DK191689D0 - PROCEDURE FOR CLEANING 2-KETO-L-GULONIC ACID - Google Patents

PROCEDURE FOR CLEANING 2-KETO-L-GULONIC ACID

Info

Publication number
DK191689D0
DK191689D0 DK191689A DK191689A DK191689D0 DK 191689 D0 DK191689 D0 DK 191689D0 DK 191689 A DK191689 A DK 191689A DK 191689 A DK191689 A DK 191689A DK 191689 D0 DK191689 D0 DK 191689D0
Authority
DK
Denmark
Prior art keywords
keto
cleaning
procedure
gulonic acid
gulonic
Prior art date
Application number
DK191689A
Other languages
Danish (da)
Other versions
DK174267B1 (en
DK191689A (en
Inventor
Masahiko Tsuda
Kimio Iwai
Original Assignee
Takeda Chemical Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Publication of DK191689D0 publication Critical patent/DK191689D0/en
Publication of DK191689A publication Critical patent/DK191689A/en
Application granted granted Critical
Publication of DK174267B1 publication Critical patent/DK174267B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
DK191689A 1988-04-29 1989-04-20 Process for purifying 2-keto-L-gulonic acid DK174267B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10673188 1988-04-29
JP10673188 1988-04-29

Publications (3)

Publication Number Publication Date
DK191689D0 true DK191689D0 (en) 1989-04-20
DK191689A DK191689A (en) 1989-10-30
DK174267B1 DK174267B1 (en) 2002-10-28

Family

ID=14441080

Family Applications (1)

Application Number Title Priority Date Filing Date
DK191689A DK174267B1 (en) 1988-04-29 1989-04-20 Process for purifying 2-keto-L-gulonic acid

Country Status (4)

Country Link
JP (1) JP2704201B2 (en)
DE (1) DE3914067B4 (en)
DK (1) DK174267B1 (en)
GB (1) GB2217714B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK171869B1 (en) * 1985-10-22 1997-07-21 Takeda Chemical Industries Ltd Process for preparing 2-keto-L-gulonic acid and biologically pure microorganism culture for use in the process

Also Published As

Publication number Publication date
DK174267B1 (en) 2002-10-28
DE3914067A1 (en) 1989-11-16
DK191689A (en) 1989-10-30
JPH0228132A (en) 1990-01-30
GB2217714A (en) 1989-11-01
GB2217714B (en) 1991-12-11
DE3914067B4 (en) 2004-06-09
GB8909882D0 (en) 1989-06-14
JP2704201B2 (en) 1998-01-26

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed

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