ES2126867T3 - Metodo de formacion de particulas que emplea un fluido supercritico, particulas de aerogel asi formadas y antisudorantes que contienen particulas de aerogel. - Google Patents

Metodo de formacion de particulas que emplea un fluido supercritico, particulas de aerogel asi formadas y antisudorantes que contienen particulas de aerogel.

Info

Publication number
ES2126867T3
ES2126867T3 ES95901125T ES95901125T ES2126867T3 ES 2126867 T3 ES2126867 T3 ES 2126867T3 ES 95901125 T ES95901125 T ES 95901125T ES 95901125 T ES95901125 T ES 95901125T ES 2126867 T3 ES2126867 T3 ES 2126867T3
Authority
ES
Spain
Prior art keywords
species
aerogel particles
supercritical fluid
particulate
solvent system
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 - Lifetime
Application number
ES95901125T
Other languages
English (en)
Inventor
Stephane Fabrice Rouanet
William Edward Mcgovern
Wanqing Cao
Irving M Klotz
Angel L Carrillo
John M Moses
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 Co LLC
Original Assignee
Gillette Co LLC
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 Co LLC filed Critical Gillette Co LLC
Application granted granted Critical
Publication of ES2126867T3 publication Critical patent/ES2126867T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q15/00Anti-perspirants or body deodorants
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/02Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04Dispersions; Emulsions
    • A61K8/042Gels
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/26Aluminium; Compounds thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/0091Preparation of aerogels, e.g. xerogels

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Birds (AREA)
  • Dispersion Chemistry (AREA)
  • Epidemiology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Cosmetics (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Silicon Compounds (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Colloid Chemistry (AREA)

Abstract

SE DESCRIBEN UN METODO PARA LA PRODUCCION DE AEROGELES Y LOS AEROGELES PRODUCIDOS SEGUN EL METODO. EN UN ASPECTO DE LA INVENCION SE DESCRIBEN COMPUESTOS CONTRA LA TRANSPIRACION EN FORMA DE AEROGEL Y COMPOSICIONES CONTRA LA TRANSPIRACION Y DESODORANTES QUE INCLUYEN TALES SALES. EL METODO CONSISTE EN PONER EN CONTACTO UNA SOLUCION QUE CONTENGA EL MATERIAL A TRATAR CON UNA ESPECIE SELECCIONADA DE MODO QUE SEA CAPAZ DE PRECIPITAR EL MATERIAL Y SELECCIONADA DE MODO QUE SE PUEDA MEZCLAR CON EL SISTEMA DISOLVENTE DE LA SOLUCION. UNA VEZ PRECIPITADO EL MATERIAL, ESTE SE PUEDE LAVAR CON LA ESPECIE DE PRECIPITACION HASTA ELIMINAR SUSTANCIALMENTE TODO EL SISTEMA DISOLVENTE. A CONTINUACION SE LLEVA A LA ESPECIE DE PRECIPITACION QUE CONTIENE EL PRECIPITADO DEL MATERIAL A UN PUNTO SUPERIOR A SU PUNTO CRITICO, Y EL FLUIDO SUPERCRITICO SE EVACUA A UNA TEMPERATURA SUPERIOR A SU TEMPERATURA CRITICA. ALTERNATIVAMENTE SE INTRODUCE UNA ESPECIE AISLANTE DISTINTA PARA DESPLAZAR LA ESPECIE DE PRECIPITACION, O LA MEZCLA DE ESPECIE DE PRECIPITACION Y SISTEMA DISOLVENTE. A CONTINUACION SE LLEVA A LA ESPECIE AISLANTE A UN PUNTO SUPERIOR A SU PUNTO CRITICO Y SE EVACUA A UNA TEMPERATURA SUPERIOR A SU TEMPERATURA CRITICA. EN LA INVENCION TAMBIEN SE PRESENTAN PROCEDIMIENTOS POR LOTES Y CONTINUOS.
ES95901125T 1993-11-08 1994-11-07 Metodo de formacion de particulas que emplea un fluido supercritico, particulas de aerogel asi formadas y antisudorantes que contienen particulas de aerogel. Expired - Lifetime ES2126867T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14919093A 1993-11-08 1993-11-08
US33328994A 1994-11-02 1994-11-02

Publications (1)

Publication Number Publication Date
ES2126867T3 true ES2126867T3 (es) 1999-04-01

Family

ID=26846536

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95901125T Expired - Lifetime ES2126867T3 (es) 1993-11-08 1994-11-07 Metodo de formacion de particulas que emplea un fluido supercritico, particulas de aerogel asi formadas y antisudorantes que contienen particulas de aerogel.

Country Status (13)

Country Link
US (2) US5725836A (es)
EP (2) EP0868942A1 (es)
JP (1) JPH09508055A (es)
CN (1) CN1139390A (es)
AT (1) ATE175589T1 (es)
AU (1) AU688820B2 (es)
BR (1) BR9408015A (es)
CA (1) CA2175814C (es)
DE (1) DE69415998T2 (es)
ES (1) ES2126867T3 (es)
NZ (1) NZ276277A (es)
PL (1) PL314294A1 (es)
WO (1) WO1995013132A1 (es)

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Also Published As

Publication number Publication date
CA2175814C (en) 2000-01-04
AU688820B2 (en) 1998-03-19
EP0868942A1 (en) 1998-10-07
DE69415998T2 (de) 1999-08-12
PL314294A1 (en) 1996-09-02
US5725836A (en) 1998-03-10
NZ276277A (en) 1998-04-27
ATE175589T1 (de) 1999-01-15
CA2175814A1 (en) 1995-05-18
WO1995013132A1 (en) 1995-05-18
AU1048795A (en) 1995-05-29
EP0728037A1 (en) 1996-08-28
DE69415998D1 (de) 1999-02-25
BR9408015A (pt) 1996-12-17
CN1139390A (zh) 1997-01-01
US5864923A (en) 1999-02-02
EP0728037B1 (en) 1999-01-13
JPH09508055A (ja) 1997-08-19

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