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:
Oct. 04, 1977
Filed:
Dec. 02, 1976
Applicant:
Inventors:
Robert Gumbinner, Tarrytown, NY (US);
Jen-Chi Huang, Yonkers, NY (US);
Assignee:
Polychrome Corporation, Yonkers, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25F / ; C25F / ;
U.S. Cl.
CPC ...
20412995 ; 20412975 ;
Abstract
A method for electrolytically graining the surface of aluminum sheets useful in the production in lithographic printing plates which comprises subjecting said aluminum sheets to the action of an electric current in an aqueous electrolytic solution containing, in combination, small but effective amounts of both hydrochloric and tartaric acids.
Quick Actions:
Gumbinner, Robert. (1977). Process for electrolytic graining of aluminum sheet (U.S. Patent No. 4052275). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4052275
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile