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:
Apr. 08, 2008
Filed:
Jan. 16, 1998
Applicants:
John G. Woods, Farmington, CT (US);
Susanne D. Morrill, West Hartford, CT (US);
Anthony F. Jacobine, Meriden, CT (US);
Inventors:
John G. Woods, Farmington, CT (US);
Susanne D. Morrill, West Hartford, CT (US);
Anthony F. Jacobine, Meriden, CT (US);
Assignee:
Henkel Corporation, Rocky Hill, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for hydroxyalkylating terminal carboxylic acid groups. More specifically, this invention provides a process for preparing hydroxyl-functionalized materials, such as butadiene nitrile polymers, from carboxylic acid-functionalized materials, such as butadiene nitrile polymers, using a carbocyclic carbonate, such as ethylene carbonate, or a carbocyclic sulfite, such as ethylene sulfite.