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:
Aug. 25, 1992
Filed:
Dec. 14, 1989
Applicant:
Inventors:
Assignee:
Nippon Oil and Fats Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
536 183 ; 526271 ; 5263183 ; 5253278 ; 106823 ;
Abstract
A copolymer of (a) a polyoxyalkylene alkenyl ether represented by formula (I): ##STR1## wherein Z is a residue of a compound having from 2 to 8 hydroxyl groups; AO is an oxyalkylene group having from 2 to 18 carbon atoms; R is an alkenyl group having from 2 to 18 carbon atoms; R.sup.1 is a hydrocarbon group having from 1 to 40 carbon atoms; a.gtoreq.0; b.ltoreq.0; c.ltoreq.0; l.ltoreq.1; m.ltoreq.0; z.ltoreq.0; l+m+n=2 to 8; al+bm+cn=1 to 100; and n/(l+m+n).ltoreq.1/3, and (b) a maleic ester of a compound represented by formula (II):