DE1793234B1 - Verfahren zur Herstellung von gegen chemische und physikalische Einfluesse stabilisierter Ascorbinsaeure oder deren Derivaten - Google Patents

Verfahren zur Herstellung von gegen chemische und physikalische Einfluesse stabilisierter Ascorbinsaeure oder deren Derivaten

Info

Publication number
DE1793234B1
DE1793234B1 DE19671793234 DE1793234A DE1793234B1 DE 1793234 B1 DE1793234 B1 DE 1793234B1 DE 19671793234 DE19671793234 DE 19671793234 DE 1793234 A DE1793234 A DE 1793234A DE 1793234 B1 DE1793234 B1 DE 1793234B1
Authority
DE
Germany
Prior art keywords
ascorbic acid
coated
coating
derivatives
production
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
DE19671793234
Other languages
German (de)
English (en)
Inventor
Walter Dr Haas
Hans-Guenther Dr Zeller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of DE1793234B1 publication Critical patent/DE1793234B1/de
Withdrawn legal-status Critical Current

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

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicinal Preparation (AREA)
  • Fodder In General (AREA)
  • Paints Or Removers (AREA)
DE19671793234 1967-06-30 1967-11-11 Verfahren zur Herstellung von gegen chemische und physikalische Einfluesse stabilisierter Ascorbinsaeure oder deren Derivaten Withdrawn DE1793234B1 (de)

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
DE1793234B1 true DE1793234B1 (de) 1972-05-25

Family

ID=4351152

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19671793234 Withdrawn DE1793234B1 (de) 1967-06-30 1967-11-11 Verfahren zur Herstellung von gegen chemische und physikalische Einfluesse stabilisierter Ascorbinsaeure oder deren Derivaten
DE1967H0064432 Pending DE1300555B (de) 1967-06-30 1967-11-11 Stabilisierte Ascorbinsaeure und deren Derivate

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1967H0064432 Pending DE1300555B (de) 1967-06-30 1967-11-11 Stabilisierte Ascorbinsaeure und deren Derivate

Country Status (11)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5853741A (en) * 1996-06-28 1998-12-29 Chesebrough-Pond's Usa 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 (enExample) * 1962-08-16

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE1300555B (de) 1969-08-07
NL150792B (nl) 1976-09-15
AT279036B (de) 1970-02-25
CH509302A (de) 1971-06-30
ES355628A1 (es) 1969-12-16
FR1600826A (en) 1970-08-03
SE354185B (enExample) 1973-03-05
IT954021B (it) 1973-08-30
NL6808139A (enExample) 1968-12-31
GB1161289A (en) 1969-08-13
DK120503B (da) 1971-06-07
BE717214A (enExample) 1968-12-27

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee