TREA

POLYSAR LIMITED

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  • SARNIA, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bimetallic metallocene alumoxane catalyst system and its use in the...
    • Patent number 5,372,980
    • Issue date Dec 13, 1994
    • Polysar
    • Stephen C. Davis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Transparent toughened plastics
    • Patent number 5,336,719
    • Issue date Aug 9, 1994
    • Polysar Limited
    • Ronald J. Thompson
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Transparent toughened thermoplastics
    • Patent number 5,252,664
    • Issue date Oct 12, 1993
    • Polysar Limited
    • Ronald J. Thompson
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymer solution treatment process
    • Patent number 5,244,965
    • Issue date Sep 14, 1993
    • Polysar Limited
    • Akhtar Osman
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Preparation of butyl rubber with bimodal molecular weight distribution
    • Patent number 5,194,538
    • Issue date Mar 16, 1993
    • Polysar Corporation
    • Judit E. Puskas
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Dimer reduction
    • Patent number 5,194,528
    • Issue date Mar 16, 1993
    • Polysar Limited
    • Brian H. A. Smith
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Transparent toughened thermoplastics
    • Patent number 5,079,296
    • Issue date Jan 7, 1992
    • Polysar Limited
    • Ronald J. Thompson
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Fibre reinforced belt
    • Patent number 5,051,299
    • Issue date Sep 24, 1991
    • Polysar Limited
    • Trevor A. Brown
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Chlorinated EPDM with superior stability
    • Patent number 5,045,603
    • Issue date Sep 3, 1991
    • Polysar Limited
    • Stephen C. Davis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Toughened thermoplastics
    • Patent number 5,043,392
    • Issue date Aug 27, 1991
    • Polysar Limited
    • James Lunt
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Synthetic clay
    • Patent number 5,026,744
    • Issue date Jun 25, 1991
    • Polysar Limited
    • Keith A. Callander
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Adducts of an hydroxy-free acrylate resin and an epoxy resin
    • Patent number 5,026,794
    • Issue date Jun 25, 1991
    • Polysar Limited
    • Kam W. Ho
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Analysis of asphalt
    • Patent number 4,990,456
    • Issue date Feb 5, 1991
    • Polysar Limited
    • Dennis A. Loucks
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Process for removing rhodium-containing catalyst residue from hydro...
    • Patent number 4,985,540
    • Issue date Jan 15, 1991
    • Polysar Limited
    • William G. Bradford
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Measurement of unsaturation level in butyl and EPDM rubbers
    • Patent number 4,983,528
    • Issue date Jan 8, 1991
    • Polysar Limited
    • Dennis A. Loucks
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fortified polyacrylate resins
    • Patent number 4,980,406
    • Issue date Dec 25, 1990
    • Polysar Limited
    • Patrick W. Lam
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Chlorinated EPDM with superior stability
    • Patent number 4,959,420
    • Issue date Sep 25, 1990
    • Polysar Limited
    • Stephen C. Davis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Nitrile rubber/vinyl chloride polymer/silica compositions
    • Patent number 4,956,398
    • Issue date Sep 11, 1990
    • Polysar Limited
    • Abdul L. Ayub
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method to treat rhodium-containing solutions
    • Patent number 4,944,926
    • Issue date Jul 31, 1990
    • Polysar Limited
    • Akhtar Osman
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Living cationic polymerization process
    • Patent number 4,943,616
    • Issue date Jul 24, 1990
    • Polysar Limited
    • Munmaya K. Mishra
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Heat exchanger leak detection
    • Patent number 4,942,920
    • Issue date Jul 24, 1990
    • Polysar Limited
    • Raymond J. Chalifoux
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Halogenated-hydrogenated acrylonitrile-butadiene rubber
    • Patent number 4,925,900
    • Issue date May 15, 1990
    • Polysar Limited
    • Gilles J. Arsenault
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Linerless roll of self fusing tape
    • Patent number 4,925,715
    • Issue date May 15, 1990
    • Polysar Limited
    • Kyosaku Sato
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Toughened thermoplastics
    • Patent number 4,921,910
    • Issue date May 1, 1990
    • Polysar Limited
    • James Lunt
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst sampling device
    • Patent number 4,916,956
    • Issue date Apr 17, 1990
    • Polysar Limited
    • Henry J. Semerak
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Butyl rubber/polypropylene elastoplastic
    • Patent number 4,916,180
    • Issue date Apr 10, 1990
    • Polysar Limited
    • Keith J. Robinson
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymer recovery from solution
    • Patent number 4,909,898
    • Issue date Mar 20, 1990
    • Polysar Limited
    • Dilipkumar Padliya
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Production of terminally functional polymer by cationic polymerization
    • Patent number 4,908,421
    • Issue date Mar 13, 1990
    • Polysar Limited
    • Munmaya K. Mishra
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Adducts of an aminoalcohol and nitrile rubber
    • Patent number 4,879,352
    • Issue date Nov 7, 1989
    • Polysar Limited
    • Janet B. Fulton
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Thermoset resin compositions
    • Patent number 4,877,832
    • Issue date Oct 31, 1989
    • Polysar Limited
    • Adrian Cassola
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    73733639 - SNS
    • Serial number 73733639
    • Registration number 1568373
    • Filing date Jun 13, 1988
    • Polysar Limited
    • 17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
  • Information Trademark

    73694753 - TAKTENE
    • Serial number 73694753
    • Registration number 1494240
    • Filing date Nov 10, 1987
    • Polysar Limited
    • 17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
  • Information Trademark

    73637049 - ZYLAR
    • Serial number 73637049
    • Registration number 1449140
    • Filing date Dec 24, 1986
    • Polysar Limited
    • 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
  • Information Trademark

    73604199 - POLYSAR
    • Serial number 73604199
    • Filing date Jun 16, 1986
    • Polysar Limited
    • 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
  • Information Trademark

    73598287 - POLYSAR
    • Serial number 73598287
    • Registration number 1433285
    • Filing date May 12, 1986
    • Polysar Limited
    • 40 - Treatment of materials
  • Information Trademark

    73565805 - POLYSPLINT
    • Serial number 73565805
    • Registration number 1468166
    • Filing date Oct 29, 1985
    • POLYSAR LIMITED
    • 10 - Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth
  • Information Trademark

    73548602 - TORNAC
    • Serial number 73548602
    • Registration number 1432943
    • Filing date Jul 17, 1985
    • Polysar Limited
    • 17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
  • Information Trademark

    73190747 - PLUS BACK
    • Serial number 73190747
    • Registration number 1145120
    • Filing date Oct 25, 1978
    • Polysar Limited
    • 27 - Carpets, rugs, mats and matting, linoleum and other materials for covering existing floors
  • Information Trademark

    73190749 - PLUS BACK
    • Serial number 73190749
    • Registration number 1145121
    • Filing date Oct 25, 1978
    • Polysar Limited
    • 27 - Carpets, rugs, mats and matting, linoleum and other materials for covering existing floors
  • Information Trademark

    73174976 - PLUS BACK
    • Serial number 73174976
    • Registration number 1153151
    • Filing date Jun 19, 1978
    • Polysar Limited
    • 17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
  • Information Trademark

    73174975 - PLUS BACK
    • Serial number 73174975
    • Registration number 1203549
    • Filing date Jun 19, 1978
    • Polysar Limited
    • 17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
  • Information Trademark

    73043407 - POLYSAR
    • Serial number 73043407
    • Registration number 1023547
    • Filing date Feb 4, 1975
    • POLYSAR LIMITED
    • 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
  • Information Trademark

    73043406 - POLYSAR
    • Serial number 73043406
    • Registration number 1023763
    • Filing date Feb 4, 1975
    • POLYSAR LIMITED
    • 17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
  • Information Trademark

    73016382 - MAMMOTH
    • Serial number 73016382
    • Registration number 1049045
    • Filing date Mar 19, 1974
    • POLYSAR LIMITED
    • 20 - Furniture, mirrors, picture frames