C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
400/1117, 260/12
C07D 209/58 (2006.01) C07F 7/10 (2006.01) C08K 5/20 (2006.01) C08L 7/00 (2006.01) C08L 9/00 (2006.01) C08L 21/00 (2006.01) C09F 1/04 (2006.01)
Patent
CA 2037256
Abstract of the Disclosure BIS-AMIDE LINKED ROSIN ACID DERIVATIVES The present invention relates to bis-amide linked rosin acid derivatives which are useful as a rubber additive. In one embodiment, the amide linked rosin acid derivative may serve as a total or partial replacement for antiozonants. The bis-amide linked rosin acids are prepared by reacting abietic acid and/or dehydroabietic acid with a diamine under amidation conditions.
Sandstrom Paul H.
Wideman Lawson G.
Smart & Biggar
The Goodyear Tire & Rubber Company
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