Title:
Nε-LONG CHAIN ACYLIDINE CRYSTAL PRODUCTION METHOD AND COMPOSITION CONTAINING SAID CRYSTALS
Document Type and Number:
WIPO Patent Application WO/2020/262367
Kind Code:
A1
Abstract:
An unground Nε-long chain acylidine crystal production method that includes: preparing a solution having at least one type of Nε-long chain acylidine dissolved in an acidic or basic solvent including water and/or one type selected from water-soluble organic solvents; dipping the solution into an acidic solution having a pH of at least 0.2 and less than 2.0, at a temperature of no more than 20°C; and crystallizing Nε-long chain acylidine crystals.
Inventors:
SHUVENDU BISWAS (JP)
YAMATO NAOYA (JP)
YAMATO NAOYA (JP)
Application Number:
PCT/JP2020/024572
Publication Date:
December 30, 2020
Filing Date:
June 23, 2020
Export Citation:
Assignee:
AJINOMOTO KK (JP)
International Classes:
C07C231/24; A61K8/44; A61K47/18; A61Q1/02; A61Q1/04; A61Q1/10; A61Q1/12; A61Q5/02; A61Q19/00; A61Q19/10; C07C233/47
Domestic Patent References:
| WO2001014317A1 | 2001-03-01 | |||
| WO2011025252A2 | 2011-03-03 |
Foreign References:
| JPH01242563A | 1989-09-27 | |||
| JPH09323914A | 1997-12-16 | |||
| JP2008214341A | 2008-09-18 | |||
| JPS6317972A | 1988-01-25 | |||
| JPS6110503A | 1986-01-18 | |||
| JP2010242026A | 2010-10-28 | |||
| JPH09323914A | 1997-12-16 | |||
| JPS4826049B1 | 1973-08-04 | |||
| JPH08337519A | 1996-12-24 | |||
| JPH0463844B2 | 1992-10-13 | |||
| JPS6110503A | 1986-01-18 |
Other References:
See also references of EP 3992175A4
Attorney, Agent or Firm:
TANAKA Shinichiro et al. (JP)
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