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:
Nov. 04, 1980
Filed:
Mar. 13, 1979
Applicant:
Inventors:
Philippe Paulus, Jupille, BE;
Jules Hancart, Jupille, BE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ; C21D / ;
U.S. Cl.
CPC ...
148 / ; 148 / ; 148143 ;
Abstract
Metal strip, particularly steel strip, is heated to above 250.degree. C. and quenched in a phosphating bath, at 80.degree. C. or more, containing one or more phosphates of the type Me (H.sub.2 PO.sub.4).sub.n, where Me=Zn, Ni, Mn, or an alkali metal, at a concentration of 1 to 20 g/l.
Paulus, Philippe. (1980). Surface treatment of metal strip (U.S. Patent No. 4231812). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4231812
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile