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, 1989
Filed:
Oct. 13, 1987
Applicant:
Inventors:
Nancy S Sherwood, Coraopolis, PA (US);
Nicholas J Alfano, Pittsburgh, PA (US);
Assignee:
Calgon Corporation, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
422 16 ; 210701 ; 252180 ; 252391 ; 422 17 ;
Abstract
The present invention is directed to a method of inhibiting the corrosion of copper and copper alloys in an aqueous system containing oxygen using an effective amount of a polymer prepared from:
Sherwood, Nancy. (1989). Method of inhibiting the corrosion of copper and copper alloys (U.S. Patent No. 4867945). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4867945
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile