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:
Jun. 15, 1982
Filed:
Dec. 15, 1980
Applicant:
Inventors:
Shmuel Dabi, Fair Lawn, NJ (US);
Peter Loewrigkeit, Wyckoff, NJ (US);
Kenneth A Van Dyk, Stockholm, NJ (US);
Assignee:
Witco Chemical Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524589 ;
Abstract
A stable aqueous dispersion latex of a room temperature curing polyurethane forming films resistant to water and organic solvents is disclosed, the polyurethane containing units derived from melamine, in addition to units derived from diisocyanate and difunctional reactants, in the polymer chain, pendant water-dispersing carboxylic salt groups, and room temperature curable and cross-linking N-methylol hydrazide termini, and methods for making such dispersion.