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:
May. 02, 1995
Filed:
Oct. 15, 1993
Applicant:
Inventors:
Brenda S Morris, Philadelphia, PA (US);
Jiangbo Ouyang, Bensalem, PA (US);
David W Reichgott, Richboro, PA (US);
Assignee:
Betz Laboratories, Inc., Trevose, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08K / ; C08K / ;
U.S. Cl.
CPC ...
524261 ; 524442 ; 524444 ; 524555 ; 524556 ; 427421 ; 427409 ; 427428 ; 5253294 ; 5253299 ;
Abstract
A non-chromium conversion coating for metal surfaces such as aluminum, steel, galvanized steel and zinc-aluminum steel consisting of an aqueous solution of an anionic polyacrylamide copolymer, an inorganic silicate and an organofunctional silane.