Saccharide residue-functional organopolysiloxanes and method...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...

Reexamination Certificate

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C525S474000

Reexamination Certificate

active

10494626

ABSTRACT:
A saccharide residue-functional organopolysiloxane containing at least two monosaccharide or polysaccharide groups per molecule in which a specific site on the monosaccharide or polysaccharide is bonded to silicon through a thioether bond. Also, a method of preparing the saccharide residue-functional organopolysiloxane, comprising condensing a saccharide residue-functional metal thiolate compound wherein the metal is an alkali metal atom or alkaline-earth metal atom, and an organopolysiloxane containing groups having the formula —R2Q wherein R2is C2to C10alkylene, and Q is a group selected from halogen atoms, C1to C10alkylsulfonate groups, and C6to C20arylsulfonate groups.

REFERENCES:
patent: 6218560 (2001-04-01), Abele et al.
patent: SHO62-68820 (1987-03-01), None
patent: HEI5-186596 (1993-07-01), None
patent: HEI8-134103 (1996-05-01), None
patent: HEI11-92490 (1999-04-01), None

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