24/06/2005 - Controller General of Patents, Designs, and Trade Marks

(12) PATENT APPLICATION PUBLICATION
(19)
INDIA (21) Application No:1127/MUM/2001 A
(22) Date of filing of Application
:26/11/2001
(54) Title of the invention:
(51) International Classification: C 12 P 13/00
(31) Priority Document No. : NIL
(32) Priority Date :
(33) Name of priority country :
(86)
(43) Publication Date: 24/06/2005
A PROCESS FOR THE PREPARATION OF 7-
DIETHYLAMINO –2H –1-BENZOPYRAN-2-OXO-3(N-
SUBSTITUTED) -CARBOXAMIDES
NIL
NIL
International Application : NIL
No. and Filing Date :
NIL
(87) International :
Publication No.
NIL
(61) Patent of addition to
Application No. : NIL
Filed on N.A.
(62)
Divisional to
Application No. : NIL
Filed on : N.A.
(71)
(72)
Name of the Applicant:
STRIDES ARCOLAB LTD.
Address of the Applicant:
21, DEVAVRATA, SECTOR 17,
VASHI,
NAVI MUMBAI –400 703.
Name of the Inventors:
1 . AKBARALI, P.M.
2 . VIJAY RAJ, K.K.
Filed U/S 5(2) before the
Patents (Amendment)
Ordinance,2004 : NO
(57) Abstract: A process for preparation of 7-diethylamino-2H-1-benzopyran-2-oxo-3-(N-substituted)carboxamides
by refluxing 4 – diethylamino salicylaldehyde and malonic ester of aromatic amines in methanol
containing catalytic amount of piperidine.
( Figure: NIL )
Total Pages : 7
The Patent Office Journal 24.06.2005 17757