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Extract from the Register of European Patents

EP About this file: EP1238961

EP1238961 - Process for the preparation of benzyl esters of hydroxybenzoic acids [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  02.12.2005
Database last updated on 28.03.2026
Most recent event   Tooltip14.12.2007Lapse of the patent in a contracting state
New state(s): PT		published on 16.01.2008  [2008/03]
Applicant(s)For all designated states
Bayer Chemicals AG
51368 Leverkusen / DE
[2004/01]
Former [2002/37]For all designated states
Bayer Aktiengesellschaft
51368 Leverkusen / DE
Inventor(s)01 / Ooms, Pieter, Dr.
Doerperhofstrasse 16
47800 Krefeld / DE
02 / Schenke, Bernd-Ulrich
Eupenstrasse 11
46236 Bottrop / DE
 [2002/37]
Application number, filing date02003273.622.02.2002
[2002/37]
Priority number, dateDE200111074607.03.2001         Original published format: DE 10110746
[2002/37]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP1238961
Date:11.09.2002
Language:DE
[2002/37]
Type: B1 Patent specification 
No.:EP1238961
Date:26.01.2005
Language:DE
[2005/04]
Search report(s)(Supplementary) European search report - dispatched on:EP05.06.2002
ClassificationIPC:C07C67/24, C07C69/78
[2002/37]
CPC:
C07C67/24 (EP,US)
C-Set:
C07C67/24, C07C69/84 (EP,US)
Designated contracting statesAT,   BE,   CH,   CY,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE,   TR [2002/37]
TitleGerman:Verfahren zur Herstellung von Hydroxybenzoesäurebenzylestern[2002/37]
English:Process for the preparation of benzyl esters of hydroxybenzoic acids[2002/37]
French:Méthode de préparation d' esters benzyliques d'acides hydroxybenzoiques[2002/37]
Examination procedure11.03.2003Examination requested  [2003/19]
16.09.2003Despatch of a communication from the examining division (Time limit: M06)
19.02.2004Reply to a communication from the examining division
10.05.2004Communication of intention to grant the patent
22.11.2004Fee for grant paid
22.11.2004Fee for publishing/printing paid
Opposition(s)27.10.2005No opposition filed within time limit [2006/03]
Fees paidRenewal fee
01.03.2004Renewal fee patent year 03
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Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipFI26.01.2005
IE26.01.2005
TR26.01.2005
AT22.02.2005
CY22.02.2005
LU22.02.2005
MC28.02.2005
DK26.04.2005
GR26.04.2005
SE26.04.2005
ES07.05.2005
PT26.06.2005
[2008/03]
Former [2007/20]FI26.01.2005
IE26.01.2005
TR26.01.2005
AT22.02.2005
CY22.02.2005
LU22.02.2005
MC28.02.2005
DK26.04.2005
GR26.04.2005
SE26.04.2005
ES07.05.2005
Former [2007/10]FI26.01.2005
IE26.01.2005
TR26.01.2005
AT22.02.2005
LU22.02.2005
MC28.02.2005
DK26.04.2005
GR26.04.2005
SE26.04.2005
ES07.05.2005
Former [2006/52]FI26.01.2005
IE26.01.2005
TR26.01.2005
AT22.02.2005
MC28.02.2005
DK26.04.2005
GR26.04.2005
SE26.04.2005
ES07.05.2005
Former [2006/34]FI26.01.2005
IE26.01.2005
AT22.02.2005
MC28.02.2005
DK26.04.2005
GR26.04.2005
SE26.04.2005
ES07.05.2005
Former [2006/14]FI26.01.2005
IE26.01.2005
MC28.02.2005
DK26.04.2005
GR26.04.2005
SE26.04.2005
ES07.05.2005
Former [2006/13]FI26.01.2005
IE26.01.2005
DK26.04.2005
SE26.04.2005
ES07.05.2005
Former [2006/12]FI26.01.2005
DK26.04.2005
SE26.04.2005
ES07.05.2005
Former [2005/48]FI26.01.2005
SE26.04.2005
Former [2005/46]FI26.01.2005
Documents cited:Search[PX] WO0190044  (BAYER AG et al.) [PX] 1-18 * claims 1-17 *
 [A]   KUMARAPURAM N. PARAMESWARAN ET AL.: "O-Carbamoylsalicylates: Agents for modification of Hemoglobins", J. MED. CHEM., vol. 30, 1987, pages 936-939, XP001071247 [A] 1-18 * page 938, paragraph L - page 939 *

DOI:   http://dx.doi.org/10.1021/jm00388a034
 [A]   CHEN ET AL: "Structure-Activity Relationships in a Series of 5-[(2,5- Dihydroxybenzyl)amino]salicylate Inhibitors of EGF-Receptor- Associated Tyrosine Kinase: Importance of Additional Hydrophobic Aromatic Interactions", JOURNAL OF MEDICINAL CHEMISTRY, AMERICAN CHEMICAL SOCIETY. WASHINGTON, US, vol. 37, no. 6, 1994, pages 845 - 859, XP002127746, ISSN: 0022-2623 [A] 1-18 * Seite 847, Scheme 3, Herstellung von A24, A31 und A32 aus Tabelle 1 *

DOI:   http://dx.doi.org/10.1021/jm00032a020
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.