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:
Apr. 22, 1980
Filed:
Aug. 14, 1978
Applicant:
Inventors:
Karl-Heinz Nuss, Neu-Isenburg, DE;
Klaus-Dieter Nittel, Frankfurt, DE;
Han-Yong Oei, Frankfurt, DE;
Gunter Siemund, Heusenstamm, DE;
Assignee:
Oxy Metal Industries Corporation, Warren, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B21B / ; B21C / ; C23F / ;
U.S. Cl.
CPC ...
148 / ; 148 / ; 252 34 ; 252 22 ; 252 23 ; 72 42 ;
Abstract
The application of an aqueous soap to a phosphatized metal surface is improved by including in the soap composition a complex former stable to hydrolysis and capable of forming a water-soluble complex with the metal of the phosphate coating.
Nuss, Karl-Heinz. (1980). Preparation of metals for cold forming (U.S. Patent No. 4199381). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4199381
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile