baber/WOPTO huggingface dataset:
Patent CA-1315954-C (CA)
Title: Metal casting patterns
Inventor: BROWN JOHN R
IPC: B22C9/08
Filed: 1988-05-20
Granted: 1993-04-13
Abstract: METAL CASTING PATTERNS                     ABSTRACT           A metal casting pattern of expanded thermoplastics material such as polystyrene or polymethyl methacrylate has a filter comprising a porous ceramic body, such as a body having pores extending from one face to another face or a foam structure, incorporated therein.
Patent CA-1302896-C (CA)
Title: Covalent attachment of anticoagulant and the like onto biomaterials
Inventor: FEIJEN JAN
IPC: A61L33/00
Filed: 1988-06-07
Granted: 1992-06-09
Abstract: COVALENT ATTACHMENT OF ANTICOAGULANTS    AND THE LIKE ONTO BIOMATERIALS                 Abstract of the Disclosure A substrate for medical devices and a process for making the substrate is provided, the substrate having on at least part of its surface a blood-compatible surface produced by coupling a physiologically active substance to the surface.  The physiologically active substance is one having an inhibitory effect on the formation of blood clots and/or is capable of breaking down blood clots formed.  The physiologically active substance is bonded to a polyacid, and the polyacid is attached to the surface by a covalent bond.
Patent CA-1309867-C (CA)
Title: Vacuum refining of glass or the like with enhanced foaming
Inventor: SCHWENNINGER RONALD L
IPC: C03B5/225
Filed: 1988-06-21
Granted: 1992-11-10
Abstract: ABSTRACT     Foaming of molten glass or the liks as it enters a vacuum refining vessel is enhanced by altering the incoming stream so as to increase its surface area and/or retarding the passage of the stream through the vacuum headspace so as to increase its exposure to the vacuum.  The stream of the molten glass entering the vacuum chamber is provided with a shape other than a single cylindrical shape along at least a portion of its passage into the chamber.
Patent CA-1309545-C (CA)
Inventor: CANDAU FRANCOISE
IPC: C08F2/32
Filed: 1988-06-27
Granted: 1992-10-27
Abstract: PCT No. PCT/FR88/00321 Sec. 371 Date Sep. 14, 1990 Sec. 102(e) Date Sep. 14, 1990 PCT Filed Jun. 17, 1988 PCT Pub. No. WO88/10274 PCT Pub. Date Dec. 29, 1988.An invert microlatex of at least one cationic water-soluble vinyl monomer, if necessary copolymerized with at least one anionic or non-anionic water-soluble vinyl monomer, is prepared by a process consisting in a first stage (a) of preparation of an invert microemulsion (of the water-in-oil type) and a second stage (b) in which the invert microemulsion obtained in stage (a) is subjected to conditions of polymerization, stage (a) consisting in mixing: (A) an aqueous solution of at least one cationic water-soluble vinyl monomer, if necessary mixed with at least one anionic or non-ionic water-soluble vinyl monomer, (B) an oil phase containing at least one liquid hydrocarbon, and (C) at least one non-ionic surface active agent, in a proportion sufficient to obtain an invert microemulsion, and having an HLB, either between 11 and 15 when the cationic water-soluble vinyl monomer is alone or mixed with an anionic water-soluble vinyl monomer, or between 7.5 and 13 when the cationic water-soluble vinyl monomer is mixed with a non-ionic water-soluble vinyl monomer. Application as a flotation and drainage additive, and as an absorber and retainer of water.
Patent CA-1321866-C (CA)
Title: Method and apparatus for the manufacture of filler sticks for cosmetic sticks and the like
Inventor: HEMPEL MATTHIAS
IPC: A45D40/16
Filed: 1988-07-25
Granted: 1993-09-07
Abstract: ABSTRACT OF THE DISCLOSURE In a method and in apparatus for producing filler sticks for cosmetic sticks, in particular those having a swiveling mecha-nism for extending the filler sticks from a protective sheath, including a mold for casting the filler sticks, it is provided, in order to attain filler sticks that are optimally suitable for such swiveling mechanisms and to attain a filler stick structure that assures favorable properties for use, that the filler stick is cast in a horizontally disposed mold recess open along at least a portion of its jacket face.  For performing a method of this kind, an apparatus is used that is distinguished in that the mold has a plurality of horizontally disposed mold recesses, which are open along at least a portion of the jacket face, and that an expulsion device for the hardened, cast filler sticks is provided, acting in the axial direction of the mold recesses.
Patent CA-1308375-C (CA)
Title: Flavor composition and method
Inventor: KNUTH MARK E
IPC: A23L27/20
Filed: 1988-07-28
Granted: 1992-10-06
Abstract: ABSTRACT       A vanilla flavor composition produced by vanilla-plant callus cells suspended in tissue culture, under conditions which promote secretion of vanilla flavor components into the culture medium.  The flavor components may be separated from the medium by adsorption resins. Also disclosed are methods for preparing callus cells capable of secreting flavor components in tissue culture, and callus cells produced thereby.
Patent CA-1308176-C (CA)
Title: Apparatus for electroerosive piercing of holes in workpieces
Inventor: ABDUKARIMOV ERKIN T
IPC: B23H7/30
Filed: 1988-08-02
Granted: 1992-09-29
Abstract: APPARATUS FOR ELECTROEROSIVE PIERCING OF HOLES           IN WORKPIECES                            Abstract An apparatus for electroerosive piercing of holes in workpieces comprising an electrode tool in the form of a rod placed with a clearance in a shell     and projecting therefrom, a means     for feeding and rotating the rod me-chanically connected to a means     for reciprocating the shell     relative to the rod    . The means     for reci-procating the shell     relative to the rod is fashioned as a hydraulic  cylinder     a piston     of which has the shell rigidly secured thereto at the side of the workpice and at least one of cavities ("a" or "b") of the hydraulic cylinder     is connected to a system for feeding and dis-charging a working fluid, the piston     having at least one passage communicable with the interior of the shell of the electrode tool and wherethrough the rod     of the ele-ctrode tool extends with a clearance.
Patent CA-1293226-C (CA)
Title: Bag opening device
Inventor: GIANELLI GIAN C
IPC: B65B43/26
Filed: 1988-08-09
Granted: 1991-12-17
Abstract: A B S T R A C T "BAG OPENING DEVICE"          Apparatus for the opening of a bag 1 is provided with a clamp 2 having one fixed jaw 3 which applies a high pressure to a limited area of the bag by means of a pip 4, and a movable jaw 5 which applies a lower pressure to the bag 1 over a larger area through a spring-loaded block 6 and a rubber pad 7, and is movable by means of a pneumatic cylinder 8. The high pressure applied by the pip 4 is sufficient to prevent any relative movement of the bag panels. The lower pressure exerted by the rubber pad 7 is sufficient to prevent sliding movement of the pad 7 relative to the upper surface of the bag 1 but does not prevent relative movement between the upper and lower panels of the bag 1. When the movable jaw 5 is moved towards the fixed jaw 3 a region of the upper panel of the bag is buckled between the two jaws. Raising of the clamp thus opens the bag, the lower side being held down by adhesive tape 9.
Patent CA-1311472-C (CA)
Title: 3'-demethoxyepipodophyllotoxin glucoside derivatives
Inventor: SAULNIER MARK G
IPC: A61K31/7048
Filed: 1988-08-30
Granted: 1992-12-15
Abstract: ABSTRACT      This  invention  relates  to  novel 3'-demethoxy epipodophyllotoxin glucosides,  their use as anti-tumor agents,  and pharmaceutical  compositions thereof.   The specification discloses compounds having the formula   wherein R2 is hydrogen and R1 is selected from the group consisting  of  C1-10  alkyl,  C2-10  alkenyl,  C3-C7 cycloalkyl,  furyl,  thienyl,  pyridyl,  pyrrolyl,  C6-C10 aryl  and C7-C14  aralkyl,  said aryl and aralkyl  rings optionally bearing one or more substituents selected from halo,  C1-C4 alkyl, nitro, hydroxy, C1-C4 alkoxy,  C1-C4 alkanoyloxy,  cyano,  amino,  C1-C4  alkylamino,  di(C1-C4 alkyl) amino, carboxy, C1-C4 alkylthio, mercapto, C2-C4 alkenoylamino, C2-C4 alkenyl and carbamoyl; or R1 and R2 are each C1-C10 alkyl; or R1 and R2 and the carbon atom to  which  they  are  attached  join  to  form  a  C5-C6 cycloalkyl group.
Patent CA-1290837-C (CA)
Title: Universal controller for material distribution device
Inventor: BACHMAN WESLEY J
IPC: G05D7/06
Filed: 1988-09-13
Granted: 1991-10-15
Abstract: Abstract of the Disclosure A monitoring and control system is provided for a mobile material distribution apparatus wherein the rate of material distribution per unit of area varies as a predetermined function of the ground speed of the mobile apparatus and of the rate of operation of a variable rate delivery structure for delivering material at a controllable rate to material a distribution structure for distributing the material along the path of travel of the mobile apparatus. The monitoring and control system comprises a ground speed sensor for developing a ground speed signal corresponding to the ground speed of the mobile apparatus and a delivery rate sensor for developing a delivery rate signal corresponding to a rate of delivery of material by the variable rate delivery structure.  The monitoring and control system includes a monitoring and control circuit responsive to the ground speed singal and to the delivery operation of the variable rate delivery structure to achieve and maintain a desired rate of distribution of material along the path of travel of the mobile distribution apparatus.  The monitoring and control circuit further comprises a processor circuit responsive to the ground speed and delivery rate signals for producing the control signals and a memory circuit for storing data and instructions for enabling the processing circuit to respond to delivery rate signals from each of a plurality of different types of delivery rate sensors.
Patent CA-1316381-C (CA)
Title: Progressive intensity phase plate bifocal
Inventor: COHEN ALLEN L
IPC: G02B5/18
Filed: 1988-11-10
Granted: 1993-04-20
Abstract: Abstract Of The Disclosure An ophthalmic contact lens containing more than one phase plate within its optic zone, including contact lens, especially of a Cohen lens design, which possesses phase plate optics within its optic zone that progressively shift the intensity of light focussed by bifocal phase plates between the diffractive focal powers by utilizing eshelettes in the phase plates of varying depths and heights which are cooperatively aligned relative to the lens base curve surface that they openly face.
Patent CA-1315018-C (CA)
Title: P-type buffer layers for integrated circuits
Inventor: SALERNO JACK P
IPC: H01L27/06
Filed: 1988-11-14
Granted: 1993-03-23
Abstract: P-TYPE BUFFER LAYERS FOR INTEGRATED CIRCUITS              Abstract of the Disclosure An integrated circuit having an epitaxial GaAs buffer layer containing p-type dopant is disclosed. The epitaxial p-doped buffer has a lower point defect/impurity density than bulk, melt-grown GaAs buffer layers and a lower carrier mobility than comparable n-doped buffer layers, and forms p-n junctions with n-doped regions of transistors resident on the buffer layer.  The buffer sub-stantially reduces interdevice and intradevice parasitic currents as well as sidegating and back-gating.  Furthermore, the p-doped epitaxial buffer enhances device isolation.
Patent CA-1323653-C (CA)
Inventor: MATKAN JOSEF
IPC: G03G13/01
Filed: 1988-11-30
Granted: 1993-10-26
Abstract: ABSTRACT OF THE DISCLOSURE    An image reversal process for the production of electrophotographic color proofs from negative separation films where the photoconductive receiving member is reusable and the proofs are produced on printing stock paper and which very closely match the appearance of the printed sheet.    The process of the invention comprises, exposing an electrophotoconductor that is charged to a first polarity through a color separation negative film which may be in contact therewith, developing the unexposed areas on the photoconductor with opposite polarity background toner to form background deposits thereon in areas corresponding to the opaque non-image or background areas on the negative, subjecting the photoconductor and the background deposits thereon to corona discharge of said first polarity to charge the photoconductor in the areas free of said background deposits, that is, in areas corresponding to the transparent image areas on the negative, removing charges of said first polarity from the background deposits, developing the image areas on the photoconductor with opposite polarity color toner, and transferring the thus formed color toner deposits to a receptor such as printing stock paper.  The process can be repeated for each additional color separation negative film to transfer the additional specific color developed image in proper registry where a proper toner for the specific color image will be used.
Patent CA-1301736-C (CA)
Title: Shift-feel durability enhancement
Inventor: PAPAY ANDREW G
IPC: C10M133/06
Filed: 1988-12-12
Granted: 1992-05-26
Abstract: SHIFT-FEEL DURABILITY ENHANCEMENT Abstract of the Disclosure Improved durability of shift-feel frictional charac-teristics in automotive transmission fluids is achieved by use of an initially substantially inert (friction-wise) compound -- viz., an aliphatic tertiary amine having one long chain and two short chain groups -- incorporated into a formulation which is otherwise balanced for initially good shift-feel frictional properties.  When the fluid is subjected to the oxidative and thermal degradation condi-tions encountered under normal service conditions, the friction modifiers that give the fluid good initial shift-feel frictional properties degrade.  However, as this occurs the aliphatic tertiary amine has itself been transformed by a mechanism that activates it so that in its new form it acquires the ability to provide good shift-feel properties.  Thus this additive serves as a time-activated or delayed action substitute for the friction modifiers that have been degraded during service.  The result is a continuation of good shift-feel performance over a long period of severe operation.  In one embodiment of the invention, oil-soluble aliphatic diamines are used as the primary (i.e., initially effective) friction-reducing additives with which the delayed action tertiary amines are used.  In another embodiment, the primary (i.e., initially effective) friction-reducing additives with which the delayed action tertiary amines are used are oil-soluble N-substituted dialkanolamines.
Patent CA-1339659-C (CA)
Inventor: FOLKERS KARL
IPC: C07K7/06
Filed: 1988-12-30
Granted: 1998-02-03
Abstract: Antide is the decapeptide, N-Ac-D-2-Nal,D-pClPhe, D-3-Pal, Ser,NicLys, D-NicLys, Leu, ILys, Pro, D-Ala, NH2 which is an antagonist of luteinizing hormone releasing hormone (LHRH).          This decapeptide, like others of the present invention, has high antiovulatory activity (AOA) and releases negligible histamine.          Numerous other peptides having structures related to Antide were prepared and tested.  These peptides had variations primarily in positions 5,  6,  7,  and 8.   Of these,  N-Ac-D-2-Nal, D-pClPhe,D-3-Pal,Ser,PicLys,cis-DPzACAla,Leu,ILys,Pro,D-Ala-NH2 was one of the most potent and had higher antiovulatory activity than Antide, i.e. 73%/0.25ug and 100%/0.5ug vs. 36%/0.5ug and 100%/1.Oug.  Antide showed significant, (p<0.001) duration of action, when injected at a dose of 10ug, 44 hours before 50 ng of the agonist,  [D-3-Qal6]-LHRH.   Antide showed oral AOA at 600ug (73%) and at 1200ug (100%) with negligible difference being found between water and corn oil oral formulations.  In the antagonists prepared according to the present invention, arginine and its derivatives were not utilized.   Lysine was converted into derivatives with acyl groups or with alkyl groups on the E-amino group.  The amino acid ornithine was acylated or alkylated on the d-amino group.  Both the L- and D- forms of lysine and the L-form of ornithine were used in synthesizing these  acyl  and  alkyl  derivatives.    Structurally  related intermediates were also synthesized.  All together, many new peptides were synthesized by the basic and minimal concepts of ten variables for anti-ovulation activity and ten variables for histamine  release,  which  may  be  independent  or  partially overlapping.
Patent CA-1316673-C (CA)
Title: Method for producing high density sic sintered body
Inventor: KAWASAKI SHINJI
IPC: C04B35/575
Filed: 1989-01-18
Granted: 1993-04-27
Abstract: METHOD FOR PRODUCING HIGH DENSITY SiC SINTERED BODY      Abstract of the Disclosure A high density SiC sintered body can be obtained by molding a mixture of two kinds of high temperature-type and low temperature-type silicon carbides together with sintering aids into a shaped article, primarily firing the shaped article, and subjecting the primarily sintered body to an HIP treatment.
Patent CA-1332838-C (CA)
Title: 4-alkyl-1,4-dihydropyridines with paf-acether-antagonist activity
Inventor: SUNKEL CARLOS
IPC: A61P37/08
Filed: 1989-01-19
Granted: 1994-11-01
Abstract: 4-alkyl-1,4-dihyropyridines, with PAF-acether-antagonist activity, of formula (I) wherein R is saturated C1-C4, R' is saturated C1-C6 alkyl which may be interrupted by an oxygen atom, or 2-tetrahydrofurfuryl and R2 is saturated C1-C4 or phenyl, the compound wherein R is methyl, R' is ethyl and R2 is phenyl remain excluded, are described. The compounds (I) are prepared by: (a) reaction of (II) with (III); (b) reaction of (IV) with (V); (c) reaction of (VI) with (III) and with (VII); (d) reaction of (VIII) with (V) and with (VII); or (e) reaction of (VIII) with (VI) and with (VII) in the presence of ammonia. The compounds (I) are useful due to their antagonist activity of the platelet activating factor.         II   I           III              IV                V                CH3-CO-CH2-COOR'  VI       R-CHO VII               CH3-CO-CH2-COO-(CH2)2-S-R2   VIII
Patent CA-1339067-C (CA)
Title: Antigenic compositions and methods for their production and use
Inventor: BLASER MARTIN J
IPC: G01N33/569
Filed: 1989-02-15
Granted: 1997-07-29
Abstract: Antigenic compositions are disclosed for use in diagnostic kits and the like fordetecting the presence of antibodies specific for Campylobacter pylori, bacteria often associated with the occurrence of Type B gastritis and peptic ulcer disease. Samples of bodily fluids, for instance, may be contacted with immobilized antigen which is then washed and tested for the occurrence of significant levels of antigen/antibody complex. Levels exceeding a predetermined positive threshold are indicative of antibodies to Campylobacter pylori in the sample tested. Kits employing the antigenic compositions of the invention preferably include means for detecting the antigen/antibody complex such as materials and reagents for conducting an enzyme-linked immunosorbent assay, Western blot technique, liposome-based assay or other known detection tests.
Patent CA-1295899-C (CA)
Inventor: RIEGER HEINZ H
IPC: F24B1/18
Filed: 1989-03-31
Granted: 1992-02-18
Abstract: The fireplace has a coaxial vent directly venting the exhaust gas through its top. The fresh air is directed through an outer jacket of the coaxial vent to a chamber located between the firebox and the rear panel and enters into the lower portion of the firebox while the exhaust air is conducted through the inner coaxial duct, located inside the fresh air duct, to be released to the outdoor. Residual heat in the exhaust gas is inherently recycled by the fresh air being drawn into the fireplace to enhance combustion and to increase the efficiency for heating purposes.
Patent CA-1315404-C (CA)
Title: Method for displaying intervisibility data
Inventor: HUSS RONALD E
IPC: G06T15/20
Filed: 1989-04-10
Granted: 1993-03-30
Abstract: METHOD FOR DISPLAYING INTERVISIBILITY DATA            ABSTRACT OF THE DISCLOSURE     A  method  for  presenting  intervisibility  data relative  to  an  observation point.   A  data base  of terrain altitudes is stored in computer memory.   The data  base  comprises  terrain  altitudes  at  a  grid  of points in a selected terrestrial area encompassing the observation point.  Visible heights from the observation point at the grid points are derived from the data base with a computer by performing a number of steps grid point by grid point in succession in an order moving away from the observation point.  The first step is to determine a projected height at the grid point from the visible heights between the observation point and the grid point.  The second step is to compare the projected height with the terrain altitude at the grid point.  The third step is select as the visible height at the grid point the larger of the compared terrain altitude and the projected height.   A number representative of the visible height at each grid point as so derived with a computer is stored in computer memory.   The computer memory is coupled to a visual display device to present the  stored  representations  of  the visible height  in spatial  relationship  coordinated  with  the  spatial relationship of the grid points of the terrestrial area. The visible height data is derived by use of the similar triangles  theorem,  and  interpolation  of  previously calculated visible heights.
Patent CA-1314013-C (CA)
Title: Apparatus for turning over cartons
Inventor: BLUEMLE MARTIN
IPC: B65B35/58
Filed: 1989-04-13
Granted: 1993-03-02
Abstract: TITLE OF THE INVENTION     APPARATUS FOR TURNING OVER CARTONS     ABSTRACT OF THE DISCLOSURE     An  apparatus  for turning bodies such as cardboard boxes or cartons  or  the  like,  especially  for  use  in  a machine for packing envelopes into cartons, includes at least one bottom carrier  which  is  tiltably driven  about  a  horizontal axis, and at least one top carrier which may be tilted on top of the body to be turned over.  At least one connecting member and  journalling elements connect the two carriers with each other  in  such  a manner  that both  carriers  can be  tilted together  or  in unison  and so that one carrier can also be tilted  independently of  the  other  carrier  by  a respective drive or tilting member. At least one carton supporting lip protrudes from at least one of the carriers for holding the carton while it is being turned.
Patent CA-1330890-C (CA)
Inventor: PATE CHARLES D
IPC: G01M3/28
Filed: 1989-04-24
Granted: 1994-07-26
Abstract: PIPE SEGMENT PRESSURE TESTER AND PROCESS OF USE            Abstract of the Disclosure An apparatus and method for pressure testing pipe segments.  The apparatus including a main body portion thereof with seals located at either end for sealing the main body portion to the inside of the pipe segment.  The body portion being withdrawn and inserted into the pipe segment by an extended draw bar attached to one end thereof.