KOSMETISCHES MITTEL AUF DER BASIS VON N-HYDROXYPROPYLISOPROPYLETHERCHITOSANEN, SOWIE NEUE N-HYDROXYPROPYLISOPROPYLETHERDERIVATE DES CHITOSANS
PCT No. PCT/EP87/00774 Sec. 371 Date Jul. 29, 1988 Sec. 102(e) Date Jul. 29, 1988 PCT Filed Dec. 12, 1987 PCT Pub. No. WO88/05790 PCT Pub. Date Aug. 11, 1988.The present invention relates to a cosmetic for the treatment of hair and skin which is characterized by a content of novel N-hydroxy-propyl-i...
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Main Authors | , , |
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Format | Patent |
Language | German |
Published |
18.08.1988
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Edition | 4 |
Subjects | |
Online Access | Get full text |
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Summary: | PCT No. PCT/EP87/00774 Sec. 371 Date Jul. 29, 1988 Sec. 102(e) Date Jul. 29, 1988 PCT Filed Dec. 12, 1987 PCT Pub. No. WO88/05790 PCT Pub. Date Aug. 11, 1988.The present invention relates to a cosmetic for the treatment of hair and skin which is characterized by a content of novel N-hydroxy-propyl-isopropyl ether chitosans consisting of (a) 4 to 40 mole percent of monomer units having the formula (I) (I) and (b) 60 to 96 mole percent of monomer units having the formula (II) (II) wherein R1 and R2 are identical or different and represent hydrogen or the group wherein n equals 1 or 2, with the condition that in at least half the units having the formula (II) R1 and R2 do not simultaneously represent hydrogen. The present invention also relates to novel N-hydroxy-propyl-isopropyl ether chitosans. |
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Bibliography: | Application Number: DE19873703760 |