Cosmetic based on n-hydroxy-propyl-isopropyl ether...

Details Cosmetic based on n-hydroxy-propyl-isopropyl ether... Cosmetic based on n-hydroxy-propyl-isopropyl ether...

C - Chemistry, Metallurgy

08

B

260/219, 167/300

C08B 37/08 (2006.01) A61K 8/73 (2006.01)

Patent

CA 1305060

ABSTRACT OF THE DISCLOSURE 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 chitosanes consisting of a) 4 to 40 mole percent of monomer units having the formula (I) Image (I) and b) 60 to 96 mole percent of monomer units having the formula (II) Image (II), wherein R1 and R2 are identical or different and represent hydro- gen or the group Image , wherein n equals 1 or 2, on the condition that in at least half the units having the formula (II) R1 and R2 do not simultaneously 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 chitosanes.

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