Silicone-containing graft copolymers of blockwise structure

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

Reexamination Certificate

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C525S029000, C528S027000

Reexamination Certificate

active

07838603

ABSTRACT:
The invention describes novel silicone-containing graft copolymers and processes for their preparation. In particular, it relates to silicone-containing graft copolymers P, which are obtained by grafting olefinic monomers M onto polyether-containing radicals of polyoxyalkylene-polysiloxane block copolymers S with (AB)nstructure.

REFERENCES:
patent: 4368290 (1983-01-01), Alberts et al.
patent: 4469840 (1984-09-01), Alberts et al.
patent: 4559056 (1985-12-01), Leigh et al.
patent: 5719249 (1998-02-01), Fujita et al.

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