SUSTAINED-RELEASE COMPOSITION

A composition which comprises (A) a plurality of cross-linked polymer particles, said polymer being the polymerization product of at least two monomer units selected from the group consisting of monoalkenyl aromatic compounds, alkyl esters derived from a saturated alcohol and acrylic or methacrylic...

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Main Authors BATRA ASHISH, KOSENSKY LINDA A, ZHANG XIAODONG, NIETER ELKE, SCHILLER KLAUS, MEERBOTE MICHAEL
Format Patent
LanguageEnglish
Published 06.05.2010
Subjects
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Abstract A composition which comprises (A) a plurality of cross-linked polymer particles, said polymer being the polymerization product of at least two monomer units selected from the group consisting of monoalkenyl aromatic compounds, alkyl esters derived from a saturated alcohol and acrylic or methacrylic acid, and vinyl esters of an aliphatic carboxylic acid; and said cross-line polymer particles being loaded with (B) an active ingredient, the weight ratio of the active ingredient (B) to the polymer particles (A) being from 0.05 to 50:1, is useful to release the active ingredient over an extended period of time while controlling sebum on skin and hair.
AbstractList A composition which comprises (A) a plurality of cross-linked polymer particles, said polymer being the polymerization product of at least two monomer units selected from the group consisting of monoalkenyl aromatic compounds, alkyl esters derived from a saturated alcohol and acrylic or methacrylic acid, and vinyl esters of an aliphatic carboxylic acid; and said cross-line polymer particles being loaded with (B) an active ingredient, the weight ratio of the active ingredient (B) to the polymer particles (A) being from 0.05 to 50:1, is useful to release the active ingredient over an extended period of time while controlling sebum on skin and hair.
Author BATRA ASHISH
SCHILLER KLAUS
KOSENSKY LINDA A
NIETER ELKE
ZHANG XIAODONG
MEERBOTE MICHAEL
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– fullname: MEERBOTE MICHAEL
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Snippet A composition which comprises (A) a plurality of cross-linked polymer particles, said polymer being the polymerization product of at least two monomer units...
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SubjectTerms HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
Title SUSTAINED-RELEASE COMPOSITION
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