The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 19, 1978
Filed:
May. 09, 1977
Doyle O Etter, Rochester, NY (US);
Irvin H Crawford, Rochester, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
A photograpic element having a pressure-sensitive adhesive layer for mounting of the element as desired, is protected by an ethylene polymer layer having a defined melt index and applied thereto by extrusion, with or without included antioxidant, at temperatures above 450.degree. F. As a consequence of the defined extrusion conditions, the protective ethylene polymer layer can be applied to form the element at high line speeds, and, when subsequently desired, peeled from the adhesive layer to which it is adhered by a force not exceeding 400 grams as defined. Ethylene polymers that are employed include polyethylene, and copolymers of ethylene with other monomers.