Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Treating polymer containing material or treating a solid...
Reexamination Certificate
2005-04-12
2005-04-12
Truong, Duc (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Treating polymer containing material or treating a solid...
C528S491000, C528S492000, C528S499000, C528S50200C, C528S503000, C528S086000, C528S373000, C528S422000
Reexamination Certificate
active
06878803
ABSTRACT:
The invention relates to a novel and inexpensive process for the nitration and amination of aryl polymers and also to their use as blend components for producing polymer blend membranes. Such polymer blend membranes are used in membrane processes, in particular as polymeric electrolyte in electromembranes, e.g. for electrodialysis and fuel cells.
REFERENCES:
patent: 3715323 (1973-02-01), Crivello
patent: 19813613 (1999-09-01), None
patent: 0325405 (1989-07-01), None
Karcha et al; Preparation and characterization of nitrated poly(aryl ether ketone; 1995, Pure Appl. Chem., A32(5), pp. 957-967.
Celanese Ventures GmbH
Robert H. Hammer III, P.C.
Truong Duc
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