Anionic surfactants

Details Anionic surfactants Anionic surfactants

2005-02-22

2005-02-22

Mruk, Brian P. (Department: 1751)

Cleaning compositions for solid surfaces, auxiliary compositions

Auxiliary compositions for cleaning, or processes of preparing

Surfactant composition for cleaning agents

C510S361000, C510S426000, C510S475000, C510S494000, C524S713000, C524S745000, C524S760000, C524S776000

Reexamination Certificate

active

06858573

ABSTRACT:
An anionic surfactant of the formula (I): R2—Y—(O)C—(HR)C—C(HR1)—C(O)—(OA)n—X wherein one of R and R1is a C6to C22linear or branched alkyl or alkenyl, and the other is hydrogen; Y is O, or NH, or —NH—CH2—C(═CH2)—, or —N(CH2—CR3(═CH2))—CH2—C(═CH2)— where R3is hydrogen or methyl; when Y is O, R2is hydrogen, or a salt, or a C1to C6linear or branched alkyl, or an optionally substituted C3to C10linear or branched alkenyl; when Y is NH, or —NH—CH2—(═CH2)—, or —N(CH2—CR3(═CH2))—CH2—C(═CH2)— where R3is hydrogen or methyl, R2is hydrogen or methyl; OA is an oxyalkylene group; n is 2 to 100; and X is a group comprising at least one acidic H atom, or a salt thereof, and the use thereof in free radical initiated addition polymerisation, particularly emulsion polymerisation.

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patent: WO 0105224 (2001-01-01), None
patent: WO 0126791 (2001-04-01), None

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