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. 28, 1990
Filed:
May. 19, 1987
Applicant:
Inventors:
Toshitsugu Arai, Sayama, JP;
Susumu Kawase, Sayama, JP;
Assignee:
Soken Kagaku Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525286 ; 525262 ; 525265 ;
Abstract
A process for producing a hydrophilic group-containing macromonomer having an ethylenically unsaturated group at the end thereof comprising reacting a hydrophilic group-containing polymer having a carboxyl group at the end thereof, with an ethylenically unsaturated group-containing epoxy compound in the presence of a hydrophilic organic solvent. According to the process of the present invention, there is provided a process for producing a hydrophilic group-containing macromonomer having an ethylenically unsaturated group at the end thereof which has been not known in the prior art.