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:
Jan. 20, 1976
Filed:
Jul. 24, 1974
Chojiro Kitagawa, Tokyo, JA;
Ichiro Fukuoka, Tokyo, JA;
Takashi Kadowaki, Niigata, JA;
Shoji Kimura, Machida, JA;
Takehiko Nishimura, Tokyo, JA;
Kanehisa Hanabusa, Niigata, JA;
Denki Kagaku Kogyo Kabushiki Kaisha, Tokyo, JA;
Abstract
A toluene-insoluble gel polymer having a crosslinking density of at least 2.4 .times. 10.sup.-.sup.6 obtained by polymerizing chloroprene or a mixture of chloroprene with a small amount of at least one copolymerizable monomer to a monomer conversion of at least 80 percent in the presence of a crosslinking agent selected from the group consisting of a compound represented by the following formula: ##EQU1## wherein n is integer of from 1 to 8, ##EQU2## wherein n is integer of from 2 to 4, divinylbenzene and diallyl phthalate and a process for the preparation thereof.