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:
Jul. 10, 2012
Filed:
Feb. 05, 2007
Phaniraj T. Nagaraj, Naugatuck, CT (US);
R. Scott Archibald, Thomaston, CT (US);
Thomas R. Doyle, Wallingford, CT (US);
Ronald O. Rosenberg, Orange, CT (US);
Phaniraj T. Nagaraj, Naugatuck, CT (US);
R. Scott Archibald, Thomaston, CT (US);
Thomas R. Doyle, Wallingford, CT (US);
Ronald O. Rosenberg, Orange, CT (US);
Chemtura Corporation, Middlebury, CT (US);
Abstract
In one aspect, the invention relates to storage-stable and flowable polyurethane compositions comprising (a) one or more isocyanate-terminated polyurethane prepolymers derived from one or more hydrocarbon ring-containing diisocyanates and/or triisocyanates and one or more polyols; (b) one or more metal salt complexes of methylenedianiline; and (c) one or more organic acid halide compounds having one or more acid halide groups, wherein the one or more organic acid halide compounds are in an amount wherein the acid halide groups are present in a minimum concentration of about 100 parts per million by weight of the polyurethane prepolymer. In other aspects, the invention relates to methods for storing the curable polyurethane compositions, as well as methods for producing polyurethane elastomers.