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:
May. 28, 2024
Filed:
Nov. 06, 2019
Applicant:
Denka Company Limited, Tokyo, JP;
Inventors:
Wataru Nishino, Itoigawa, JP;
Suguru Onuki, Itoigawa, JP;
Atsunori Kondo, Itoigawa, JP;
Yuhei Ishigaki, Itoigawa, JP;
Naoki Kobayashi, Itoigawa, JP;
Assignee:
Denka Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 236/18 (2006.01); C08F 220/44 (2006.01); B29C 35/02 (2006.01);
U.S. Cl.
CPC ...
C08F 236/18 (2013.01); C08F 220/44 (2013.01); B29C 35/02 (2013.01); B29K 2011/00 (2013.01);
Abstract
A chloroprene-unsaturated nitrile copolymer having 3 to 20% by mass of a structural unit derived from an unsaturated nitrile monomer, in which the chloroprene-unsaturated nitrile copolymer has a peak at 5.80 to 6.00 ppm in a 1H-NMR spectrum as measured in a deuterochloroform solvent, and a ratio (A/B) of a peak area (A) at 5.80 to 6.00 ppm and a peak area (B) at 4.05 to 6.20 ppm is 0.6/100 to 1.1/100.