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:
Feb. 01, 1977
Filed:
Jul. 03, 1975
Ronald E Karam, Webster, NY (US);
Xerox Corporation, Stamford, CT (US);
Abstract
Disclosed is an improved process for the preparation of an electrostatographic photoreceptor which comprises: A. preparing a free-standing film of an unoriented, organic, active transport material by solvent coating the material onto a non-adherent base and removing at least part of the solvent; B. detaching the film from the base; C. annealing the film above its glass transition temperature to provide a film free of strains; D. vapor depositing a film of a photoconductive material onto the organic film; and E. attaching the film of photoconductive material at its exposed surface to a conductive substrate with an adhesive material.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile