Alkenyl methyl hydroxypropyl cellulose ethers and a process for

Details Alkenyl methyl hydroxypropyl cellulose ethers and a process for Alkenyl methyl hydroxypropyl cellulose ethers and a process for

1991-05-06

1992-11-24

Nutter, Nathan M.

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

Organic compounds

Carbohydrates or derivatives

536 90, 536 91, 536 95, 536 99, 536124, C08B 1100, C08B 11193, C08B 1108, C08B 1102

Patent

active

051663325

ABSTRACT:
New alkenyl methyl hydroxypropyl cellulose ethers have an average degree of substitution DS with methyl groups of 1.5 to 2.9, a molar degree of substitution MS with hydroxypropyl groups of 1.4 to 1.9 and an average degree of substitution DS with alkenyl groups of 0.05 to 1.

REFERENCES:
patent: 2082797 (1937-06-01), Hahn
patent: 2398767 (1946-04-01), Burke
patent: 4550161 (1985-10-01), Felcht et al.
patent: 4582899 (1986-04-01), Nakamura

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