baber/WOPTO huggingface dataset:
Patent CA-1284151-C (CA)
Title: Photographic system
Inventor: DOLPHIN JOHN M
IPC: G03C7/392
Filed: 1986-05-13
Granted: 1991-05-14
Abstract: ABSTRACT OF THE DISCLOSURE           There is described a photographic system wherein development of an exposed photosensitive element with an aqueous alkaline photographic developing composition is effected in the presence of a compound which releases a quaternary in alkaline environment. Photographic products and processes utlizing such compounds are also disclosed.
Patent CA-1283098-C (CA)
Title: Depolymerized hexosaminoglucan sulfates endowed with an antithrombotic, fibrinolytic, antiinflammatory activity, their process of preparation and related pharmaceutical compositions
Inventor: MASCELLANI GIUSEPPE
IPC: C08B37/00
Filed: 1986-05-16
Granted: 1991-04-16
Abstract: DEPOLYMERIZED HEXOSAMINOGLUCAN  SULFATES ENDOWED WITH AN    ANTITHROMBOTIC,  FIBRINOLYTIC,  ANTIINFLAMMATORY ACTIVITY, THEIR PROCESS  OF  PREPARATION  AND RELATED PHARMACEUTICAL          COMPOSITIONS     Abstract:        The present invention concerns a process  for the preparation of oligosaccharides by a controlled chemical depolymerization of natural polysaccharides, such as hepa-rins, heparan sulfates, dermatan sulfates, chondroitinsul-fates,  hyaluronic acid,  by a radicalic reaction in an aqueous solution, at a temperature ranging between 20° and 70°C,  in the presence of a catalyst selected in the group consisting of Cu++,  Fe++,  Cr+++,  Cr2O7-- as well as the resulting oligosaccharides and their related pharmaceuti-cal compositions.
Patent CA-1285109-C (CA)
Title: Hand brush with a reservoir for cleaning liquid
Inventor: ROTHWEILER EMIL
IPC: A46B11/04
Filed: 1986-08-01
Granted: 1991-06-25
Abstract: ABSTRACT OF THE DISCLOSURE         A hand brush has a handle portion including a reservoir for a cleaning liquid.  A liquid outlet channel is formed in the bristle bed of the brush and is closable by a spring loaded closing element, having a projection that extends through the liquid outlet channel into the area of the bristles to a shorter length than the length of the bristles both when the bristles are in their resting position and when normal working pressure is applied to them.  It is only when increased pressure is applied to the hand brush that the projection comes into contact with the surface that is to be cleaned, which opens the liquid outlet channel by raising the closing element.
Patent CA-1327045-C (CA)
Title: Azetidinone derivative and process for preparing the same
Inventor: SHIBASAKI MASAKATSU
IPC: C07F7/18
Filed: 1986-10-23
Granted: 1994-02-15
Abstract: Abstract of the Disclosure An azetidinone derivative having the general formula (I):                                          (I) wherein R1 and R2 are hydrogen atom or a protective group and R3 is an alkyl group or hydrogen atom, a process for preparing the same, and a process for preparing an azetidinone derivative having the general formula (II):                 (II) wherein R1, R2 and R3 are as above.  The azetidinone derivative (I) of the present invention can be converted into an important intermediate of 1.beta.-methylcarbapenem antibiotics by a selective reduction of the double bond.
Patent CA-1308115-C (CA)
Title: Fluorine-containing organosilanes useful as magnetic media lubricants
Inventor: BLATCH PAMELA E
IPC: C07F7/18
Filed: 1986-11-06
Granted: 1992-09-29
Abstract: FLUORINE-CONTAINING ORGANOSILANES USEFUL       AS MAGNETIC MEDIA LUBRICANTS                         ABSTRACT     The invention relates to new organosilanes represented by the following general formula:          ?3-m-p (R'COO)p?Si[(OCH2CHR'')yOR''']m CH2(CH2)q(CF2)nCF3 wherein R denotes a methyl, ethyl, propyl, or phenyl radical; R' denotes a monovalent hydrocarbon group having from 7 to 21 carbon atoms; R'' denotes hydrogen or a methyl radical; R''' is selected from the class consisting of monovalent hydro-carbon groups having from 8 to 22 carbon atoms and acyl groups having from 8 to 22 carbon atoms; p has the value of 0, 1 or 2; m has the value of 1, 2, or 3; m + p has the value of 2 or 3; y has an average value from 1 to 20; n is a positive integer from 1 to 7; and q is a positive integer from 1 to 5. The use of the organosilanes as lubricants for magnetic recording media is described.
Patent CA-1280409-C (CA)
Title: Method of producing cephem compounds
Inventor: NAITO KENZO
IPC: C07D501/04
Filed: 1987-01-22
Granted: 1991-02-19
Abstract: Abstract Method of Producing Cephem Compounds A method of producing 3-alkanoyloxymethyl-3-cephem-4-carboxylic acids, which are useful as antibiotics or as intermediates in the synthesis of antibiotics, by reacting a 3-hydroxymethyl-3-cephem-4-carboxylic acid with a saturated fatty acid anhydride in an aqueous medium in the presence of an acid-acceptor base and a 4-(tertiary amino)-pyridine.
Patent CA-1297173-C (CA)
Title: Low voltage distribution system with two-conductor track
Inventor: HALL STEPHEN
IPC: H01R25/14
Filed: 1987-04-10
Granted: 1992-03-10
Abstract: Abstract A low voltage distribution system comprises a two-conductor track of which one conductor is an outer conductor formed by its casing and the other conductor is an inner copper strip held by insulation.   An adaptor can be fitted anywhere along the track and interlocked by closing pivoted members so that portions displace resilient arms outwardly to interlock lips of the adaptor with lips of the track.   A fully rotatable contact assembly includes a centre contact inside a sleeve contact as well as a lamp bracket which rotates as one with the contact assembly so that wires to the lamp never get twisted.   For ease of mounting, a fixing device comprises a rotatable member which can be mounted to a support by a centre screw and having a slot or opening to receive a connecting piece which is slidably connected to the back of the track casing by undercut tongue and groove.
Patent CA-1284336-C (CA)
Title: Amido substituted naphthalenes and intermediates thereof
Inventor: MURRAY WILLIAM V
IPC: C07C239/00
Filed: 1987-05-20
Granted: 1991-05-21
Abstract: ABSTRACT           Amido substituted naphthalene compounds of the formula:          where:        R1 may be C1-12 alkyl, C3-12 branched-chain alkyl, C2-6 alkenyl, C3-6 alkynyl, or an aralkyl wherein the alkyl group is C1-3  unsubstituted or substituted with C1 2 alkyl or hydroxyalkyl, wherein the alkyl group is C1-6;        R2 may be H, C1-10 alkyl, C3-10 branched-chain alkyl, C5-7 cycloalkyl, phenyl or phenyl substituted by C1-3 alkyl or C1-3 alkoxy;         R3 may be H or C1-3 alkyl; and (CH2)n may be a straight- or branched-alkyl chain of 0-5 carbons.  Intermediates of the compound of formula I having the formula:                             I I   where R1 and (CH2)n are as defined above.  R1 may also be H and R4 may be H or C1-3 alkyl with the proviso that when (CH2)n is an alkyl chain of 0-2 carbons, R1 is not C1-2 alkyl.  The compounds of formula I or II are useful as anti-inflammatory agents.  The compounds inhibit the cyclooxygenase pathway and may additionally inhibit the lipoxygenase pathway.  In particular the amido substituted naphthalenes are pharmacologically active in alleviating inflammation, asthma, hyper-sensitivity, myocardial ischemia, dermatological conditions such as psoriasis, and dermatitis and gastrointestinal inflammatory conditions such as inflammatory bowel syndromes.  Processes of preparing these compounds, compositions containing same and medical treatments using them are also disclosed.
Patent CA-1282338-C (CA)
Inventor: KITAHARA TAKASHI
IPC: A61K36/00
Filed: 1987-06-18
Granted: 1991-04-02
Abstract: ABSTRACT OF THE DISCLOSURE      Disclosed is a 5.alpha.-reductase inhibitor comprising as an effective component an extract from leaves and/or pericarps of a walnut. The inhibitor exhibits highly potent 5.alpha.-reductase inhibiting activity and high safety, and is thus effective in curing and preventing diseases caused by testosterone, e.g. male-pattern alopecia, hirsutism, prostate cancer and the like.
Patent CA-1325015-C (CA)
Inventor: BEXTEN LUDGER
IPC: B01J31/40
Filed: 1987-07-27
Granted: 1993-12-07
Abstract: ABSTRACT OF THE DISCLOSURE              A process for the recovery of rhodium from aqueous solutions of rhodium complex compounds comprising adding a molar excess of a water-soluble salt of an organic carboxylic acid of 7 to 22 carbons to an aqueous solution of a rhodium complex compound, treating the solution with an oxidant at 50 to 200°C and recovering the rhodium as a water-insoluble compound.
Patent CA-1282263-C (CA)
Inventor: DISSETT WALTER L
IPC: F16H48/285
Filed: 1987-08-05
Granted: 1991-04-02
Abstract: IMPROVED DIFFERENTIAL WITH EQUAL DEPTH             PINION CAVITIES            ABSTRACT OF THE DISCLOSURE    A  torque-proportioning  differential  of  the helical pinion type includes a housing having a body section to one end of which is removably connected a cover  section,  the  one  body  section  end  being machined to define a central longitudinal bore and a plurality  of  circumferentially  spaced  pairs  of longitudinal   pinion   cavities   in   longitudinal communication with each other and with the central bore, respectively.  The pinion cavities of each pair  are  of  equal  depth,  thereby  to  receive corresponding longitudinally offset helical pinions, respectively, each provided with a hub extension that extends longitudinally of the associated pinion bore for engagement with a corresponding end thrust surface on the housing body section or the housing cover section respectively.
Patent CA-1277223-C (CA)
Title: Method and apparatus for making compact packages for spreadable products
Inventor: REDMOND SANFORD
IPC: B65B11/50
Filed: 1987-08-27
Granted: 1990-12-04
Abstract: ABSTRACT          Method and apparatus for making compact packages for spreadable products wherein base cards are cut from a supply of relatively stiff material, scored, bent into the shape of a channel, reopened, and a portion of spreadable product is thereafter deposited onto each pre-bent base card.  Top sheet material is drawn from a supply of relatively flexible material, scored parallel to each edge, folded and compressed to form a crease at the fold line, and then reopened to a relatively flat position.  The creased top sheet material is cut into individual creased sheets which are deposited and rolled into adhering contact with the top surface of the spreadable product while simultaneously bending and pressing the channel sides into adhering contact with the sides of the product.  The sides of the bottom card are then raised and both the top and bottom channel sides are pressed into overlapping abutting contact with each other and with the sides of the spreadable product encased therebetween.
Patent CA-1289078-C (CA)
Title: Pharmaceutical composition for the treatment of parkinson's disease
Inventor: BACKSTROM REIJO
IPC: A61K31/047
Filed: 1987-11-27
Granted: 1991-09-17
Abstract: ABSTRACT OF THE DISCLOSURE          Disclosed and claimed is a new pharmaceutical composition for use in the treatment of Parkinson's disease, which composition comprises levodopa and optionally a peripheric decarboxylase inhibitor such as carbidopa or benzerazide, in admixture with at least one catechol derivatives of formula (I):                                           (I) or a salt thereof, wherein R1 and R2 independently represent hydrogen,  optionally substituted acyl or aroyl,  lower alkylcarbamoyl, X represents an electronegative substituent such as halogen, nitro, cyano, aldehyde, or trifluoromethyl and R3 represents alkyl substituted by lower alkoxy lower alkoxy, carboxy lower alkyl, thio or pyrrole group, or a group selected from:          (A)                or            wherein R4 represents cyano or acyl and R5 represents cyano, alkoxycarbonyl,  carboxyalkenyl,  nitro,  acyl,  hydroxyalkyl, carboxyalkyl or one of the following optionally substituted groups:  carbamoyl, aroyl or heteroaroyl, or R4 and R5 form together a five to seven membered,  optionally substituted cycloalkanone ring; (B)       (CH2)m-COR wherein  m  is  2-7  and R  represents  hydroxy,  alkyl, represents a hydroxyl group, an amino group, an oxo  atom, an optionally substituted saturated or partiaily   unsaturated  lower  hydrocarbon  group being  attached  through an imino group or a lower alkylimino group to the rest of the molecule, or a saturated  nitrogen  containing heterocyclic group being attached through a nitrogen atom in the ring to  the  rest of the molecule; Z represents a -CO-or =C=N-(Z)p-R4 group; Z represents an oxygen atom or  an  imino group; the value of p is 0 or 1; and R4  represents  a  hydrogen  atom or an optionally substituted  saturated or  partially  unsaturated lower  hydrocarbon group being optionally attached through  a  carbonyl  group  to  the  rest  of he molecule.
Patent CA-1278866-C (CA)
Title: Computerized academic quiz controller system
Inventor: CURT WALTER M
IPC: G09B5/00
Filed: 1987-12-11
Granted: 1991-01-08
Abstract: ABSTRACT OF THE DISCLOSURE    An academic quizz controler system incudes first and second pluralities of identical and interchangeable response stations (11, 12, 13, 14 and 21, 22, 23, 24) each provided with a switch (17) and an indicator light (16) activated by the switch when pressed by a contestant.  The first and second pluralities of response stations are serially connected by means of three pair telephone wire (10 and 20) and modular telephone jacks to form first and second strings of response stations. A microprocessor-controlled master console (30) has a plurality of indicators (33 and 34), one for each response station, a start switch (36) and a mode switch (37).  The first and second strings of response stations are connected to the master console by means of three pair telephone wire (15 and 25) and modular telephone jacks as is a judge's switch pad (40) which is used for inputting an indication as to whether an answer is right or wrong.  The master console has a plurality of modes of operation including a learn mode which recognizes the configuration of the system, a practice mode, a directed question mode and a toss-up question mode.
Patent CA-1285206-C (CA)
Title: Radiant gas burner assembly
Inventor: SIMPSON THOMAS W
IPC: F24C3/00
Filed: 1987-12-15
Granted: 1991-06-25
Abstract: ABSTRACT         A gas fired radiant griddle assembly employing a series of perforated ceramic tiles to define a burner surface positioned beneath the griddle.  The center area of the assembled ceramic tiles is blocked off so as to define  an  annular burner  surface  to minimize  the temperature gradient across the griddle surface and the hot combustion effluents are drawn by convection beneath the griddle surface and out the rear corners of the combustion chamber beneath the griddle to heat the peripheral and corner portions of the griddle  and further minimize the temperature gradient across the expanse of the griddle.
Patent CA-1297294-C (CA)
Title: Method of multiplicating bulbous plants
Inventor: YAMAGATA HIKARU
IPC: A01G1/00
Filed: 1987-12-17
Granted: 1992-03-17
Abstract: ABSTRACT OF THE DISCLOSURE     In a method of multiplicating bulbous plants in which seedlings of the bulbous plants are multiplicated by applying tissue culture to the tissue pieces or cultured cells of bulbous plants using a liquid culture medium, the osmotic pressure Or the culture solution is maintained from 2 to 8 atm substantially over the entire period of the tissue culture. The shape of the bublets and bulbs is excellent, growing is stable and many seedling Or high quality can be obtained at good efficiency as compared with the conventional method.
Patent CA-1329862-C (CA)
Inventor: KRANTZ ALEXANDER
IPC: C07C239/00
Filed: 1987-12-21
Granted: 1994-05-24
Abstract: ABSTRACT OF THE DISCLOSURE Thiol protease inhibitors are disclosed having the formula:                   (I) or an optical isomer thereof, or a pharmaceutically acceptable salt thereof, wherein:      n is 0 or 1; m is 0, 1 or 2; X is H or an N-protecting group; each Y is independently an optionally protected .alpha.-amino acid residue;      R is an optionally protected .alpha.-amino acid side chain that is H or CH3 of that is bonded to the .alpha.-carbon atom to which it is attached by a methylene, methine or phenyl radical; and R' is optionally substituted aryl.
Patent CA-1301789-C (CA)
Title: System for feeding flat sheets
Inventor: MARTIN GUY
IPC: B65H3/12
Filed: 1987-12-23
Granted: 1992-05-26
Abstract: SYSTEM FOR FEEDING FLAT SHEETS     Abstract of the Disclosure A  movable  grill is mounted in a frame in such a  way that  the  grill is capable of being moved  a  certain distance above a feed table towards an ejection  point and  a suction device is mounted above the section  of the  grill which moves towards the ejection point.  An air-tight  rear  sealing skirt is suspended  from  the frame  to  enclose the space found between the  afore-mentioned  section of the grill and the top of a  pile of sheets on the feed table;  and a forward  air-tight sealing  skirt  is suspended from the  aforementioned section  of  the grill above the ejection  point  such that  the  vacuum created by the section means  causes eddies  of air around the edges of the pile of  sheets in such a way that the top sheet of the pile of sheets is caused to vibrate and is drawn up to the section of the  grill in order that the top sheet is  moved  with the grill towards the ejection point.
Patent CA-1296806-C (CA)
Title: Computer resource configuration method and apparatus
Inventor: NORMAN GEORGE
IPC: G06F12/06
Filed: 1988-04-15
Granted: 1992-03-03
Abstract: ABSTRACT OF THE DISCLOSURE      A method for automatically determining the configuration of resources on a computer system at the time the computer system is started.  The method involves placing a configuration read-only-memory (ROM) on each add-on card placed in the computer system.  The configuration ROM contains information such as the card type and identification number, byte lanes used, location of device drivers, the device driver code, etc.  The configuration ROM has a format header which is at one of a set of determinable addresses in the computer systems address space.          The configuration header contains a field with the offset to a resource directory.  The resource directory, in turn, contains a set of entries of resource lists and offsets to those resource lists.  Each resource list contains a resource type and other information as required to configure the computer system.  A process for reading the format header, resource directory, and resource lists is described.
Patent CA-1305313-C (CA)
Inventor: SASSA YUSEI
IPC: A44B19/42
Filed: 1988-07-21
Granted: 1992-07-21
Abstract: ABSTRACT OF THE DISCLOSURE        An elongate continuous slide fastener chain is fed in alternately opposite longitudinal directions in various steps (a) through (e).  First, reinforcing film members are attached to the chain across an element-free space, and then a hole is defined in the chain across the element-free space.  Thereafter, an insertable pin, a box pin, and a box are attached to the chain through the hole, and then a slider is mounted on a pair of rows of coupling elements through the element-free space.  Finally, top end stops is fixed to beaded edges of the chain, which is then cut off transversely thereacross into a separable slide fastener.
Patent CA-1325140-C (CA)
Title: Mobile incinerator system for low level radioactive solid waste
Inventor: AUGE ANTONIO ROVIRA
IPC: G21F9/32
Filed: 1988-09-14
Granted: 1993-12-14
Abstract: MOBILE INCINERATING SYSTEM FOR LOW    LEVEL RADIOACTIVE SOLID WASTES            Abstract A mobile incinerating system for low level radio-active solid wastes, consisting of an installation mounted on a mobile platform and consisting of a rotating combustion chamber into which the wastes to be incinerated are to be inserted from a feeder equipped with a loader.  The rotating chamber communicates with a post-combustion chamber.  Between these two chambers there is a third gas transit chamber from which the ashes produced drop into a lower collector after having passed a tray fitted with two alternately operating gates.  Downstream of the chambers there is a first dilutor followed by a heat exchanger associated with fans. Immediately downstream of the heat exchanger is a decanter followed by a second dilutor from which the gas mixture passes through filters.  The level of activity of the gases is controlled by means of a monitor located downstream of the filter.
Patent CA-1294202-C (CA)
Inventor: BRACKETT TOM S
IPC: F15C5/00
Filed: 1988-10-06
Granted: 1992-01-14
Abstract: METHOD OF BONDING PLASTICS            Abstract of the Disclosure A method of producing a fluidic module from two or more pieces of plastic material having an inter-molecular bonded interface, comprises forming an interface surface on each piece, forming at least one fluidic passageway in at least one of the interface surfaces, assembling the pieces with the interface surfaces in contact with each other and confining them against expansion.  Heat is applied to the assembled pieces to induce their expansion against their confinement to cause transmigration of molecules from one interface surface to the other to bond the pieces together.
Patent CA-1310678-C (CA)
Title: Restrained joint with gripper gland
Inventor: JONES LAWRENCE S
IPC: F16L25/00
Filed: 1988-10-13
Granted: 1992-11-24
Abstract: IMPROVED RESTRAINED JOINT WITH GRIPPER GLANT                Abstract of the Disclosure This invention pertains to bolted mechanical pipe joints using toothed gripper rings to prevent separation of the pipe.
Patent CA-1304395-C (CA)
Title: Process for the co-production of aromatic carboxylates and alkyl iodides
Inventor: STEINMETZ GUY R
IPC: C07C69/76
Filed: 1988-10-13
Granted: 1992-06-30
Abstract: PROCESS FOR THE CO-PRODUCTION OF AROMATIC      CARBOXYLATES AND ALKYL IODIDES                           Abstract Disclosed is a process for the co-production of aromatic carboxylic esters and alkyl iodides by the carbonylation of aromatic iodides in the presence of an ether and a palladium catalyst.
Patent CA-1299046-C (CA)
Inventor: HEMKER HEINRICH
IPC: A01D41/00
Filed: 1988-10-21
Granted: 1992-04-21
Abstract: COMBINE HARVESTER                             ABSTRACT            The invention relates to a combine harvester having a threshing mechanism which operates in the tangential flow mode and consists of a threshing drum and threshing concave, together with straw walkers, a return floor and sieve means. In order to permit an increase in the speed of forward travel and machine capacity in a harvesting operation without an increase in the grain losses, it is proposed that arranged downstream of the straw walkers is a per se known separating apparatus which operates in the axial flow mode and which comprises a rotor and a separator housing.
Patent CA-1314646-C (CA)
Title: Flame retardant for wood and flame resistant wood
Inventor: KOBAYASHI NOBUO
IPC: C09K21/14
Filed: 1988-10-26
Granted: 1993-03-16
Abstract: ABSTRACT OF THE DISCLOSuRE There are disclosed a flame retardant for treatment of wood and a wood product coated with the flame retardant, which comprises (A) 3-(dialkylphosphono)-. propionamides represented by the following general formula:                     (in which R1 and R2 each represents an alkyl group containing 1 to 3 carbon atoms; and R3 represents a hydrogen atom, a methyl group or a methylol group) and/or methylolated dexivatives thereof, (B) at least one resin selected from the gorup consisting of water-soluble or water-dispersible resins, melamine resins and copoly-condensated urea-melamine resins; and (C) ammonium polyphosphates microcapsulated by melamine and/or epoxy resins.