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:
Jan. 15, 2002
Filed:
Oct. 30, 2000
Applicant:
Inventors:
Ibrahim Bechara, Carmel, NY (US);
Biau-Hung Chang, Basking Ridge, NJ (US);
Pavel Ilmenev, Ridgefield, CT (US);
Assignee:
Crompton Corporation, Middlebury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 3/700 ;
U.S. Cl.
CPC ...
C08L 3/700 ;
Abstract
A polyurethane dispersion which is the reaction product of a prepolymer and a water or hydrazine chain extender. The prepolymer is the reaction product of a hydroxylated polyalkadiene, a bis(hydroxyalkyl) quaternary ammonium-group-containing diol and a polyisocyanate.