Patents Represented by Attorney Walters C. Kehm - Justia Patents Search

Patents Represented by Attorney Walters C. Kehm

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Stack of tiles which have a release layer on one major face and an adhesive layer on the opposed major face does not require disposable release interlayers

Patent number: 4041200

Abstract: Rigid surface covering materials such as vinyl or vinyl asbestos floor or wall tiles having pressure sensitive adhesive adhered to one surface thereof and a release agent for the adhesive adhered to the opposite surface. This enables vinyl tile, etc. coated with pressure sensitive adhesive to be stored without the use of release paper.

Type: Grant

Filed: December 11, 1975

Date of Patent: August 9, 1977

Assignee: GAF Corporation

Inventors: Armen G. Boranian, Walter C. Timm