Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...
Reexamination Certificate
2003-12-18
2009-11-03
Peng, Kuo-Liang (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From silicon reactant having at least one...
C528S031000, C528S015000, C528S025000, C556S445000, C568S673000, C568S675000, C521S122000, C516S013000
Reexamination Certificate
active
07612159
ABSTRACT:
The invention relates to a process for working up polyethersiloxanes, wherein said polyethersiloxanes are treated with H2O2and are separated from volatile components by separation methods known per se.
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Burkhart George
Dudzik Horst
Hiersche Wolfgang
Knott Wilfried
Möhring Volker
Frommer & Lawrence & Haug LLP
Goldschmidt AG
Peng Kuo-Liang
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