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Class Information
Number: 525/914
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Polymer from conjugated diene hydrocarbon or halohydrocarbons having more than 50 per cent 1,2-microstructure
Description: Subject matter under Class 525 involving a polymer derived from conjugated diene hydrocarbon or conjugated halogenated diene hydrocarbon, said polymer having more than 50 1,2-microstructure.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7186779 |
Block copolymer compositions, having improved mechanical properties and processability |
Mar. 6, 2007 |
| 6930146 |
1,2-polybutadiene, thermoplastic elastomer composition and polymer composition |
Aug. 16, 2005 |
| 6747095 |
Crosslinked rubber particles and rubber compositions |
Jun. 8, 2004 |
| 6201080 |
Preparation of syndiotactic 1, 2-polybutadiene using a chromium-containing catalyst system |
Mar. 13, 2001 |
| 5658987 |
Rubber composition |
Aug. 19, 1997 |
| 5574111 |
Propylene polymer and copolymers grafted with vinylpolybutadiene and their preparation process |
Nov. 12, 1996 |
| 5541262 |
Propylene polymer and copolymers grafted with vinylpolybutadiene and their preparation process |
Jul. 30, 1996 |
| 5439976 |
Polyester composition and process for producing the same |
Aug. 8, 1995 |
| 5409986 |
Coverings based on thermoplstic elastomers, especially floor coverings |
Apr. 25, 1995 |
| 5393837 |
Polyester composition and process for producing the same |
Feb. 28, 1995 |
| 5266640 |
Weather and heat resistant blended nitrile polymers |
Nov. 30, 1993 |
| 5206301 |
Hydrogenated block copolymer and composition comprising the same |
Apr. 27, 1993 |
| 5153262 |
Controlled morphology barrier elastomers made from blends of syndiotactic 1,2-polybutadiene and ethylene-vinyl acetate-vinyl alcohol terpolymers |
Oct. 6, 1992 |
| 4894425 |
Preparation of polyisoprene having high content of 1,2- and 3,4-structural units by anionic polymerization |
Jan. 16, 1990 |
| 4880878 |
Block copolymer blends with improved oil absorption resistance |
Nov. 14, 1989 |
| 4843120 |
Rubber composition |
Jun. 27, 1989 |
| 4814386 |
ABC block copolymers based on butadiene and isoprene, process for their preparation and use |
Mar. 21, 1989 |
| 4782119 |
Rubber composition comprising a styrene-butadiene block copolymer having two kinds of blocks |
Nov. 1, 1988 |
| 4705828 |
Polypropylene resin composition and biaxially stretched film thereof |
Nov. 10, 1987 |
| 4520138 |
Dull, smooth unit soles |
May. 28, 1985 |
| 4485205 |
Rubber compositions suitable for tires comprising amorphous styrene-butadiene copolymer |
Nov. 27, 1984 |
| 4476273 |
Thermosetting compositions comprising conjugated diene polymers having pendant unsaturated groups and calcium carbonate |
Oct. 9, 1984 |
| 4463133 |
Rubber compositions suitable for use in tire tread |
Jul. 31, 1984 |
| 4430472 |
Elastomeric compositions with improved chemical, water and heat resistance |
Feb. 7, 1984 |
| 4396743 |
Rubber composition for tires containing block copolymer having vinyl bonds |
Aug. 2, 1983 |
| 4370448 |
Thermosetting composition combined high vinyl diolefin polymer with high vinyl low vinyl diolefin polymer |
Jan. 25, 1983 |
| 4324866 |
Thermoplastic elastomer composition |
Apr. 13, 1982 |
| 4305850 |
Process for decomposing vulcanized rubber |
Dec. 15, 1981 |
| 4269759 |
3,3'-Tetraglycidylsulfonyldianiline thermosetting compositions and polybutadiene rubber modified thermosetting compositions prepared from the same |
May. 26, 1981 |
| 4196106 |
Fiber-reinforced rubber article and process for producing the same |
Apr. 1, 1980 |
| 4155947 |
Amine terminated polymers and the formation of blocked copolymers |
May. 22, 1979 |
| 4155948 |
Amine terminated polymers and the formation of blocked copolymers |
May. 22, 1979 |
| 4154772 |
Amine terminated polymers and the formation of blocked copolymers |
May. 15, 1979 |
| 4154773 |
Amine terminated polymers and the formation of blocked copolymers |
May. 15, 1979 |
| 4151222 |
Amine terminated polymers and the formation of block copolymers |
Apr. 24, 1979 |
| 4082817 |
Process for producing maleic anhydride adduct of high molecular weight 1,2-polybutadiene |
Apr. 4, 1978 |
| 4081414 |
Hot melt adhesive composition for hot melt bonding of fibrous or surface-porous materials |
Mar. 28, 1978 |
| 3989769 |
Modified synthetic thermosetting resins and compositions containing same |
Nov. 2, 1976 |
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