Patents for C08C 19 - Chemical modification of rubber (5,922)
02/1991
02/26/1991US4996262 Improved modulus; reacting epoxidized rubber with polyester
02/20/1991EP0413504A1 Rubber products and cure systems
02/19/1991US4994621 Aminated, alkoxylated hydroxyl-terminated polybutadienes
02/19/1991US4994528 Emulsion polymerization
02/19/1991US4994527 High temperature, oil-resistant elastomers from hydrogenated copolymers of 1,3-dienes containing fluorine
02/19/1991CA2023527A1 Rubber products and cure systems
02/19/1991CA1280535C Unsaturated silylated vinyl alcohol polymers
02/05/1991US4990573 Method for preparing polybutadiene endowed with improved processability characteristics
02/05/1991CA1279947C Polymeric materials having controlled physical properties and processes for obtaining these
01/1991
01/29/1991US4988774 Reacting hydrogen cyanide with an addition polymer in the presence of nickel phosphite and an aluminum compound as catalysts
01/23/1991EP0409631A2 Composite resin particles and preparation thereof
01/22/1991US4986924 Viscosity index, oxidation resistance, heat resistance
01/15/1991US4985584 Process for the production of high energy materials
01/09/1991EP0406920A2 Modified conjugated diene polymer and process for production thereof
01/08/1991US4983684 Crosslinkable rubber composition
01/02/1991EP0405827A2 Rubber composition for tread in high-speed running tires
01/02/1991EP0405266A2 Hydrogenation of unsaturated polymers containing nitrile groups
01/01/1991US4981916 Hydroesterification of polymerized conjugated dienes
01/01/1991US4981913 Shelf life, papermaking
12/1990
12/25/1990US4980422 Catalytic reaction using carbon monoxide and alcohol
12/25/1990US4980421 Dicyclopentadienyltitanium compounds, lithium compounds and reducing agents containing aluminum, zinc or magnesium; efficiency
12/25/1990US4980331 Coordination catalyst of group 8 organometallic compound and organoaluminum compound
12/18/1990US4978771 Conjugated dienes and unsaturated nitriles, such as acrylo-nitrile-butadiene copolymer; complex ruthenium catalyst
12/12/1990EP0401897A2 Hydrogenation catalyst and hydrogenation process wherein said catalyst is used
12/11/1990US4977220 Epoxy end-capped diolefin derivatives, polymers thereof, and processes for forming same
11/1990
11/20/1990US4972023 Polymers modified with terminal acid groups and the preparation and use of these polymers
11/15/1990WO1990013578A1 A process for minimizing residual free hydrazine in polymer latices
11/14/1990EP0397026A1 Process for hydrogenation of polymers
11/13/1990US4970268 Neutralization of carboxylated rubber with zinc metal
11/13/1990US4970266 Process for the preparation of functionalized polymers
11/13/1990US4970254 Method for hydrogenating functionalized polymer and products thereof
11/13/1990CA1276383C Process for hydrogenating nitrile group-containing unsaturated polymers
11/13/1990CA1276382C Furazan oxide modified rubbers and rubber compositions containing same
11/09/1990CA2016250A1 Process for hydrogenation of polymers
10/1990
10/30/1990CA1275750C Dense star polymers for calibrating/characterizing sub-micron apertures
10/24/1990EP0393962A2 Aminated, alkoxylated hydroxylterminated polybutadienes
10/24/1990CN1010131B Porous polyamines
10/23/1990US4965323 Method of vulcanizing rubber at pH 5 to 10
10/23/1990CA1275541C Salts of polyvalent cations of polymers of conjugated dienes
10/03/1990EP0390722A2 Polyester reinforced rubber
10/03/1990EP0390012A1 Tread stocks containing ionic and covalent crosslinks
10/02/1990US4960834 Carboxylated syndiotactic 1,2-polybutadiene
09/1990
09/30/1990CA2013319A1 Tread stocks containing ionic and covalent crosslinks
09/27/1990CA2007072A1 Polyester reinforced rubber
09/25/1990CA1274544A1 Process for the selective hydrogenation of unsaturated compounds
09/19/1990EP0223151B1 Process for the selective hydrogenation of unsaturated compounds
09/18/1990US4957976 Improved properties for automobile tires, modified with phosphoryl chloride
09/12/1990EP0386808A1 Method for preparing polybutadiene endowed with improved processability characteristics
09/11/1990US4956417 Unsaturated ester, conjugated diene, hydrogenated conjugated dienes copolymers having heat resistance and ozone resistance
09/05/1990EP0385918A1 Crosslinkable rubber composition
09/04/1990US4954576 Process for hydrogenating conjugated diene polymers
08/1990
08/29/1990CN1009367B Polymerization process
08/21/1990US4950723 Heat and aging resistance; stability
08/21/1990US4950719 Rubber composition
08/17/1990WO1990009403A1 Silyl terminated polymers
08/17/1990CA2026777A1 Silyl terminated polymers
08/14/1990CA1272837A1 Siloxane containing network polymer
08/14/1990CA1272833A1 Process for the preparation of conductive polymers or prepolymers from a polymer containing ethylenic unsaturations and from a silane compound, and conductive polymers or prepolymers
08/08/1990CN1044477A Method for utilizing lignin as reinforcing agent of rubber
08/07/1990US4946907 Curable thermosetting prepolymerized imide resin compositions
08/07/1990US4946905 Preparation of age-resisting polymers by reactions involving use of aminomercaptans
08/07/1990CA1272548A1 Process for the selective hydrogenation of unsaturated polymers containing nitrile groups
08/01/1990EP0379951A2 Process for preparing polymers by anionic polymerization
07/1990
07/31/1990US4944926 Method to treat rhodium-containing solutions
07/25/1990EP0378849A1 Adducts of an aminoalcohol and a nitrile rubber
07/23/1990CA2008239A1 Neutralization agents for anionic polymerization
07/18/1990EP0378104A2 Polymer hydrogenation catalysts
07/18/1990EP0172222B1 Fluorocarbon grafting of polymeric substrates
07/17/1990US4942202 A crosslinkable silicone rubber, a saturated elastomer that will not crosslink with peroxide and a possible third elastomer that will crosslink
07/17/1990US4942197 Wear resistance, gripping, nonskid butadiene-styrene copolymer
07/11/1990EP0377337A1 Aqueous coating composition
07/11/1990CN1043726A Vulcanizate activator system for rubber compositions
06/1990
06/30/1990CA2001932A1 Adducts of an aminoalcohol and a nitrile rubber
06/29/1990CA2006849A1 Aqueous coating composition
06/20/1990EP0373636A1 Process for producing butadiene oligomer adducts
06/19/1990US4935471 Improved affinity for carbon black
06/06/1990EP0371640A1 A compound containing an oxamic acid group, a process for producing the compound, and a resin composition containing the compound
06/06/1990CN1042724A Filler reinforcement made of distillation waste mud in soda industry
05/1990
05/29/1990US4929699 Bis cyclopentadienyl lanthium catalysts
05/29/1990US4929679 Butadiene-styrene copolymers blends with natural rubbers or polyisoprene, wear resistance
05/29/1990CA1269788A1 Ink for erasable script
05/23/1990CN1008096B Method for treatment of natural rubber field latex
05/22/1990US4927892 Carboxylation, esterification, with catalyst
05/22/1990US4927887 Modified rubber compositions containing aromatic six-membered heterocyclic nitrogen-containing groups
05/16/1990EP0368419A2 Hydrogenation catalyst and hydrogenation process wherein said catalyst is used
05/16/1990EP0368381A2 Hydrogenation process
05/15/1990US4925900 Low gel content
05/15/1990CA1269194A1 Copolymers and blends of polymers with conjugated p- system
05/02/1990EP0366377A2 Hydrogenated copolymer rubber, rubber composition comprising said rubber, and rubber product obtained from the rubber
05/01/1990US4921914 Thermoplastic rubber compositions of carboxyl ethylene polymer and blends with polyamide
04/1990
04/25/1990EP0364798A2 Cross-linked, water soluble copolymers, process for their manufacture and use thereof
04/25/1990CN1041602A 高模量橡胶组合物 High modulus rubber composition
04/22/1990CA2001005A1 Hydrogenated copolymer rubber, rubber composition comprising said rubber, and rubber product obtained from the rubber
04/18/1990EP0364390A1 High modulus rubber composition
04/18/1990EP0363659A1 Use of stilbene derivatives in anionic polymerisation
04/18/1990CN1041367A Method for preparing modified waste rubber powder
04/17/1990US4918144 Vulcanizable rubber composition
04/10/1990US4916045 Photosensitive recording element containing an ionic polymer
04/10/1990CA1267748A1 Method for improving rubbers
04/03/1990US4914248 Diene polymers, process for production, thereof, and rubber compositions containing same
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