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:
Aug. 01, 1978
Filed:
Aug. 27, 1976
Applicant:
Inventors:
Keiichi Tanikawa, Yokohama, JP;
Tatsuro Obi, Tokyo, JP;
Tadashi Tanaka, Yokohama, JP;
Susumu Otsuka, Yokohama, JP;
Takao Saito, Himeji, JP;
Assignee:
Nippon Steel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ;
U.S. Cl.
CPC ...
427 46 ; 204 / ; 427 49 ; 4273 / ; 4273 / ; 4273 / ; 427384 ; 427405 ; 4274 / ; 4274 / ;
Abstract
A method for surface treatment of an electrolytic tin plate, comprising treating a tin-plated steel sheet with an aqueous solution containing at least one selected from the group consisting of pyrazole derivatives and colloidal substances, drying and reflowing the tin-plated steel sheet.