Hydrolysis resistant organomodified trisiloxane surfactants

Organic compounds -- part of the class 532-570 series – Organic compounds – Silicon containing

Reexamination Certificate

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C556S453000

Reexamination Certificate

active

07935842

ABSTRACT:
Three types of trisiloxane surfactants having the basic formula:in-line-formulae description="In-line Formulae" end="lead"?MDM′in-line-formulae description="In-line Formulae" end="tail"?are described wherein the substituents on the differing M and M′ groups in conjunction with a pendant polyalkylene oxide substituents on the D group to render the surfactant resistant to hydrolysis under either basic or acidic conditions.

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