The Goodyear & Tire Rubber Company

Christopher J Koscho

Bharat K Kansupada

Larry L Mershon

The marking of a surface of an uncured diene rubber product with a marking, or identifying coating, which maintains its identity upon curing the rubber. In one aspect, the coating is applied as a water based dispersion of zinc oxide pigment in a sulfur curable polymeric latex binder. An article can be produced thereby as a cured assembly of rubber components.

Rubber surface identification coating and rubber products prepared

The marking of a surface of an uncured diene rubber product with a marking, or identifying coating, which disappears upon curing the rubber. In one aspect, the coating is applied as a water based dispersion of a white colored metallic salt of a fatty acid having a melting point below 150.degree. C. (e.g. zinc stearate) in a sulfur curable polymeric latex binder. An article can be produced thereby as a cured assembly of rubber components.

The marking of an uncured or partially cured rubber surface with a marking, or identifying coating, which basically, disappears upon curing the rubber. In one aspect, the coating is applied as a suspension or solution in a specified solvent mixture. An article can be produced thereby as a cured assembly of rubber components.

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Stow, OH, United States of America

Christopher J Koscho