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. 18, 1998
Filed:
Dec. 19, 1996
Applicant:
Inventors:
Louis J Sharp, Libertyville, IL (US);
Hilda R Dimaano, Chicago, IL (US);
Assignee:
The Dexter Corporation, Windsor Locks, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524596 ; 524598 ;
Abstract
A waterborne coating composition for metal substrates comprising (a) a formaldehyde-containing resin, and (b) a formaldehyde scavenger consisting essentially of an organic compound having at least one active methylene hydrogen and a pKa of about 5 to about 13, wherein the formaldehyde scavenger is present in a sufficient amount to maintain the concentration of free formaldehyde in the composition at less than 0.1% by weight.