8/524
Filed: 1990-11-07
Abstract: The present invention relates to an asphalt/asphaltene dispersant comprising an admixture of polymer A and polymer B ranging from 100 to 0 weight percent A to from 0 to 100 weight percent B, wherein polymer A is an alkyl substituted phenol-formaldehyde liquid resin having a weight average molecular weight ranging from about 1000 to about 20,000 and an alkyl substituent containing from 4 to 24 carbon atoms, which alkyl substituent may be a linear or branched alkyl group; and Polymer B is a hydrophilic-lipophilic vinylic polymer having a structure essentially described as:   (see formula I) wherein R is chosen, at each occurrence, from hydrogen and methyl groups; and R' is a hydrocarbonaceous group containing from 4 - 24 carbon atoms and chosen from linear or branched alkyl groups, aromatic, cyclic, alkaryl, aralkyl groups, and mixtures thereof; and A is chosen from the groups, (see formula II) and mixtures thereof; and M is chosen, at each occurrence, from the group hydrogen, alkali metal cations, alkaline earth metal rations, ammonium ions, protonated amines, quaternary amines, hydroxyl ethyl, hydroxy propyl and (see formula III) groups, where R is as defined herein, and mixtures thereof; and R'' is chosen, at each occurrence, from the group (see formula IV) where R is as defined herein, (see formula V) where M is as defined herein, and mixtures thereof; and m and n are both integers of sufficient number to achieve a weight average molecular weight. ranging from about 5,000 - 250,000, and being of such a ratio as to describe the presence of from 90 to 10 weight percent of the lipophilic monomer, m, and from to 90 weight percent of the hydrophilic monomer, n, and wherein x ranges from 1 to 20. The dispersants help maintain asphalt and asphaltenes in dispersion and inhibit fouling, precipitation or build-up in equipment.
Patent CA-2030273-A1 (CA)
Title: Bundling apparatus
Inventor: GERKEMA HEIN
IPC: B65B13/20
Filed: 1990-11-19
Abstract: ABSTRACT OF THE DISCLOSURE                    BUNDLING APPARATUS         A bundling apparatus for clamping elongate articles into a bundle, the apparatus having a zone into which the  articles are brought for bundling, and an elongate flexible element suspended so as to form a loop at least partly surrounding said zone.  A pair of swingable tensioning arms each has a contact member for engaging the clamping element from outside the loop and is swingable in a path about an axis in a manner such that the contact member moves above said zone while pushing said clamping element, the contact member thus cooperate to effect tightening of the loop.  The paths of swinging of said arms are arranged 80 that said arms are able to cross each other during their swinging movement.
Patent CA-2030356-A1 (CA)
Inventor: KEPPEL WILLIAM
IPC: A61M21/00
Filed: 1990-11-20
Abstract: A method and apparatus for measuring and controlling the level of a selected hormone in the circulatory system of an animal. The relationship between the level of a hormone, such as the immune-regulating cylokine IL-1, in the blood stream of an animal and application of sensory stimuli to the animal is determined by periodically taking discrete samples of the animal's blood while the stimuli are applied, measuring the levels of the hormone in the discrete samples, and correlating these levels with the application of the stimuli. Thereafter, the level of the hormone is controlled by applying to the subject those stimuli that have been found to produce a desired effect on the level of the hormone in the blood.      Biofeedback training and relaxation techniques are used to increase the effectiveness of the method and apparatus.
Patent CA-2031134-A1 (CA)
Inventor: BIGAN ERWAN
IPC: G02F1/17
Filed: 1990-11-29
Abstract: Procédé et dispositif de modulation électrooptique, utilisant la transition oblique à basse énergie d'un super-réseau très couplé. Selon l'invention, on injecte un faisceau lumineux dans un super-réseau très couplé et on applique à ce dernier un champ électrique (E) dont en fait varier l'amplitude au cours du temps afin de faire varier l'intensité du faisceau. Celui-ci est injecté parallèment au plan des couches du super-réseau qui guide le faisceau ainsi in injecté. Le champ électrique est faible et appliqué suivant la direction de croissance du super-réseau, ce qui provoque l'apparition d'une transition oblique (TB) à basse énergie dans un domaine de longueurs d'ondes où le super-réseau est transparent en l'absence de champ électrique. Le super-réseau est tel que la longueur d'onde (11) du faisceau lumineux soit contenue dans ce domaine. Application aux télécommunications optiques. Figure 8.
Patent CA-2031156-A1 (CA)
Title: Anthelmintics
Inventor: MOLLEYRES LOUIS-PIERRE
IPC: C07D403/12
Filed: 1990-11-29
Abstract: AP/5-17858/+            Anthelmintics Abstract Novel anthelmintics are described, which contain as active ingredient acompound of formula I                           (I) or, in its hydrogenated form, formula Ia              (Ia) wherein R1 and R2 are each independently of the other C1-C6alkyl, allyl, C3-C6-cycloalkyl, benzyl or phenyl; and R3 is an unsubstituted or substituted heteroaromatic five-membered ring azole, bonded via carbon, selected from the series benzimidazole, benzoxazole, benzothiazole, imidazole, oxazole, thiazole, oxadiazole, thiadiazole and triazole; and R4 and R5 are each independently of the other hydrogen, C1-C6alkyl, C1-C6haloalkyl, C1-C6-alkoxy or C1-C6haloalkoxy, including its tautomeric forms and physiologically tolerable salts. The preparation, formulation and use of these active ingredients is also described.
Patent CA-2031947-A1 (CA)
Title: Process and apparatus for the manufacture of pulp for paper, board, fiberboard and similar products
Inventor: FONGEN SIGURD
IPC: D21C5/02
Filed: 1990-12-11
Abstract: A B S T R A C T           Process for producing pulp suitable as raw material  for paper, board or fiberboards and the like.  A pumpable alkaline slurry of fibrous  raw material  is  conducted  through  a  pressurized  tube system by the use of pulp pumps, the pressure increasing in steps from the beginning of the process to the end of the process.  On its way the slurry is repeatedly dewatered and rediluted with process liquid.  An apparatus suitable for being used in carrying out the process comprises a dewatering tube and a dewatering and venting tube arranged centrally and axially within the tube which may be provided with  a  perforated  part.   The tube  is  provided with  perforations through which gas and liquid from fiber-containing slurry introduced into the outer tube can escape.  At the opposite end from the inlet end  of  the  outer  tube  there  is  an  outlet  for  thickened fiber-containing slurry.
Patent CA-2034548-A1 (CA)
Title: Capacitive liquid interface sensor
Inventor: DAVIS JAMES E
IPC: G01N1/00
Filed: 1991-01-18
Abstract: TITLE CAPACITIVE LIQUID INTERFACE SENSOR             ABSTRACT A capacitive sensor is described having an element which traverses the outside of a container of liquid to ascertain the vertical locations of liquid interfaces in the container.  The sensor uses an oscillator whose amplitude or phase is a function of the capscitance of the element.
Patent CA-2034564-A1 (CA)
Title: Recombinant plasmid
Inventor: BODEMER WALTER
IPC: C12Q1/68
Filed: 1991-01-18
Abstract: Abstract The invention relates to a recombinant plasmid contain-ing at least one replicon  (ori1), at least one  selec-tion marker (sm1), at least one promoter (pr1) and  DNA sequences from a pox virus genome  flanking this  pro-moter, a multi-functional  DNA sequence cassette  being arranged downstream of this promoter (pr1). This multi-functional DNA  sequence  cassette  contains  sequences which  are  complementary  to  commercially   available primer sequences which proved their worth in  practice, a translation initiation codon and several  restriction endonuclese cleavage sites and stop codons in all three frames following this translation initiation codon.            The recombinant plasmid according  to the invention  is excellently  suited  for  the  expression  of   foreign proteins in the  cytoplasma of  eukaryontic host  cells after insertion into a pox virus genome.
Patent CA-2037474-A1 (CA)
Inventor: PRADER RANDOLPH D
IPC: B31B19/74
Filed: 1991-03-04
Abstract: EASY-OPEN BAG PACK, METHOD OF FORMING AND SYSTEM                        ABSTRACT A system for suspending a pack of thermoplastic bags, loading bags, removing loaded bags and for automatically opening the next bag preparatory to loading it by having a pack of handled bags suspended from laterally spaced elongated rods of a rack.  The bags have been corona discharge treated in the handle and bag mouth region to such an extent that the pressure and cutting action during the formation thereof will cause adjacently facing cut edge regions to releasably adhere together until a moderate force separates them.  During removal of a bag from the bag pack at least a portion of the cut edge of the mouth and handle region of the front wall of the next bag will follow the bag being removed for a short distance before separation thereby opening said next bag rendering it ready for loading.
Patent CA-2041574-A1 (CA)
Title: Improved polypropylene process
Inventor: WILPERS DALE J
IPC: B29C47/00
Filed: 1991-05-01
Abstract: The present invention relates to a process for increasing polymer output in polypropylene processing comprising adding polybutylene to the polypropylene prior to processing.
Patent CA-2044241-A1 (CA)
Title: Electrically heatable nozzle for an injection moulding machine, a hot runner system, or the like
Inventor: MUELLER WALTER
IPC: B29C45/20
Filed: 1990-08-30
Abstract: The aim of the invention is to design an electrically heated nozzle so that impurities in the nozzle due to foreign particles are removed from the melt and can be extracted from the nozzle in a cleaning stage. To this end, the nozzle has an annular sieve which is inserted in the interior of the nozzle and divides it into an annular outer chamber (14) and an inner chamber (15), and a switching device which can be moved into, and stopped in, two end positions, one of which is provided for the injection mode and the other for the cleaning mode. In one end position, the melt is introduced into the outer chamber (14) and flows through the annular sieve from the outside to the inside. In the other end position, the melt is introduced into the inner chamber (15) and flows through the annular sieve (12) from the inside to the outside. During cleaning of the nozzle, the impurities which have collected in the inner chamber are extracted from the nozzle in the melt. The nozzle can be used as a machine nozzle in injection moulding machines or in hot runner moulds.
Patent CA-2044251-A1 (CA)
Title: Can body making apparatus
Inventor: GRIMS CONRAD M
IPC: B21D24/00
Filed: 1990-02-26
Abstract: A redraw apparatus (16) is provided for a can body making apparatus wherein the redraw carriage (40) of the redraw apparatus (16) is mounted for substantially friction-free sliding reciprocating movement over a pair of spaced apart support posts (70, 72) which are fixedly mounted on the housing (18) holding the can forming and ironing dies.  Also, a counterbalancing system (110) is provided for applying a force to counterbalance the weight of a portion of structures used to reciprocate the redraw carriage (40). Additionally, a ram assembly (150) is provided for supporting a ram (262) for movement through the redraw apparatus (16) and the can forming and ironing dies wherein a pair of spaced apart elongated shafts (154, 156) are fixedly mounted and a ram carriage (170) having the ram (262) attached thereto is provided with liquid bearings (180, 182) using liquid coolant comprising water having solubles contained therein for mounting the ram carriage (170) on the elongated shafts (154, 156)  for substantially friction fee movement thereover.  A guide liquid bearing (272) is also used to ensure proper alignment of the ram (262).  Also disclosed is a reciprocating ram (1014) which is supported solely by a liquid bearing (1030) wherein the liquid bearing (1030) using liquid coolant comprising water having solubles contained therein has a sufficient length to ensure the proper alignment of the leading portion (1020) of the elongated ram (1014) as it engages a can blank in a redraw assembly (1010) and moves it through the forming and ironing dies to form an elongated can body.
Patent CA-2046158-A1 (CA)
Inventor: SATO MASAEI
IPC: H01Q1/12
Filed: 1991-07-03
Abstract: The first aspect of a structure for mounting a telescopic antenna for a automobile comprises particularly: a nut surrounding the top end portion of a spacer pipe and engaging with a threaded portion cut on the outside of the top end portion of a base pipe; a flange and a collar provided on a conducting pipe and the spacer pipe respectively and clamped between a contact portion provided on the nut and the top rim of the base pipe; and a flat ring positioned between the flange and the collar. The second aspect of a structure for mounting a telescopic antenna for an automobile comprises particulary; resilient Protrusions defined on the spacer pipe; holes defined on the conducting pipe, for engaging with the resilient protrusions when the spacer pipe is inserted in the conducting pipe so that the spacer pipe can be kept in position, and a portion around the resilient protrusions having an inside diameter greater than that of the other portion of the spacer pipe. Both aspects help secure the easy sliding of the antenna rods.