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:
Jul. 12, 1994
Filed:
Apr. 21, 1992
Applicant:
Inventors:
Shohei Inoue, Tokyo, JP;
Takuzo Aida, Kashiwa, JP;
Masakatsu Kuroki, Tokyo, JP;
Tsuyoshi Watanabe, Tokyo, JP;
Chicara Kawamura, Hiratsuka, JP;
Assignee:
Kansai Paint Co., Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F / ; C08F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
526161 ; 526172 ; 526189 ; 526192 ; 526204 ; 526270 ; 526273 ; 526328 ;
Abstract
A living polymerization method in which an organic aluminum compound having a bulky substituent group is used as a cocatalyst in the living polymerization of a (meth)acrylic acid ester, an epoxide or a lactone in the presence of a metal porphyrin complex as a polymerization initiator.