Method for isolating polyorganosiloxanes

Details Method for isolating polyorganosiloxanes Method for isolating polyorganosiloxanes

2005-08-30

2005-08-30

Peng, Kuo-Liang (Department: 1712)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Treating polymer containing material or treating a solid...

C528S487000, C528S489000, C528S493000, C528S495000, C528S497000, C528S499000, C528S501000, C528S50200C

Reexamination Certificate

active

06936685

ABSTRACT:
The invention relates to a method for isolating polyorganosiloxanes from an aqueous dispersion, wherein the polyorganosiloxanes are separated from water in a dissolved form with the aid of an extraction agent.

REFERENCES:
patent: 5049636 (1991-09-01), Wolfgruber et al.
patent: 5110865 (1992-05-01), Ona et al.
patent: 5223586 (1993-06-01), Mautner et al.
patent: 5760109 (1998-06-01), Inokuchi et al.
patent: 5854369 (1998-12-01), Geck et al.
patent: 6245852 (2001-06-01), Hasegawa et al.
patent: 857748 (1998-08-01), None
patent: 852595 (1999-06-01), None
patent: 882105 (1999-11-01), None
patent: WO 99/14269 (1999-03-01), None
Merriam-Webster's Collegiate Dictionary, 10thEd., Merriam-Webster, 1998,p. 1118.
Derwent Abstract corr. to EP 882105 [1997-537332].
Derwent Abstract corr. to EP 852595 [AN 1997-204374].
Derwent Abstract corr. to EP 857748 [AN 1998-415986].
Derwent Abstract corr. to WO99/14269 [AN 1999-205906].

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