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:
Jun. 29, 1982
Filed:
Oct. 29, 1980
Applicant:
Inventors:
Philip G Russell, Williamstown, MA (US);
Walter J Bernard, Williamstown, MA (US);
Sidney D Ross, Williamstown, MA (US);
Assignee:
Sprague Electric Company, North Adams, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B44C / ;
U.S. Cl.
CPC ...
156656 ; 156666 ; 252 791 ; 252 792 ;
Abstract
Nodular copper is dissolved from aluminum foil surfaces by contacting the aluminum with a 0.1 to 2 M ammonium persulfate solution. The contacting temperature is 20.degree. to 40.degree. C., preferably 30.degree. C., and the contacting time is 1 to 10 minutes, preferably 2 minutes.
Quick Actions:
Russell, Philip. (1982). Nodular copper removal from aluminum foil surfaces (U.S. Patent No. 4337114). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4337114
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile