Patent ID: 9266971
Filing Date: 2016-02-23
CPC Classification: C04B,C08B,C08L,C09K,C10M,C10N,E21B

Claim Text:
1. A nonionic cellulose ether having hydroxyethyl groups and being further substituted with one or more hydrophobic substituents, wherein the cellulose ether has at least one of the properties a), b) or c): a) a retained dynamic viscosity, % η b) a storage modulus of at least 15 Pascals at 25° C. and a retained storage modulus, % G′ c) a critical association concentration of less than 15 ppm as measured by light-scattering, wherein said hydrophobic substituents are acyclic or cyclic, saturated or unsaturated, branched or linear hydrocarbon groups having at least 8 carbon atoms.