04221608 is referenced by 12 patents and cites 16 patents.

Char obtained by the destructive distillation of scrap rubber vulcanizate is ground in a fluid-energy mill. The resulting black powder, with or without coating with oil, is used as a reinforcing agent for vulcanized rubbers.

Title
Rubber-reinforcing blacks
Application Number
5/283878
Publication Number
4221608
Application Date
August 25, 1972
Publication Date
September 9, 1980
Inventor
Joseph A Beckman
Akron
OH, US
Agent
Jesse B Grove Jr
Assignee
The Firestone Tire & Rubber Company
OH, US
IPC
C09C 1/56
C09C 1/44
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