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. 28, 1998
Filed:
Sep. 08, 1997
Applicant:
Inventors:
Assignee:
Wako Pure Chemical Industries, Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526219 ; 5262181 ; 526255 ; 5263171 ; 526319 ; 526341 ; 526346 ; 534588 ; 534595 ;
Abstract
A macro-azo initiator obtained by reacting a compound (A) having an azo group in the molecule and having a reactive functional group at each end of the molecule with a compound (B) having an azo group in the molecule and having at each end of the molecule a functional group reactive with the reactive functional groups of the compound (A), is effective for a polymerization process of one or more vinyl monomers and a production process of a block polymer.