DK518688A - Fremgangsmaade til fremstilling af riboflavinkrystaller - Google Patents

Fremgangsmaade til fremstilling af riboflavinkrystaller

Info

Publication number
DK518688A
DK518688A DK518688A DK518688A DK518688A DK 518688 A DK518688 A DK 518688A DK 518688 A DK518688 A DK 518688A DK 518688 A DK518688 A DK 518688A DK 518688 A DK518688 A DK 518688A
Authority
DK
Denmark
Prior art keywords
riboflavine
crystals
procedure
preparation
riboflavin
Prior art date
Application number
DK518688A
Other languages
Danish (da)
English (en)
Other versions
DK518688D0 (da
Inventor
Louis Edward Herena
Kuttanchery Anan Ramanarayanan
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of DK518688D0 publication Critical patent/DK518688D0/da
Publication of DK518688A publication Critical patent/DK518688A/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D475/00—Heterocyclic compounds containing pteridine ring systems
    • C07D475/12—Heterocyclic compounds containing pteridine ring systems containing pteridine ring systems condensed with carbocyclic rings or ring systems
    • C07D475/14—Benz [g] pteridines, e.g. riboflavin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism
    • A61P3/02—Nutrients, e.g. vitamins, minerals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nutrition Science (AREA)
  • Hematology (AREA)
  • Obesity (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Diabetes (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
DK518688A 1987-09-18 1988-09-16 Fremgangsmaade til fremstilling af riboflavinkrystaller DK518688A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9843687A 1987-09-18 1987-09-18

Publications (2)

Publication Number Publication Date
DK518688D0 DK518688D0 (da) 1988-09-16
DK518688A true DK518688A (da) 1989-03-19

Family

ID=22269277

Family Applications (1)

Application Number Title Priority Date Filing Date
DK518688A DK518688A (da) 1987-09-18 1988-09-16 Fremgangsmaade til fremstilling af riboflavinkrystaller

Country Status (5)

Country Link
EP (1) EP0307767B1 (de)
JP (1) JP2897180B2 (de)
AT (1) ATE91686T1 (de)
DE (1) DE3882466T2 (de)
DK (1) DK518688A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3927810A1 (de) * 1989-08-23 1991-02-28 Basf Ag Riboflavingranulate
DE4014262A1 (de) * 1990-05-04 1991-11-07 Basf Ag Gut rieselfaehige, nichtstaubende bindemittelfreie riboflavinspruehgranulate oder -mikrogranulate aus reinem riboflavin und ein verfahren zu deren herstellung
CA2282908A1 (en) * 1998-10-19 2000-04-19 F. Hoffmann-La Roche Ag Purification and crystallization process for riboflavin
US6723346B1 (en) * 1999-04-30 2004-04-20 Roche Vitamins Inc. Process for preparing spray granules containing riboflavin
DE10317051A1 (de) 2003-04-11 2004-10-21 Basf Ag Verfahren zur Herstellung von Riboflavin der Modifikation B/C in Granulatform
KR20060063908A (ko) * 2003-07-22 2006-06-12 디에스엠 아이피 어셋츠 비.브이. 리보플라빈의 정제방법
US7355672B2 (en) 2004-10-04 2008-04-08 Asml Netherlands B.V. Method for the removal of deposition on an optical element, method for the protection of an optical element, device manufacturing method, apparatus including an optical element, and lithographic apparatus
JP4637648B2 (ja) * 2005-05-30 2011-02-23 ニチコン株式会社 電解コンデンサの駆動用電解液

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2603633A (en) * 1950-01-26 1952-07-15 Commercial Solvents Corp Crystalline form of riboflavin
US2797215A (en) * 1955-04-28 1957-06-25 Commercial Solvents Corp Production of type a riboflavin crystals
DE3063952D1 (en) * 1979-06-08 1983-08-04 Merck Patent Gmbh Process for the preparation of riboflavin
DE3417944A1 (de) * 1984-05-15 1985-11-21 Basf Ag, 6700 Ludwigshafen Verbessertes verfahren zur herstellung von riboflavin und neue zwischenprodukte fuer dieses verfahren
DE3421714A1 (de) * 1984-06-12 1985-12-12 Basf Ag, 6700 Ludwigshafen Verfahren zur reinigung von riboflavin

Also Published As

Publication number Publication date
DK518688D0 (da) 1988-09-16
EP0307767B1 (de) 1993-07-21
ATE91686T1 (de) 1993-08-15
DE3882466T2 (de) 1993-11-11
EP0307767A1 (de) 1989-03-22
DE3882466D1 (de) 1993-08-26
JPH01102079A (ja) 1989-04-19
JP2897180B2 (ja) 1999-05-31

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment