DK120503B - Fremgangsmåde til stabilisering af ascorbinsyre og derivater deraf. - Google Patents

Fremgangsmåde til stabilisering af ascorbinsyre og derivater deraf.

Info

Publication number
DK120503B
DK120503B DK279268A DK279268A DK120503B DK 120503 B DK120503 B DK 120503B DK 279268 A DK279268 A DK 279268A DK 279268 A DK279268 A DK 279268A DK 120503 B DK120503 B DK 120503B
Authority
DK
Denmark
Prior art keywords
derivatives
ascorbic acid
stabilizing ascorbic
stabilizing
acid
Prior art date
Application number
DK279268A
Other languages
English (en)
Inventor
W Haas
H Zeller
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 DK120503B publication Critical patent/DK120503B/da

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/365—Lactones
    • A61K31/375—Ascorbic acid, i.e. vitamin C; Salts thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poly(lactide-co-glycolide)
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/62—Three oxygen atoms, e.g. ascorbic acid
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/06—Preparatory processes

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicinal Preparation (AREA)
  • Fodder In General (AREA)
  • Paints Or Removers (AREA)
DK279268A 1967-06-30 1968-06-14 Fremgangsmåde til stabilisering af ascorbinsyre og derivater deraf. DK120503B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH935967A CH509302A (de) 1967-06-30 1967-06-30 Verfahren zur Bildung eines Schutzüberzuges auf einzelnen Teilchen von Ascorbinsäure bzw. Isoascorbinsäure

Publications (1)

Publication Number Publication Date
DK120503B true DK120503B (da) 1971-06-07

Family

ID=4351152

Family Applications (1)

Application Number Title Priority Date Filing Date
DK279268A DK120503B (da) 1967-06-30 1968-06-14 Fremgangsmåde til stabilisering af ascorbinsyre og derivater deraf.

Country Status (11)

Country Link
AT (1) AT279036B (da)
BE (1) BE717214A (da)
CH (1) CH509302A (da)
DE (2) DE1793234B1 (da)
DK (1) DK120503B (da)
ES (1) ES355628A1 (da)
FR (1) FR1600826A (da)
GB (1) GB1161289A (da)
IT (1) IT954021B (da)
NL (1) NL150792B (da)
SE (1) SE354185B (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5750123A (en) * 1996-06-28 1998-05-12 Chesebrough-Pond's Co., Division Of Conopco, Inc. Vitamin C delivery system
ZA971943B (en) * 1996-06-28 1998-09-07 Unilever Plc Vitamin C delivery system
US6087393A (en) 1999-06-10 2000-07-11 Igen, Inc. Stabilized vitamin C formulations
FR3088345B1 (fr) 2018-11-08 2023-09-29 Max Sardou Procede de fabrication de fibres termostable a haute temperature
FR3105735B1 (fr) 2019-12-26 2023-07-07 Oreal Composition comprenant de l’acide ascorbique
FR3117847B1 (fr) 2020-12-18 2023-11-24 Oreal Composition comprenant des gélifiants aqueux, des tensioactifs et de l’acide ascorbique
FR3117803B1 (fr) 2020-12-18 2022-12-09 Oreal Composition comprenant des gélifiants aqueux, un tensioactif et de l’acide ascorbique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1051848B (de) * 1956-10-20 1959-03-05 Merck Ag E Verfahren zur Erhoehung der Bestaendigkeit von fester Ascorbinsaeure
NL296020A (da) * 1962-08-16

Also Published As

Publication number Publication date
AT279036B (de) 1970-02-25
SE354185B (da) 1973-03-05
DE1300555B (de) 1969-08-07
FR1600826A (en) 1970-08-03
DE1793234B1 (de) 1972-05-25
CH509302A (de) 1971-06-30
IT954021B (it) 1973-08-30
ES355628A1 (es) 1969-12-16
GB1161289A (en) 1969-08-13
NL150792B (nl) 1976-09-15
NL6808139A (da) 1968-12-31
BE717214A (da) 1968-12-27

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Legal Events

Date Code Title Description
PUP Patent expired
PBP Patent lapsed