Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1985-03-27
1986-04-08
Cockeram, Herbert S.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524270, 524764, 524798, 524925, 527600, C08L 2300, C08L 9300, C08F 100
Patent
active
045814007
ABSTRACT:
A rubber composition comprising (a) 100 parts by weight of a rubber selected from the group consisting of natural rubber and synthetic diene rubbers and (b) about 1 to about 30 parts by weight of a rosin derivative comprising a blend of (i) about 15 to about 50% by weight of a rosin, (ii) about 10 to about 70% by weight of a polymerized rosin and (iii) not more than about 55% by weight of a rosin pitch, each based on the weight of the rosin derivative.
REFERENCES:
patent: 3238164 (1966-03-01), Speck
patent: 3927144 (1975-12-01), Hayashi et al.
patent: 4272419 (1981-06-01), Force
patent: 4279659 (1981-07-01), Unmuth
patent: 4373041 (1983-02-01), Wood et al.
patent: 4419470 (1983-12-01), Davis et al.
patent: 4478993 (1984-10-01), Wideman et al.
patent: 4491655 (1985-01-01), Sandstrom
Bridgestone Corporation
Cockeram Herbert S.
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