Perfluoropolyethers comprising repeating units obtained from...

Details Perfluoropolyethers comprising repeating units obtained from... Perfluoropolyethers comprising repeating units obtained from...

2007-07-24

2007-07-24

Saeed, Kamal A. (Department: 1626)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C549S455000

Reexamination Certificate

active

10458308

ABSTRACT:
Perfluoropolyethers obtained by oxidation of perfluorodioxoles of formula (I)wherein Rf=—F, —(O)yCnF2n+1with y=0, 1 and n=1, 2, 3, 4, 5, and with W=—F, —CnF2n+1,optionally in the presence of tetrafluoroethylene and/or hexafluoropropene, and subsequent reduction of the obtained peroxidic perfluoropolyethers.

REFERENCES:
patent: 3242218 (1966-03-01), Miller
patent: 3715378 (1973-02-01), Sianesi et al.
patent: 3810874 (1974-05-01), Mitsch et al.
patent: 3865845 (1975-02-01), Resnick
patent: 4523039 (1985-06-01), Lagow et al.
patent: 4647413 (1987-03-01), Savu
patent: 5000830 (1991-03-01), Marchionni et al.
patent: 5144092 (1992-09-01), Marraccini et al.
patent: 5149842 (1992-09-01), Sianesi et al.
patent: 5237108 (1993-08-01), Marraccini et al.
patent: 5258110 (1993-11-01), Sianesi et al.
patent: 0 148 482 (1985-07-01), None
patent: 0 239 123 (1987-09-01), None
patent: 0 340 739 (1989-11-01), None
patent: 0 340 740 (1989-11-01), None
patent: 1104482 (1968-02-01), None
patent: WO 97/28205 (1997-08-01), None
International Publication No. WO 90/03357, published Apr. 5, 1990.
“Structure-Property Relationships in Perfluoropolyethers”,Comprehensive Polymer Science, Second Supplement, Cap. 9, p. 351, 1996.

Affiliated with

Also associated with

Rating

Perfluoropolyethers comprising repeating units obtained from... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Perfluoropolyethers comprising repeating units obtained from..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Perfluoropolyethers comprising repeating units obtained from... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3770091