Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Reexamination Certificate
2006-12-05
2006-12-05
Page, Thurman K. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
C544S242000, C544S336000, C546S347000, C548S146000, C548S215000
Reexamination Certificate
active
07145004
ABSTRACT:
The present invention relates to a process for the preparation of monohydroperfluoroalkanes, bis(perfluoroalkyl)phosphinates and perfluoroalkylphosphonates which comprises at least the treatment of at least one perfluoroalkylphosphorane with at least one base in a suitable reaction medium.
REFERENCES:
Mahmood et al., New perfluoroalkylphosphonic and bis(perfluoroalkyl)phosphinic acids and their precursors, Inorg. Chem.; 1986; 25(18); 3128-3131.
Pavlenko et al. Esters of Bis(perfluoroalkyl)phosphonic Acids, Journal of General Chemistry, USSR, 474-476.
Kovaleva et al., Preparation perfluoroalkylphosphonic Acids And Their Derivatives, Journal of General Chemistry, USSR, 2245-2248.
Kovaleva T.V. et al.: “Perfluoroalkylphosphonic Acids and Their Derivatives” Journal of General Chemistry USSR., Bd. 59, Nr. 11, Apr. 20, 1990, pp. 2245-2248.
Pavlenko N.V. et al.: “Esters of BIS (Perfluoroalkyl) Phosphinic Acids” Journal of General Chemistry USSR., Bd. 59, Nr. 3, Aug. 20, 1989, pp. 474-476.
Mahmood T et al.: “New Perfluoroalkylphosphonic and Bis (Perfluoroalkyl) Phosphinic Acids and Their Precursors” Inorganic Chemistry, American Chemical Society, Bd. 25, Nr. 18, 1986, pp. 3128-3131.
Gosling, K. et al: “Preparation and Hydrolysis of Tertiary Alkyl (Perfluoroalkyl) Phosphines” Journal of the Chemical Society 'Section! A: Inorganic, Physical, Theoretical 1968, p. 1914.
Haszeldine R.N.: “Reactions of Fluorocarbon Radicals. Part XII.” Journal of the Chemical Society., 1953, pp. 3761-3768.
Bergman E.: “Decarbethoxylation of Perfluoroacid Esters” Journal of Organic Chemistry., Bd. 23, Nr. 3, 1958, pp. 476-477.
Heider Udo
Ignatyev Nikolai
Kucheryna Andriy
Sartori Peter
Weiden Michael
Merck Patent Gesellschaft
Millen, White, Zelano & Branican, P.C.
Nwaonicha Chukwuma
Page Thurman K.
LandOfFree
Method for the production of monohydro-perfluoroalkanes,... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for the production of monohydro-perfluoroalkanes,..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for the production of monohydro-perfluoroalkanes,... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3720470