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:
May. 21, 1996
Filed:
May. 11, 1994
Applicant:
Inventors:
Robert K Pinschmidt, Jr, Allentown, PA (US);
Khalil Yacoub, Allentown, PA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
515353 ; 5253282 ; 525368 ; 525369 ;
Abstract
Amine functional polymers are prepared by polymerization of vinylamides with vinyl ester monomers. The resultant polymers are hydrolyzed under acid conditions and subsequently at least partially basified to the free-base amine. Byproduct salts are removed by precipitation or by extraction into an immiscible phase. The polymers made by this method are crosslinkable through reaction of the amine groups and are useful in high performance coatings, adhesives, binders and the like.