Invention Grant
- Patent Title: 1,4-butanediol-containing composition
- Patent Title (中): 含1,4-丁二醇的组合物
-
Application No.: US14150174Application Date: 2014-01-08
-
Publication No.: US09434706B2Publication Date: 2016-09-06
- Inventor: Yusuke Izawa , Masaru Utsunomiya , Norikazu Konishi , Kouta Tanaka , Takayuki Suzuki , Shinichirou Matsuzono
- Applicant: MITSUBISHI CHEMICAL CORPORATION
- Applicant Address: JP Chiyoda-ku
- Assignee: MITSUBISHI CHEMICAL CORPORATION
- Current Assignee: MITSUBISHI CHEMICAL CORPORATION
- Current Assignee Address: JP Chiyoda-ku
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2011-151716 20110708; JP2011-241572 20111102
- Main IPC: C07C31/20
- IPC: C07C31/20 ; C07D307/08 ; C07C29/94 ; C08G63/183 ; C08G63/78 ; C07D307/02 ; C08K5/20
Abstract:
A 1,4-butanediol (1,4BG)-containing composition having high thermal stability, and having a concentration of 1,4-butanediol of 99.00% by weight or more and not more than 99.99% by weight and 2-pyrrolidone or N-methylpyrrolidone in a concentration, as converted into a nitrogen atom, of from 1.0 to 25 ppm by weight.
Public/Granted literature
- US20140187740A1 1,4-BUTANEDIOL-CONTAINING COMPOSITION Public/Granted day:2014-07-03
Information query
