Title:
1, 3-BUTYLENE GLYCOL PRODUCT
Document Type and Number:
WIPO Patent Application WO/2021/045148
Kind Code:
A1
Abstract:
The present invention provides a high-purity 1, 3-butylene glycol product which is colorless and odorless, and is not susceptible to coloring over time. A 1, 3-butylene glycol product wherein the area ratio of a peak appeared within the relative retention time range of from 2.3 to 2.4 is 1,000 ppm or less if the relative retention time of the peak of 1, 3-butylene glycol is taken as 1.0 in a gas chromatography analysis under specific conditions.
Inventors:
KAJIKAWA YASUTERU (JP)
NAKANISHI TETSURO (JP)
HIRAI YUUICHIROU (JP)
ONO KEISUKE (JP)
UMEHARA MIDORI (JP)
TESHIMA YUKI (JP)
NAKANISHI TETSURO (JP)
HIRAI YUUICHIROU (JP)
ONO KEISUKE (JP)
UMEHARA MIDORI (JP)
TESHIMA YUKI (JP)
Application Number:
PCT/JP2020/033416
Publication Date:
March 11, 2021
Filing Date:
September 03, 2020
Export Citation:
Assignee:
DAICEL CORP (JP)
International Classes:
C07C29/141; A61K8/34; A61Q19/00; C07C29/80; C07C31/20
Domestic Patent References:
| WO2000007969A1 | 2000-02-17 | |||
| WO2000007969A1 | 2000-02-17 |
Foreign References:
| JP2001213825A | 2001-08-07 | |||
| JP2007517882A | 2007-07-05 | |||
| JP2003096006A | 2003-04-03 | |||
| JPS62246529A | 1987-10-27 | |||
| JPS6165834A | 1986-04-04 | |||
| JP2019162351A | 2019-09-26 | |||
| JP2019162352A | 2019-09-26 | |||
| JP2020001084A | 2020-01-09 | |||
| JPH07258129A | 1995-10-09 | |||
| JP2001213822A | 2001-08-07 | |||
| JP2001213824A | 2001-08-07 | |||
| JP2001213825A | 2001-08-07 | |||
| JP2001213828A | 2001-08-07 |
Other References:
See also references of EP 4026825A4
Attorney, Agent or Firm:
GOTO & CO. (JP)
Download PDF:
Previous Patent: ENCODING DEVICE, DECODING DEVICE, ENCODING METHOD, AND DECODING METHOD
Next Patent: 1, 3-BUTYLENE GLYCOL PRODUCT
Next Patent: 1, 3-BUTYLENE GLYCOL PRODUCT