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Extract from the Register of European Patents

EP About this file: EP0564723

EP0564723 - An improved process for the synthesis of D(+) Biotin [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  29.08.2003
Database last updated on 18.10.2024
Most recent event   Tooltip11.07.2008Change - representativepublished on 13.08.2008  [2008/33]
Applicant(s)For all designated states
Council of Scientific and Industrial Research
Rafi Marg
New Delhi 110 001 / IN
[N/P]
Former [1993/41]For all designated states
Council of Scientific and Industrial Research
Rafi Marg
New Delhi 110 001 / IN
Inventor(s)01 / Ravindranathan, Thottappillil
National Chemical Laboratory, Pune-411008
Maharashtra / IN
02 / Chavan, Subhash Prataprao
National Chemical Laboratory, Pune-411008
Maharashtra / IN
03 / Tejwani, Rajkumar Bhagwandas
National Chemical Laboratory, Pune-411008
Maharashtra / IN
[1993/41]
Representative(s)Lamb, Martin John Carstairs, et al
Marks & Clerk LLP
15 Fetter Lane
London EC4A 1BW / GB
[N/P]
Former [2008/33]Lamb, Martin John Carstairs, et al
Marks & Clerk 90 Long Acre
London WC2E 9RA / GB
Former [2003/31]Lamb, Martin John Carstairs, et al
Marks & Clerk, 57-60 Lincolns Inn Fields
London WC2A 3LS / GB
Former [1993/41]Clifford, Frederick Alan
MARKS & CLERK, 57/60 Lincoln's Inn Fields
London WC2A 3LS / GB
Application number, filing date92303027.406.04.1992
[1993/41]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0564723
Date:13.10.1993
Language:EN
[1993/41]
Type: B1 Patent specification 
No.:EP0564723
Date:23.10.2002
Language:EN
[2002/43]
Search report(s)(Supplementary) European search report - dispatched on:EP05.01.1993
ClassificationIPC:C07D495/04, // (C07D495/04, 333:00, 235:00)
[1993/41]
CPC:
C07D495/04 (EP,US)
Designated contracting statesCH,   DE,   FR,   GB,   IT,   LI [1993/41]
TitleGerman:Verfahren zur Synthese von D(+)-Biotin[1993/41]
English:An improved process for the synthesis of D(+) Biotin[1993/41]
French:Procédé pour la synthèse de D(+)-biotine[1993/41]
Examination procedure16.12.1993Examination requested  [1994/06]
05.07.1994Despatch of a communication from the examining division (Time limit: M06)
11.01.1995Reply to a communication from the examining division
09.10.1995Despatch of a communication from the examining division (Time limit: M06)
19.04.1996Reply to a communication from the examining division
01.10.1997Despatch of a communication from the examining division (Time limit: M06)
03.04.1998Reply to a communication from the examining division
11.05.2000Date of oral proceedings
01.08.2000Despatch of a communication from the examining division (Time limit: M04)
01.08.2000Minutes of oral proceedings despatched
08.12.2000Reply to a communication from the examining division
18.02.2002Despatch of communication of intention to grant (Approval: Yes)
15.05.2002Communication of intention to grant the patent
19.07.2002Fee for grant paid
19.07.2002Fee for publishing/printing paid
Opposition(s)24.07.2003No opposition filed within time limit [2003/42]
Fees paidRenewal fee
11.04.1994Renewal fee patent year 03
04.04.1995Renewal fee patent year 04
16.04.1996Renewal fee patent year 05
12.04.1997Renewal fee patent year 06
14.04.1998Renewal fee patent year 07
14.04.1999Renewal fee patent year 08
13.04.2000Renewal fee patent year 09
12.04.2001Renewal fee patent year 10
12.04.2002Renewal fee patent year 11
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Documents cited:Search[A]DE3926690  (MERCK PATENT GMBH [DE]);
 [A]DE3018109  (BASF AG [DE])
 [AD]  - TETRAHEDRON LETTERS. vol. 29, no. 1, 1988, OXFORD GB pages 57 - 60 E.J. COREY ET AL. 'A simple and enantioselective synthesis of (+)-biotin'
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.