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. 10, 1987
Filed:
May. 08, 1985
Applicant:
Inventors:
Takeyasu Ito, Chiba, JP;
Teruaki Kuwajima, Higashiosaka, JP;
Assignee:
Nippon Paint Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
524407 ; 106 1414 ; 148-620 ;
Abstract
An anticorrosive metal surface pretreating composition comprising an aqueous emulsion of hard polymer microparticles and a water soluble chromium compound, the polymer microparticles being prepared by emulsion polymerization of .alpha.,.beta.-unsaturated monomers including polyfunctional monomer(s) or monomer(s) capable of resulting polymer with a specific Tg value in the presence of a particular type of polymer as an emulsifier and a chromium compound, including specified amounts of trivalent chromium.