Title of Invention

PROCESS FOR PREPARING CYANOACETIC ESTERS

Abstract The present invention relates to a process for preparing cyanoacetic ester of the general formula: in which R is C<sub>1</sub>-<sub>10</sub>-alkyl, C<sub>3</sub>-<sub>10</sub>-alkenyl or ary-C<sub>1</sub>-<sub>4</sub>-alkyl, characterized in that an alkali metal cyanoacetate is reacted in an aqueous/organic two-phase system in the presence of a phase-transfer catalyst with a halide of formula R-X (II), in which R is as defined , above and X is chlorine, bromine or iodine.
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0018-mas-2000 abstract-duplicate.pdf

0018-mas-2000 abstract.pdf

0018-mas-2000 claims-duplicate.pdf

0018-mas-2000 claims.pdf

0018-mas-2000 correspondences others.pdf

0018-mas-2000 correspondences po.pdf

0018-mas-2000 descripition(completed)-duplicate.pdf

0018-mas-2000 descripition(completed).pdf

0018-mas-2000 form-1.pdf

0018-mas-2000 form-19.pdf

0018-mas-2000 form-26.pdf

0018-mas-2000 form-3.pdf

0018-mas-2000 form-5.pdf

0018-mas-2000 petition.pdf

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Patent Number 214475
Indian Patent Application Number 18/MAS/2000
PG Journal Number 13/2008
Publication Date 31-Mar-2008
Grant Date 12-Feb-2008
Date of Filing 10-Jan-2000
Name of Patentee LONZA LTD
Applicant Address MUNCHENSTEINERSTRASSE 38, CH 4002 BASEL,
Inventors:
# Inventor's Name Inventor's Address
1 DR. STEFAN HILDBRAND BARETSTRASSE 8A, CH 3930 VISP,
2 DR. PAUL HANSELMANN HOLZACHRA 5, CH 3902 BRIG-GLIS,
PCT International Classification Number C07C 255/19
PCT International Application Number N/A
PCT International Filing date
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 99102286.4 1999-02-09 EUROPEAN UNION