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. 26, 1987
Filed:
Jan. 21, 1986
Applicant:
Inventors:
Yasuhisa Fukumoto, Utsunomiya, JP;
Noboru Moriyama, Utsunomiya, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
524804 ; 524817 ; 524827 ; 524829 ; 524831 ; 5262181 ; 526229 ; 526230 ; 526234 ; 526286 ; 526240 ; 5263031 ; 526310 ; 526311 ; 5263077 ; 5263171 ; 526318 ;
Abstract
A polymaleate having an average molecular weight of 300 to 5000 is obtained by polymerizing a monoalkali metal maleate or monoammonium maleate at 80.degree. to 180.degree. C. in the presence of a polymerization initiator in an aqueous solvent.