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:
Jun. 18, 1996
Filed:
Jan. 10, 1995
Applicant:
Inventors:
Takuya Maeda, Hyogo, JP;
Hideo Kawachi, Hyogo, JP;
Masanobu Tamura, Hyogo, JP;
Shun Wachi, Hyogo, JP;
Assignee:
Kanagafuchi Kagaku Kogyo Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
5263487 ; 526 89 ; 526204 ; 526215 ; 526216 ; 526217 ; 526222 ; 526236 ; 526279 ; 526339 ; 526135 ;
Abstract
An isobutylene is polymerized in the presence of an aromatic initiator and a catalyst under the conditions that either a chlorinated hydrocarbon or an aromatic hydrocarbon is used singly or in admixture with an aliphatic hydrocarbon so that the reaction solution has a dielectric constant of 1 to 5 and a solubility parameter of 7.5 to 9.0.