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:
Sep. 16, 1997
Filed:
Feb. 20, 1996
Applicant:
Inventors:
Philip C Heidt, Kingsport, TN (US);
Charles H Foster, Kingsport, TN (US);
J Stewart Witzeman, Den Haag, NL;
Assignee:
Eastman Chemical Company, Kingsport, TN (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428482 ; 428522 ; 525386 ; 525437 ; 525450 ; 560146 ; 560176 ;
Abstract
Provided are various 2-acetylglutarate esters of polyols which are useful as poller crosslinkers for use in thermosetting coating compositions, as well as methods of preparation of these materials. In particular, the invention provides crosslinkers of the formula ##STR1## wherein R and R' are independently t-butyl, t-amyl, or phenyl, and x is an integer of from 2 to 5.