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

Publication After 18 month
The following Patent application have been published under Section 11A of the Patents
(Amendment) Act, 2005
(21) Application No.:
508/MUMNP/2004
PCT/ GB03/00836
Date: 27/02/2003
A (22) Date of filing of
Application:
(54) Title of the invention: PURIFICATION OF CITALOPARAM.
(51) International classification: B 60 G 7/00 (71)
(30) Priority Data :
(31) Document No.: 0204682.9
(32) Date : 27/02/2003
(33) Name of convention country : GREAT
BRITAIN
(66) Filed U/s. 5(2) : NO
(61) Patent of addition to application No.: NIL (72)
(62) Filed on : N.A.
(63) Divisional to Application No.: NIL
(64) Filed on : N.A.
(57) Abstract:
Name of the Applicant:
CIPLA LIMTED.
15/09/2004
Address of the Applicant:
289 BELLASIS ROAD,
MUMBI CENTRAL,
MUMBAI 400 008,
INDIA.
Name of the Inventors
1. HAMIED YUSUF KHWAJA
2. KANKAN RAJENDRA N
3. RAO DHARMARAJ
Crude citalopram base is purified adsorption on a solid support, washing the support to selectively remove
impurities, and releasing the purified base from the support.
Figure: NIL
The Patent Office Journal 24.06.2005 17944