FR1129542A - Perfectionnements concernant la préparation et la stabilisation des hydroquinones - Google Patents

Perfectionnements concernant la préparation et la stabilisation des hydroquinones

Info

Publication number
FR1129542A
FR1129542A FR1129542DA FR1129542A FR 1129542 A FR1129542 A FR 1129542A FR 1129542D A FR1129542D A FR 1129542DA FR 1129542 A FR1129542 A FR 1129542A
Authority
FR
France
Prior art keywords
hydroquinones
stabilization
preparation
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.)
Expired
Application number
Other languages
English (en)
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.)
Gillette Industries Ltd
Original Assignee
Gillette 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 Gillette Industries Ltd filed Critical Gillette Industries Ltd
Application granted granted Critical
Publication of FR1129542A publication Critical patent/FR1129542A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/88—Use of additives, e.g. for stabilisation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • A61K8/347—Phenols
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • A61Q5/10—Preparations for permanently dyeing the hair
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/06—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation
    • C07C37/07—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation with simultaneous reduction of C=O group in that ring
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/52—Stabilizers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Emergency Medicine (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Cosmetics (AREA)
FR1129542D 1954-04-30 1955-04-29 Perfectionnements concernant la préparation et la stabilisation des hydroquinones Expired FR1129542A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1256954A GB773794A (en) 1954-04-30 1954-04-30 Improvements in or relating to the production and/or stabilisation of hydroquinones

Publications (1)

Publication Number Publication Date
FR1129542A true FR1129542A (fr) 1957-01-22

Family

ID=10007067

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1129542D Expired FR1129542A (fr) 1954-04-30 1955-04-29 Perfectionnements concernant la préparation et la stabilisation des hydroquinones

Country Status (2)

Country Link
FR (1) FR1129542A (fr)
GB (1) GB773794A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147625A (en) * 1978-04-26 1979-04-03 Continental Oil Company Method for clarifying discolored trimethylhydroquinone solutions
FR2517200A1 (fr) * 1981-12-02 1983-06-03 Oreal

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106008236A (zh) * 2016-05-19 2016-10-12 岳阳中展科技有限公司 一种无色dmp-30的制备方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147625A (en) * 1978-04-26 1979-04-03 Continental Oil Company Method for clarifying discolored trimethylhydroquinone solutions
FR2517200A1 (fr) * 1981-12-02 1983-06-03 Oreal

Also Published As

Publication number Publication date
GB773794A (en) 1957-05-01

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