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. 12, 2016
Filed:
Mar. 07, 2012
Applicants:
Toshihiko Nakagawa, Ichihara, JP;
Hiroshi Takeuchi, Ichihara, JP;
Kuniaki Sato, Ichihara, JP;
Satoshi Yamasaki, Chiba, JP;
Inventors:
Toshihiko Nakagawa, Ichihara, JP;
Hiroshi Takeuchi, Ichihara, JP;
Kuniaki Sato, Ichihara, JP;
Satoshi Yamasaki, Chiba, JP;
Assignee:
Mitsui Chemicals, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/73 (2006.01); C07C 265/04 (2006.01); C07C 263/10 (2006.01); C07C 265/14 (2006.01); C08G 18/48 (2006.01); C08G 18/62 (2006.01); C08G 18/75 (2006.01); C08G 18/79 (2006.01); C08G 18/02 (2006.01); C08G 18/10 (2006.01); C08G 18/40 (2006.01); C08G 18/42 (2006.01); C12P 13/00 (2006.01);
U.S. Cl.
CPC ...
C08G 18/73 (2013.01); C07C 263/10 (2013.01); C07C 265/04 (2013.01); C07C 265/14 (2013.01); C08G 18/022 (2013.01); C08G 18/10 (2013.01); C08G 18/4063 (2013.01); C08G 18/4211 (2013.01); C08G 18/4216 (2013.01); C08G 18/4288 (2013.01); C08G 18/4808 (2013.01); C08G 18/4825 (2013.01); C08G 18/4854 (2013.01); C08G 18/6225 (2013.01); C08G 18/755 (2013.01); C08G 18/792 (2013.01); C12P 13/001 (2013.01); C12Y 401/01018 (2013.01);
Abstract
A Pentamethylene diisocyanate is obtained by phosgenating pentamethylenediamine or its salt obtained by a biochemical method, and contains 5 to 400 ppm of a compound represented by the general formula (1) below and a compound represented by the general formula (2) below in total: