KOSMETISCHE MITTEL AUF DER BASIS VON NHYDROXYPROPYLCHITOSANEN, NEUE N-HYDROXYPROPYLCHITOSANE SOWIE VERFAHREN ZU IHRER HERSTELLUNG

Cosmetic compositions are disclosed, for the treatment of skin or hair, with a content of new N-hydroxypropyl-chitosan derivatives, composed of (a) 4 to 40 Mol-% units of Formula (I) (I) and (b) 60 to 96 Mol-% units of Formula (II) (II) wherein R1 and R2 are the same or different and are each hydrog...

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Bibliographic Details
Main Authors MARESCH, GERHARD, LANG, GUENTHER, KONRAD, EUGEN, TITZE, HANS-JUERGEN, LENZ, HANS-RUDI, WENDEL, HARALD
Format Patent
LanguageGerman
Published 15.08.1990
Edition5
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
DERIVATIVES THEREOF
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
POLYSACCHARIDES
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:Cosmetic compositions are disclosed, for the treatment of skin or hair, with a content of new N-hydroxypropyl-chitosan derivatives, composed of (a) 4 to 40 Mol-% units of Formula (I) (I) and (b) 60 to 96 Mol-% units of Formula (II) (II) wherein R1 and R2 are the same or different and are each hydrogen or the group with n being equal to an integer from 1 to 5, with the proviso that in at least 50% of the units (II), R1 and R2 are not simultaneously hydrogen, or the salts thereof; along with new N-hydroxypropyl-chitosan derivatives and their salts as well a a process for the production of these new compounds from propylene oxide and chitosan.
Bibliography:Application Number: AT19860114785T