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. 09, 2007
Filed:
Dec. 12, 2002
Walter H. Ohrbom, Hartland Township, MI (US);
Craig S. Schang, Brighton, MI (US);
Joanne Casale, Warren, MI (US);
Thaddeus J. Lepkowski, Dearborn Heights, MI (US);
Walter H. Ohrbom, Hartland Township, MI (US);
Craig S. Schang, Brighton, MI (US);
Joanne Casale, Warren, MI (US);
Thaddeus J. Lepkowski, Dearborn Heights, MI (US);
BASF Corporation, Southfield, MI (US);
Abstract
A composition comprising a reaction product of a diisocyanate, a chain extension agent having at least difunctional reactivity with an isocyanate, and a material comprising a blend of i) a primary carbamate material having at least one functional group reactive with an isocyanate and at least one primary carbamate group or a group convertible to a primary carbamate group, and ii) a reaction product of the primary carbamate material with an extending agent, wherein at least one of i) the isocyanate groups of the diisocyanate have a different reactivity in relation to each other, and ii) at least two of the groups with reactivity with an isocyanate on the chain extension agent have a different reactivity in relation to each other.