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LT - Alkilintų oksiindolų enantioselektyvios sintezės būdas
EN - PROCESS FOR THE ENANTIOSELECTIVE SYNTHESIS OF ALKYLATED OXINDOLES

Legal status

Patent lapsed (non-payment of fees)

Bibliographic data
Indications of the International Patent Classification (IPC)
(51) INT.CL.: (2006.01) B01J 31/02
C07B 57/00
C07B 61/00
C07D 209/00
Patent
(11) Number of the document 3982
(13) Kind of document B
(21) Application number IP1629
(22) Date of filing the application 1993-12-20
(41) Date of publication of the application 1995-07-25
(45) Date of publication of patent 1996-06-25
Priority applications
(30) Number Date Country code
469882 1990-01-22 US
4894301 1991-01-21 SU
Applicant
(71) HOECHST-ROUSSEL PHARMACEUTICALS INC., Route 202-206, North Somerville, NJ 08876, US
Inventors
(72) Thomas B. K. LEE, US
George S. K. WONG, US
Grantee
(73) HOECHST MARION ROUSSEL INC., 10236 Marion Park Drive, Kansas City, Missourri 64137-1405, US
Attorney or representative
(74) Reda ŽABOLIENĖ, METIDA, Verslo centras "VERTAS", Gynėjų g. 16, LT-01109 Vilnius, LT
Title
(54) PROCESS FOR THE ENANTIOSELECTIVE SYNTHESIS OF ALKYLATED OXINDOLES
Last renewal fee
Payment date Validity (years) Amount
1999-11-04 7 560.00 LTL
Legal status
Patent lapsed (non-payment of fees)
Invalidation date 2000-12-28