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US 4,228,045 AGranted
Method of adhesion of rubber to reinforcing materials
AssigneeAmerican Cyanamid Company
InventorRao S. Bezwada
Life of this patent
Estimating the term…
Abstract
A vulcanizable rubber composition comprising a rubber, a vulcanizing agent and glyoxal or a glyoxal reaction product and a method of adhering fiber or steel tire cord, are disclosed.
Claims18
A vulcanizable rubber composition consisting essentially of (A) natural or synthetic rubber, or a mixture thereof;
- (B) a vulcanizing agent;
- and (C) from about 1 to 10 parts by weight, per hundred parts by weight of rubber, of (a) glyoxal, (b) a reaction product of glyoxal and from 0.1 to 10 molar proportions of urea or (c) a reaction product of glyoxal, 0.1 to 10 molar proportions of urea and from 0.01 to 2 molar proportions of formaldehyde per molar proportion of glyoxal.
Dependencies are inferred from the claim text.