Aqueous composition comprising dispersed esterified cellulose ether

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United States of America Patent

PATENT NO 11142633
APP PUB NO 20180282526A1
SERIAL NO

15764498

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Abstract

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An aqueous composition which is useful for producing coatings and capsule shells comprises a) dispersed particles of an esterified cellulose ether comprising (i) groups of the formula —C(O)—R—COOA or (ii) a combination of aliphatic monovalent acyl groups and groups of the formula —C(O)—R—COOA, wherein R is a divalent hydrocarbon group and A is hydrogen or a cation, and the total degree of ester substitution is more than 0.70, and b) an esterified cellulose ether comprising aliphatic monovalent acyl groups and groups of the formula —C(O)—R—COOH, R being a divalent hydrocarbon group, wherein I) the degree of neutralization of the groups —C(O)—R—COOH is not more than 0.4, II) the total degree of ester substitution is from 0.03 to 0.70, and III) the esterified cellulose ether b) has a solubility in water of at least 2.0 weight percent at 2° C.

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Patent Owner(s)

  • NUTRITION & BIOSCIENCES USA 1, LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brackhagen, Meinolf Walsrode, DE 46 83
Knarr, Matthias Nienburg/Weser, DE 39 62
Petermann, Oliver Hamburg, DE 50 45

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