baber/WOPTO huggingface dataset:
Patent CA-2004038-A1 (CA)
Inventor: IJITSU TAKANORI
IPC: A61K9/20
Filed: 1989-11-28
Abstract: A sustained release composition containing a chemical substance in a matrix. The matrix substantially comprises a hemicellulose extracted from wheat bran under alkaline conditions or a wheat bran extract containing the hemicellulose. The chemical substance is released at a controlled rate from the composition over a long period of time.
Patent CA-2005001-A1 (CA)
Inventor: KEE PETER M Y
IPC: F16B12/40
Filed: 1989-12-08
Abstract: CERAMIC FITTING FOR TUBULAR   FURNITURE CONSTRUCTION               Abstract of the Disclosure An ornamental ceramic fitting is mounted between two spaced, confronting, axially aligned tubular mem-bers.  The distance between the confronting ends of the tubular members is less than the corresponding axial length of the ceramic fitting.  The ceramic fitting includes a threaded rod extending therethrough along the axis thereof and a well in each end of the fitting surrounding the threaded rod.  The depth of the well in one end exceeds the difference between the axial length of the fitting and the corresponding axial distance between the confronting ends of the tubular members. The fitting is first placed on the end of one of the spaced tubular members and twisted to a position past the normal seated position.  This allows proper align-ment of the end of the other tubular member, whereupon the fitting is twisted in the opposite direction to properly complete the mounting operation.
Patent CA-2006905-A1 (CA)
Title: Bisindenyl derivative, and a process for the preparation thereof
Inventor: ROHRMANN JURGEN
IPC: C08F10/00
Filed: 1989-12-29
Abstract: Abstract of the disclosure:            Bisindenyl derivate, and a process for the preparation thereof.            A bisindenyl derivate of the formula I                             (I) (M1 = Si or Ge, R6 and R7 = unsubstituted or substituted indenyl radical) is obtained in very good yield by reacting a compound of the formula II                             (II) (X = halogen) with a compound of the formula III or IV       R6 - M2    (III)  R7-M2     (IV) (M2 = alkali metal) if, in the reaction, compound III or IV is added slowly to compound II.            Compound I is suitable as a starting material for the preparation of metallocene catalyst components.
Patent CA-2007906-A1 (CA)
Title: Process and intermediates for isopropyl 3s-amino-2r-hydroxy-alkanoates
Inventor: DUGGER ROBERT W
IPC: C07C235/78
Filed: 1990-01-17
Abstract: PATENT     Abstract Process and intermediates for isopropyl 3S-amino-4-cyclohexyl-2R-hydroxybutyrate and 3S-amino-2R-hydroxy-5-methylhexanoate from R-malic acid. These products are of known utility in the synthesis of certain renin inhibitors.
Patent CA-2013305-A1 (CA)
Title: Process for preparing polyketones
Inventor: SMITH KEVIN G
IPC: C08F8/00
Filed: 1990-03-28
Abstract: Case 7178(2) ABSTRACT OF THE DISCLOSURE                PROCESS FOR PREPARING POLYKETONES      An improved process for preparing linear interpolymers of olefin(s) (eg ethylene) and carbon monoxide (Polyketones) is provided.  The process comprises polymerising the olefin(s) with carbon monoxide in the presence of a palladuim catalyst derived from a palladuim source, a bidentate amine, phosphine, arsine or stibine of formula (R1)2M -R2 -M(R1)2 where the M atoms are selected from N, P, As or Sb, the R1 groups are eg C1 to C4 alkyl or phenyl and R2 is eg -(CH2)-a where a - 2 to 10, and a anion prepared by reacting in a 2:1 molar ratio and substituted salicylic acid and boric acid.  The salicylic acid is preferably 4- or 5- substituted with methyl, C1 or Br.  Using this particular palladuim catalyst leads to high polymer yields than eg when unsubstituted salicylic acid is employed.
Patent CA-2016300-A1 (CA)
Title: Prostaglandin i analogue
Inventor: UENO RYUZO
IPC: C07C405/00
Filed: 1990-05-08
Abstract: The present invention relates to new prostaglandin I analogous compounds represented by the following formula (I) and (II). (see formula I) (see formula II) wherein R1 is a hydrogen atom or alkyl group, at least one of R2 and/or R2' is a halogen atom, an alkyl group, a group containing an aromatic group, a hydroxyl group or an alkoxy group provided that R2 and R2' are not simultaneously hydrogen atoms or a salt thereof. The compounds of the present invention are suitable for use as hypotensives.
Patent CA-2019758-A1 (CA)
Title: Improved electroporation device and method
Inventor: FIRTH KEVIN L
IPC: C12N13/00
Filed: 1990-06-25
Abstract: An electroporation apparatus provides for the electroporation of cells attached to an electrode. The electrode may be transparent to allow cell viewing. If the electrode exhibits a voltage drop a constant electrical field may be obtained over the cell layer by controlling the position or character of the opposed electrode. Alternately, cells may be electroporated under an electrical field which varies in a continuous, geometrically uniform manner over the cell layer.
Patent CA-2022521-A1 (CA)
Title: Apparatus for dispensing bait
Inventor: KOLSKOG ALBERT
IPC: A01M25/00
Filed: 1990-08-02
Abstract: ABSTRACT OF THE DISCLOSURE     APPARATUS FOR DISPENSING BAIT             A bait dispensing apparaus comprises a flat tray which has upstanding side edges for confining the bait on the upper surface of the tray.  The sleeve is attached to the upper surface of the tray and within the sleeve is mounted a tubular container which can rotate relative to the sleeve to provide an alignment  of openings  in the sleeve  and  in  the base of the tubular  container  to allow particulate bait material to flow out from  the  tubular  container  onto  the  tray.   A  cap  is provided  at  the upper  end of  the tubular container.   In a second embodiment a cover is attached to the tubular container and surrounds the tray but provides openings to allow access to the interior of the cover by the animals.
Patent CA-2023314-A1 (CA)
Title: Livestock feeder with traveling hopper
Inventor: BRUECKER GERALD J
IPC: A01K5/02
Filed: 1990-08-15
Abstract: Abstract of the Disclosure A livestock feeding apparatus (10) provides continuous flow of feed (F) to an elongated bunk (B) utilizing a traveling hopper (16) supported for movement along rails (14, 15) on an elongated frame (11, 12) over the bunk.  The hopper (16) includes a gate (25) extending substantially along the full length of the bottom opening of the hopper (16) for bulk dumping of the feed (F) when the hopper is over one of the two dumping stations adjacent the two ends.  The gate (25) is actuated during opening and closing so as to travel along a sliding path to assure efficient delivery of the feed (F) with a clean cut-off.          Preferably, the gate (25) moves at an acute angle to the longitudinal axis of the hopper (16) and along an arc defined by pivotal support links (27, 27a).  Cam wheels (29, 29a) adjacent the ends of the hopper (16) engage ramps (36, 37) for opening and closing the gate (25) as the gate moves along an arcuate path defined by the parallelogram linkage.  In the preferred embodiment, the wheels (29, 29a) drop off the top of the ramps (36, 37) providing sudden release for rapid and secure closing of the gate (25).  A 20° angle for the sliding path of movement of the gate (25) is preferred and a wiper (40) cleans the gate during opening and closing.  The feed conveyor (C), the driving motor (M) and sprocket (27) and the actuating ramps (36, 37) are all centrally located at the mid-point of the apparatus.
Patent CA-2026186-A1 (CA)
Title: Process for making an acrylamide containing a dialkyl acetal group
Inventor: NORDQUIST ANDREW F
IPC: C07C233/20
Filed: 1990-09-25
Abstract: PATENT 182PUS04072 ABSTRACT A process is provided for making an N-substituted acrylamide dialkyl acetal, such as acrylamidobutyraldehyde dimethylacetal (ABDA), by blocking the double bond in an acrylic acid ester with a nucleophile, such as methanol, removing excess nucleophile from the blocked ester, aminating the blocked ester with an amino dialkyl acetal in the presence of an aminolysis catalyst but in the absence of any protic solvent, and deblocking the double bond in the product by pyrolysis.
Patent CA-2027317-A1 (CA)
Title: Vaccine composition with non-immunosuppressive t-cell epitope component
Inventor: ETLINGER HOWARD
IPC: C07K1/113
Filed: 1990-10-11
Abstract: Abstract The present invention provides novel compositions which are useful as antigens in vaccines for eliciting a strong protective immune response against a pathogenic agent in a host. The said compositions comprise a compound representing a B cell epitope which is an antigen from a pathogenic agent or an antigenic sub-part thereof and a compound representing a T helper cell epitope which is a sub-part of an antigen from a pathogenic agent characterized in that the compound representing the T helper cell epitope contains information for carrier function but not for epitope suppressive function. The invention also relates to processes for the preparation of the said compositions, to vaccines comprising the same and to the use of these compositions and vaccines for providing protective immunity against a pathogenic agent. Furthermore the present invention relates to methods for eliciting a protective immune response against a pathogenic agent in a host and to methods for determining whether a compound representing the T helper cell epitope contains information for carrier function but not for epitope suppressive function.
Patent CA-2027971-A1 (CA)
Title: Collection vehicle, apparatus for use in the vehicle and method of collecting material
Inventor: GREEN PETER
IPC: B65F3/08
Filed: 1990-10-18
Abstract: A refuse collection vehicle has a pair of hoists which can be operated together to lift a larger container by means of both hoists and which can also be operated separately for the lifting of a smaller container by either hoist. The hydraulic circuit includes a respective control valve for each hoist. In order to operate the hoists together, the control valves are operated together. Respective inlets on the control valves are inter-connected by a duct which includes a flow-restrictor to permit the flow to one valve to be supplemented, at a relatively low rate, from the flow to the other valve.
Patent CA-2032318-A1 (CA)
Inventor: RUTHERFORD WILLIAM
IPC: B07B1/48
Filed: 1990-12-14
Abstract: The invention relates to ore screening machines having longitudinal bucker bars 17 spaced transversely across a screen box with transverse rails 1 spaced longitudinally along the screen box and supported on bucker bars.  The transverse rails have a tension member 5 embedded therein which is connected to a C-shaped connecting member 6 at each end thereof.  The C-shaped connecting members connect with hook members 7 which in turn connect with a clamp 9 which is secured to each side wall 14 of the screen box to apply tension to tension member 5.  The bucker bars and transverse bars forming a grid structure to support screen modules 18 seated on the transverse rails 1 to provide a screen mat extending across the screen box.
Patent CA-2032804-A1 (CA)
Title: Processes
Inventor: BALLARD DENIS G H
IPC: C08F4/08
Filed: 1990-12-20
Abstract: "PROCESSES"     A process for addition polymerisation of vinylic (in particuar methacrylic) monomers at a temperature in the range of -20 to 60°C, in the presence of a catalyst comprising: (a)    a first component of empirical formula (I):                MT             (I) wherein M is an alkali metal atom; and T is bulky hydrocarbyl which contains at least 4 carbon atoms and is optionally substituted by one or more pendent substituents, or hetero-substituted hydrocarbyl, each of which is inert in the process conditions; and (b)    a (co-catalyst) second component comprising a compound of empirical formula (II):                Q(Xm)(Yn)Zp            (II) wherein Q is Al, B or Zn; m, n and p are each 0 or an integer such that (m ~ n + p) = 2 or 3 (depending on the appropriate valency of Q; and X, Y and Z are each independently optionally substituted bulky hydrocarbyl, or X and Y together are optionally substituted hydrocarbadiyl, and Z is optionally substituted bulky hydrocarbyl, all of which groups are inert in the process conditions.
Patent CA-2034535-A1 (CA)
Title: Polyesters containing nonionic surfactants as cocondensed units, preparation thereof and use thereof in detergents
Inventor: KUD ALEXANDER
IPC: C08G63/668
Filed: 1991-01-18
Abstract: O.Z. 0050/41356 Abstract of the Disclosure:  Polyesters obtainable by condensation of (a)  an at  least  dicarboxylic  acid,  or an ester or anhydride or a mixture thereof, (b)  an at least dihydric alcohol or an addition product of from 1 to 5 mol of at least one alkylene oxide of 2 or 3 carbon atoms with 1 mol of an at least dihydric alcohol, or a mixture thereof, and (c)  a water soluble addition product of from 5 to 80 mol of at least one alkylene oxide with 1 mol of a C8-C24-alcohol,  a  C8-C18-alkylphenol  or  a  C8-C24-alkylamine in a molar ratio of (a):(b):(c) of 100:(25-2500):(5-110) at not less than 120°C up to a weight average molecular weight of from 2000 to 50000, are used in amounts of from 0.05 to 15 % by weight as grayness inhibitors and soil release promoters in detergents.
Patent CA-2035011-A1 (CA)
Title: Device for forming vertical piles of items
Inventor: PATTAROZZI DOMENICO
IPC: B65G57/14
Filed: 1991-01-25
Abstract: "DEVICE FOR FORMING VERTICAL PILES OF ITEMS"     ABSTRACT OF The DISCLOSURE        In  a  device  for forming  vertical  piles  of items,  coming from a feeding line, a pair of conveyor belts set side by side, at the end of the feeding line translate  the  items downwards onto a plane  disposed beneath,  while a pusher moves vertically in order  to push  the  items coming from the feeding line  towards the  belts;  a  frame  is  made  to  horizontally  and vertically move to engage with the support plane, in a transfer  phase,  and to move beneath the plane,  in  a return  phase;  the frame is also suited to support  a subsequent pile being formed during the transfer phase and  to allow the descent of the pile being formed  on the support plane during the return phase.
Patent CA-2037718-A1 (CA)
Title: Sulfate removal from alkali metal chlorate solutions and production of alkali metal chlorate including said removal
Inventor: SZANTO ISTVAN
IPC: C25B1/34
Filed: 1991-03-07
Abstract: A process for the removal of substantially chromium free sulfate from aqueous alkali metal solutions containing chromate and sulfate which includes mixing said solutions having a pH of between about 2.5 and 4.5 with a calcium-containing material for a time and at  a  temperature  sufficient to form  a gypsum  precipitate  and separating said gypsum precipitate from said solutions ; as well as a  process  for  the   production   of  alkali  metal  chlorate  by electrolysis of alkali metal chloride including said removal.
Patent CA-2039465-A1 (CA)
Title: Edible fats
Inventor: LANSBERGEN ADRIANUS J
IPC: A23D9/00
Filed: 1991-03-28
Abstract: L 7239 (R) A B S T R A C T                      IMPROVEMENTS IN EDIBLE FATS    The invention relates to improvements in edible fats, in particular to improved hardstocks for use in spreads having a low content of saturated fat and to spreads containing these hardstocks.  Edible spreads should contain particularly low levels of C-16 saturated fatty acids and low levels of trans fatty acids.  Accordingly, the invention provides a fat blend, for use as a hardstock in an edible emulsion spread, obtainable by interesterification of a fat rich in behenic acid together with a fat rich in palmitic and/or stearic acid such that in the interesterified mixture the behenic acid content is at least 5% and the sum of palmitic and stearic acid content is at least 50%.  Such hardstock fats may be obtained by interesterification of 10%-90% (by weight) wet fractionated palm stearin (80% palmitic acid) with 90%-10% (by weight) fully hydrogenated high erucic rapeseed oil.  The preferred ratio of components is 60% of the behenic acid source and 40% of the palmitic and/or stearic acid source.
Patent CA-2040307-A1 (CA)
Title: Effervescent detergent tablets
Inventor: SENNIK YOGESH
IPC: C11D3/20
Filed: 1991-04-12
Abstract: ABSTRACT     A laundry detergent tablet comprising a water-disintegratable dry laundry detergent tablet having a composition comprising a synthetic organic detergent compound and an effervescence-generating agent in intimate admixture therewith.  The tablets provide a detergent composition of reduced weight and volume, with an enhanced safety feature.  The tablets may be further provided with a water soluble but humidity resistant coating.
Patent CA-2042717-A1 (CA)
Title: Solid waste electronic weighing and tallying system
Inventor: EDWARDS JOHN B
IPC: G07C5/00
Filed: 1991-05-16
Abstract: ABSTRACT A system for weighing and automatically recording the weight and source of a load picked up by a vehicle at a pickup location is disclosed. The system is particularly useful for garbage pickup, to record the weight of garbage picked up at any given location, but obviously may have many analogous application. An electronic transmitter-identity tag, i.e. a radio frequency tag (RF tag), is either affixed to a waste receptacle or secured in the proximity of a waste pickup point. The RF tag contains a microprocessor with a permanent memory so that identification data can be programmed into it to identify the source of the waste. The RF tag also contains a radio transmitting system and a long wave radio receiver. A radio frequency reader, which includes a microprocessor controlled radio frequency transmitter and a microprocessor controlled radio frequency receiver, is mounted on a waste collection vehicle. During pickup operations, the RF reader sends a radio signal, and the RF tag responds by sending back source identification data, such as the address. The reader sends this information to a computer, which also receives a signal from a scale. The computer processes and records the data so that the weight of the material picked up can be matched with the source information.
Patent CA-2043311-A1 (CA)
Title: Method of forming an article consisting of a foam core and one or more covering layers
Inventor: BRAMBACH JOHAN A
IPC: B29K105/04
Filed: 1991-05-27
Abstract: This invention relates to a method of forming in a mould an article consisting of a thermoplastic sandwich material, which material comprises a core of a thermoplastic foam and one or two, optionally fibre-reinforced, covering layers of a thermoplastic resin, comprising providing in the mould a foamable thermoplastic synthetic material and said one or two fibre-reinforced covering layers, supplying a liquid to the mould at an elevated pressure and temperature, whereby the temperature of the thermoplastic synthetic material is raised to a temperature above the temperature at which the material foams, followed by lowering the pressure of the liquid and removing the liquid from the mould with foaming of the thermoplastic synthetic material.
Patent CA-2044298-A1 (CA)
Inventor: WRIGHT RANDOLPH L
IPC: B65F1/10
Filed: 1991-06-11
Abstract: TRASH BAG APPARATUS                    ABSTRACT OF THE DISCLOSURE      An apparatus for holding a trash bag. The apparatus includes base structure having an opening therethrough for allowing the body portion of the trash bag to extend therethrough and having a lip adjacent the opening for allowing the opened end of the body portion of the trash bag to be folded there over; and funnel structure having an opened first end for being positioned within the hollow body portion of the trash bag and within the opening of the base structure and having an opened second end. The funnel structure has a passageway extending between the first and second ends thereof for allowing trash inserted into the second end to pass therethrough into the hollow body portion of the trash bag. The cross-sectional area of the passageway at the second end of the funnel structure is larger than the cross-sectional area of the passageway at the first end of the funnel structure and larger than the cross-sectional area of the opened end of the body portion of the trash bag.
Patent CA-2044899-A1 (CA)
Title: Apparatus for delivering laying paper for closet seat
IPC: A47K13/20
Filed: 1991-06-18
Abstract: An apparatus for delivering laying paper for a closet seat comprising;  a lid whose rear end is rotatably supported by a box secured to the upper rear side of a closet pot;  the closet seat being laid under the lid with the rear end thereof being rotatably, vertically  movably  supported  by  the  box  and  urged  upwardly;  a ratchet driving portion including a ratchet rotatably supported by the box and a pawl on said lid, wherein, by the opening of the lid, the  pawl  engages  the  ratchet  to  rotate  the  ratchet  through  a predetermined angle;  a paper delivery roller portion  including a driving  roller  rotatable  by the  rotation of the  ratchet  driving portion  and  a pressure  roller  pressure-contacted to  the  driving roller and rotatable by the rotation of the driving roller, wherein the  laying paper  is  clamped between the driving  roller  and the pressure roller, and the laying paper is pulled out by the rotation of the aforesaid two rollers and the paper having a predetermined length  is delivered between the  lid and the closet  seat;  and a cutter  portion  disposed  on  the  paper  delivery  roller  portion, including a stationary lower blade disposed below the laying paper and  a movable  upper  blade  vertically  movably disposed over  the laying  paper,  wherein  the  movable  upper  blade  is  associated  in operation with the vertical movement of the rear end portion of the closet  seat and descends when pushed down by the closet  seat to thereby cut off the laying paper.
Patent CA-2045999-A1 (CA)
Inventor: KYLLIAINEN MAUNO
IPC: B30B9/04
Filed: 1991-06-28
Abstract: The invention concerns a method for controlling a press filter, said press filter having electric motors for operating said press filter. At least one of said electric motors of said press filter is driven by a frequency filter. A logic control unit is used for sending a program-controlled analog signal to said frequency converter. The output current from said frequency converter having a frequency proportional to the magnitude of said analog signal received from said logic control unit is used for driving the press filter's electric motors, whose rotational speeds thereby become proportional to the drive current frequency. A desired electric motor is individually started by way of applying power to the motor via a switch element which is activated by a signal from the logic control unit.
Patent CA-2049066-A1 (CA)
Title: Tamper-evident push-in closure
Inventor: REVILL PETER L
IPC: B65D17/28
Filed: 1990-03-16
Abstract: A tamper-evident push-in easy-opening closure in a sheet metal container member comprising an opening (1) in the container member (2), an integral closure member (3) for the opening in overlapping and underlying relationship with the free edge portion (7) defining the opening (1), the free edge portion (6) of the closure member (3) being formed with spaced latch members (8, 9; 8', 9') dimensioned to engage the free edge portion (7) around the opening (1) to increase the push-in force required to open the closure member (3) to a level which ensures that sealant (S) for sealing the closure member (3) in the opening (1) is fully broken whenever the closure member is opened, said closure member (3) being formed with a central upstanding portion (5) dimensioned to be in close proximity to said free edge portion (7) and being substantially perpendicular to a rim (6) extending from said upstanding portion (5), to thereby restrict the entry of foreign objects through said closure without visibly opening said closure.