Cellulose ethers

Details Cellulose ethers Cellulose ethers

2011-01-11

2011-01-11

Jiang, Shaojia Anna (Department: 1623)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

C536S043000, C536S044000, C536S124000, C514S057000

Reexamination Certificate

active

07868164

ABSTRACT:
A cellulose ether which has from 4,000 to 10,000 anhydroglucose repeat units and is substituted with (a) on the average from 0.0003 to 0.08 moles, per mole of anhydroglucose unit, of a substituent comprising an alkyl or arylalkyl group having from 8 to 24 carbon atoms and (b) a substituent having the formula II wherein R5, R6and R7each independently are —CH3or —C2H5, R8is —CH2—CHOH—CH2— or —CH2CH2, Az−is an anion, and z is 1, 2 or 3 is useful in hair and skin care compositions.

REFERENCES:
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patent: 4228277 (1980-10-01), Landoll
patent: 4663159 (1987-05-01), Brode, II et al.
patent: 4845175 (1989-07-01), Lo
patent: 5407919 (1995-04-01), Brode et al.
patent: 6372901 (2002-04-01), Partain, III et al.
patent: 6489274 (2002-12-01), LeGrow et al.

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