CA2195857C - Depot de materiaux sur des surfaces a l'aide de particules porteuses zwitterioniques - Google Patents

Depot de materiaux sur des surfaces a l'aide de particules porteuses zwitterioniques Download PDF

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Publication number
CA2195857C
CA2195857C CA002195857A CA2195857A CA2195857C CA 2195857 C CA2195857 C CA 2195857C CA 002195857 A CA002195857 A CA 002195857A CA 2195857 A CA2195857 A CA 2195857A CA 2195857 C CA2195857 C CA 2195857C
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CA
Canada
Prior art keywords
particles
cationic
composition
composition according
zwitterionic
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
CA002195857A
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English (en)
Other versions
CA2195857A1 (fr
Inventor
Ponisseril Somasundaran
Kavssery Parameswaran Ananthapadmanabhan
Mitsuko Fujiwara
Liang Sheng Tsaur
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.)
Unilever PLC
Original Assignee
Unilever PLC
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
Priority claimed from US08/285,270 external-priority patent/US5476660A/en
Application filed by Unilever PLC filed Critical Unilever PLC
Publication of CA2195857A1 publication Critical patent/CA2195857A1/fr
Application granted granted Critical
Publication of CA2195857C publication Critical patent/CA2195857C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Medicinal Preparation (AREA)

Abstract

Compositions destinées à déposer une substance active sur une surface cible (par exemple la peau, les cheveux), cette substance active restant sur la surface après rinçage de celle-ci pour enlever le produit. Des compositions de dépôt préférées comprennent une substance active anionique ou non ionique en présence d'un tensioactif anionique et contiennent des particules porteuses possédant une surface cationique ou zwitterionique ainsi qu'une pluralité de filaments saillant vers l'extérieur et contenant des groupes d'organocarbyle chargé. Le principe actif est contenu dans les particules porteuses.
CA002195857A 1994-08-03 1995-07-08 Depot de materiaux sur des surfaces a l'aide de particules porteuses zwitterioniques Expired - Lifetime CA2195857C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/285270 1994-08-03
US08/285,270 US5476660A (en) 1994-08-03 1994-08-03 Deposition of materials to surfaces using zwitterionic carrier particles
PCT/EP1995/002711 WO1996003972A1 (fr) 1994-08-03 1995-07-08 Depot de materiaux sur des surfaces a l'aide de particules porteuses zwitterioniques

Publications (2)

Publication Number Publication Date
CA2195857A1 CA2195857A1 (fr) 1996-02-15
CA2195857C true CA2195857C (fr) 2006-03-14

Family

ID=36095712

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002195857A Expired - Lifetime CA2195857C (fr) 1994-08-03 1995-07-08 Depot de materiaux sur des surfaces a l'aide de particules porteuses zwitterioniques

Country Status (1)

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CA (1) CA2195857C (fr)

Also Published As

Publication number Publication date
CA2195857A1 (fr) 1996-02-15

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Effective date: 20150708