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:
Mar. 14, 1989
Filed:
May. 12, 1987
Applicant:
Inventors:
Assignee:
Nitto Boseki Co., Ltd., Fukushima, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
5262181 ; 526193 ; 526204 ; 526219 ; 5262191 ; 526295 ; 526310 ;
Abstract
A monoallylamine-diallylamine derivative copolymer with a high degree of polymerization can be obtained in a high yield by using a radical initiator containing an azo group and a group having cationic nitrogen atom in the molecule.