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:
Nov. 17, 2015
Filed:
Jan. 14, 2015
Applicant:
Shin-etsu Chemical Co., Ltd., Tokyo, JP;
Inventors:
Yuji Harada, Joetsu, JP;
Yuki Suka, Joetsu, JP;
Osamu Watanabe, Joetsu, JP;
Takeru Watanabe, Joetsu, JP;
Assignee:
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 213/02 (2006.01); C07C 213/10 (2006.01); C07C 29/70 (2006.01); C07C 253/30 (2006.01); C08G 65/322 (2006.01); C08G 65/333 (2006.01); C07C 29/60 (2006.01);
U.S. Cl.
CPC ...
C07C 213/02 (2013.01); C07C 29/60 (2013.01); C07C 29/70 (2013.01); C07C 29/705 (2013.01); C07C 213/10 (2013.01); C07C 253/30 (2013.01); C08G 65/322 (2013.01); C08G 65/333 (2013.01);
Abstract
A method for producing a narrow molecular weight distribution polyalkylene glycol derivative having an amino group at an end under mild conditions. A method for producing a compound of the general formula (1): CHO(CHCHO)CHCHCHNH(wherein n is an integer of 1 to 450) comprises the following steps of: