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. 03, 1981
Filed:
Sep. 07, 1977
Applicant:
Inventors:
Pabitra Datta, Cranbury, NJ (US);
Virgil W Westdale, Chagrin Falls, OH (US);
John Novotny, Jr, San Jose, CA (US);
Assignee:
AM International, Inc., Los Angeles, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
430 97 ; 430108 ; 430110 ; 430137 ;
Abstract
Carrier particles for use in an electrophotographic process are prepared by coating the surface of the carrier particles with a perfluoro carboxylic acid in a polymeric binder. The resulting carriers are long lived and capable of imparting a positive triboelectric charge to electroscopic powders mixed therewith.
Datta, Pabitra. (1981). Coated carrier particles for use in electrophotographic process (U.S. Patent No. 4248954). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4248954
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile