Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus acids or salts thereof
Reexamination Certificate
2004-10-22
2009-06-02
Shiao, Rei-tsang (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Phosphorus acids or salts thereof
C562S026000
Reexamination Certificate
active
07541488
ABSTRACT:
The invention relates to a method for producing mono(fluoroalkyl)phosphoric acids or bis(fluoroalkyl)phosphoric acids, mono(fluoroalkyl)phosphates or bis(fluoroalkyl)phosphates, and the corresponding phosphoranes thereof. The inventive method comprises at least the step of reacting a bis(fluoroalkyl)phosphonic acid, a (fluoroalkyl)phosphonic acid, or a corresponding derivative of said acids with anhydrous hydrogen fluoride.
REFERENCES:
patent: 7202379 (2007-04-01), Welz-Biermann et al.
patent: 734187 (1955-07-01), None
Ignatyev Nikolai (Mykola)
Kucheryna Andriy
Schmidt Michael
Welz-Biermann Urs
Willner Helge
Merck Patent GmbH
Millen White Zelano & Branigan P.C.
Shiao Rei-tsang
LandOfFree
Process for the preparation of mono- and... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for the preparation of mono- and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of mono- and... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4082140