Process for preparing elastomeric...

Details Process for preparing elastomeric... Process for preparing elastomeric...

2005-02-22

2005-02-22

Price, Elvis O. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

C570S171000, C570S175000, C570S257000, C526S072000, C526S089000, C526S090000, C526S091000, C526S093000

Reexamination Certificate

active

06858763

ABSTRACT:
The present invention relates to a process for preparing an elastomeric ethylene-hexafluoropropylene copolymer with excellent vulcanization properties, which comprises emulsion polymerizing ethylene, hexafluoropropylene and when in demand, a monomer copolymerizable therewith in a aqueous medium at a low temperature of −20° C. to 40° C. using a radical polymerization initiator.

REFERENCES:
patent: 6-80728 (1994-03-01), None
patent: 06-080728 (1994-03-01), None
patent: 6-340716 (1994-12-01), None
patent: 9-77829 (1997-03-01), None
English translation of International Preliminary Examination Report for PCT/JP01/08130 dated Aug. 5, 2002.
International Search Report for PCT/JP01/08130 dated Dec. 18, 2001.

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