ES477351A1 - Procedimiento de conservacion de composicion a base de dis- persiones acuosas de esferillas llamadas liposomas. - Google Patents

Procedimiento de conservacion de composicion a base de dis- persiones acuosas de esferillas llamadas liposomas.

Info

Publication number
ES477351A1
ES477351A1 ES477351A ES477351A ES477351A1 ES 477351 A1 ES477351 A1 ES 477351A1 ES 477351 A ES477351 A ES 477351A ES 477351 A ES477351 A ES 477351A ES 477351 A1 ES477351 A1 ES 477351A1
Authority
ES
Spain
Prior art keywords
spherules
aqueous dispersions
storage stability
storage
aqueous
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
ES477351A
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.)
LOreal SA
Original Assignee
LOreal SA
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 LOreal SA filed Critical LOreal SA
Publication of ES477351A1 publication Critical patent/ES477351A1/es
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/14—Liposomes; Vesicles
    • 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
    • A61K8/64—Proteins; Peptides; Derivatives or degradation products thereof
    • A61K8/66—Enzymes
    • 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
    • A61K9/10—Dispersions; Emulsions
    • A61K9/127—Liposomes
    • A61K9/1271—Non-conventional liposomes, e.g. PEGylated liposomes, liposomes coated with polymers
    • A61K9/1272—Non-conventional liposomes, e.g. PEGylated liposomes, liposomes coated with polymers with substantial amounts of non-phosphatidyl, i.e. non-acylglycerophosphate, surfactants as bilayer-forming substances, e.g. cationic lipids
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q15/00—Anti-perspirants or body deodorants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S424/00—Drug, bio-affecting and body treating compositions
    • Y10S424/812—Liposome comprising an antibody, antibody fragment, antigen, or other specific or nonspecific immunoeffector

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Birds (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Medicinal Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Dermatology (AREA)
  • Medicinal Preparation (AREA)
  • Cosmetics (AREA)
  • Manufacturing Of Micro-Capsules (AREA)

Abstract

Procedimiento de conservación de composición a base de dispersiones acuosas de esferillas llamadas "liposomas"" , constituidas pro capas moleculares organizadas, entre las cuales se encapsula una fase acuosa, que incluye por lo menos una sustancia activa, estando estas capas constituidas por al menos un compuesto lipídico que tiene por fórmula general = X------------- ----Y fórmula en la cual Y representa un grupo lipófilo y X representa un grupo hidrófilo iónico o no iónico, estando el diámetro de las esferilla comprendido entre 100 y 50000 A, caracterizado dicho procedimiento por el hecho de que en primer lugar, se prepara en segundo lugar, se somete la mencionada dispersión a una liofilización , con el fin de obtener una pasta o un sólido, y porque en tercer lugar, poco antes de la utilización de la composición, se re- hidrata el liofilizado para regenerar la composición inicial.
ES477351A 1978-02-02 1979-01-31 Procedimiento de conservacion de composicion a base de dis- persiones acuosas de esferillas llamadas liposomas. Expired ES477351A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7802927A FR2416008A1 (fr) 1978-02-02 1978-02-02 Lyophilisats de liposomes

Publications (1)

Publication Number Publication Date
ES477351A1 true ES477351A1 (es) 1979-12-16

Family

ID=9204131

Family Applications (1)

Application Number Title Priority Date Filing Date
ES477351A Expired ES477351A1 (es) 1978-02-02 1979-01-31 Procedimiento de conservacion de composicion a base de dis- persiones acuosas de esferillas llamadas liposomas.

Country Status (8)

Country Link
US (1) US4247411A (es)
BE (1) BE873865A (es)
DE (2) DE2954558C2 (es)
ES (1) ES477351A1 (es)
FR (1) FR2416008A1 (es)
GB (1) GB2013609B (es)
IT (1) IT1119264B (es)
NL (1) NL7900822A (es)

Families Citing this family (234)

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US4247411A (en) 1981-01-27
GB2013609A (en) 1979-08-15
BE873865A (fr) 1979-08-01
DE2904047C2 (es) 1990-04-19
IT7967217A0 (it) 1979-02-01
FR2416008B1 (es) 1981-06-26
IT1119264B (it) 1986-03-10
FR2416008A1 (fr) 1979-08-31
DE2904047A1 (de) 1979-09-13
GB2013609B (en) 1982-12-08
DE2954558C2 (es) 1990-05-17
NL7900822A (nl) 1979-08-06

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