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. 21, 1992
Filed:
Jan. 09, 1990
Applicant:
Inventors:
William E Fristad, Santa Rosa, CA (US);
Alan G Olivero, Santa Rosa, CA (US);
Steven Young, Petaluma, CA (US);
Christopher S Sykes, Santa Rosa, CA (US);
Brock M Siegel, Santa Rosa, CA (US);
Assignee:
Henkel Research Corporation, Santa Rosa, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08H / ; C08H / ;
U.S. Cl.
CPC ...
554213 ; 560202 ; 562590 ; 562595 ; 562887 ; 568679 ; 568680 ; 568902 ;
Abstract
Oligomers and addition products obtained from the reaction of a saturated or olefinically unsaturated carboxylic acid, alcohol, ether, or ester with a substituted or unsubstituted acetic anhydride in the presence of a Mn compound, and processes for their preparation.