B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
400/1124, 152/24
B29D 30/06 (2006.01) B60C 1/00 (2006.01) C08L 9/00 (2006.01)
Patent
CA 1196138
Abstract of the Disclosure Pneumatic tire1 having a tread2 composed of (A) medium vinyl polybutadiene rubber, (B) low vinyl polybutadiene rubber and, optionally, (C) cis 1,4- polyisoprene rubber. In a preferential aspect the medium vinyl polybutadiene is required to be of a type prepared by polymerizing 1,3-butadiene with a small amount of divinylbenzene in a hydrocarbon solvent with an alkyl lithium catalyst and in the presence of a polar catalyst modifier.
408591
Haas Edward J.
Montgomery Edward C.
Scriver Richard M. Jr.
Smart & Biggar
The Goodyear Tire & Rubber Company
LandOfFree
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