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Back to the List of the Granted Patents                                                Click here to download AP2350 PDF

(11)    Patent No :    AP 2350   
(21)    Application No :    AP/P/2007/003995   
(22)    Filing Date :    17.11.2005   
(24)    Date of Grant &    16.01.2012   
           
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
US    60/628,707    17.11.2004

(84)    Designated State

BW    GM    GH    KE    LS    MW  MZ   NA   SL
SD    SZ    T Z    UG    ZM    ZW
 
(73) Applicant(s)

PIRAMAL CRITICAL CARE, INC., 50 Cobham Drive, Orchard Park, New York 14127,
United States of America

(72) Inventors

TERRELL Ross C., United States of America

LEVINSON Joshua A., United States of America

YOUNG Charles, W, United States of America

et al

(74) Representative

GILL, GODLONTON & GERRANS

ZIMBABWE
(51)  International  Classification   C07C 43/13 (2006.01)    C07C 43/00 (2006.01)

54)    Title

Method for the preparation of sevoflurane.

(57)    Abstract

A method for the preparation of (CF3)2CHOCH2F (Sevoflurane) is presented, which comprises providing a mixture of (CF3)2CHO2CI, potassium fluoride, water, and a phase transfer catalyst and reacting the mixture to form (CF3)2CHOCH2F.

(56)  Documents Cited :    US 6100 434 A

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