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Extract from the Register of European Patents

EP About this file: EP0522576

EP0522576 - Aminoethane-1,1-bisphosphonic acids and aminoethane-1,1-alkylphospinic/phosphonic acids, process of their preparation and their use [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  20.10.1995
Database last updated on 03.10.2024
Most recent event   Tooltip20.10.1995Withdrawal of applicationpublished on 13.12.1995 [1995/50]
Applicant(s)For all designated states
HOECHST AKTIENGESELLSCHAFT
65926 Frankfurt am Main / DE
[N/P]
Former [1993/02]For all designated states
HOECHST AKTIENGESELLSCHAFT
D-65926 Frankfurt am Main / DE
Inventor(s)01 / Lang, Hans-Jochen, Dr.
Rüdesheimer Strasse 7
W-6238 Hofheim/Taunus / DE
02 / Naumann, Christoph, Dr.
Idsteiner Strasse 90
W-6272 Niedernhausen / DE
03 / Raiss, Ruth, Dr.
Fürstenberger Strasse 1
W-6000 Frankfurt/Main / DE
04 / Komiyama, Osamu
3-3-12 Nakano
Nakano-ku, Tokyo / JP
05 / Terui, Yoshiko
1-13-2 Honda
Kokubunji, Tokyo / JP
[1993/02]
Application number, filing date92111763.610.07.1992
[1993/02]
Priority number, dateDE1991412302512.07.1991         Original published format: DE 4123025
[1993/02]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0522576
Date:13.01.1993
Language:DE
[1993/02]
Type: A3 Search report 
No.:EP0522576
Date:14.07.1993
Language:DE
[1993/28]
Search report(s)(Supplementary) European search report - dispatched on:EP25.05.1993
ClassificationIPC:C07F9/38, C07F9/40, C07F9/30, A61K31/66
[1993/02]
CPC:
C07F9/3873 (EP,US); A61P19/10 (EP); A61P3/00 (EP);
A61P43/00 (EP); C07F9/3821 (EP,US); C07F9/4012 (EP,US);
C07F9/405 (EP,US) (-)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   NL [1993/02]
TitleGerman:Substituierte Aminoethan-1,1-bisphosphonsäuren und Aminoethan-1,1-alkylphosphinphosphonsäuren, Verfahren zu ihrer Herstellung und Verwendung derselben[1993/02]
English:Aminoethane-1,1-bisphosphonic acids and aminoethane-1,1-alkylphospinic/phosphonic acids, process of their preparation and their use[1993/02]
French:Acides aminoéthane-1,1-bisphosphoniques et 1,1-alkylphosphiniques-phosphoniques, procédé de leur préparation et leur utilisation[1993/02]
File destroyed:03.03.2001
Examination procedure15.12.1993Examination requested  [1994/06]
11.10.1995Application withdrawn by applicant  [1995/50]
Fees paidRenewal fee
08.06.1994Renewal fee patent year 03
31.07.1995Renewal fee patent year 04
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Documents cited:Search[YD]EP0325482  (YAMANOUCHI PHARMA CO LTD [JP]);
 [XD]EP0407344  (CIBA GEIGY AG [CH]);
 [A]EP0186405
 [A]  - CHEMICAL ABSTRACTS (STN online), American Chemical Society 1992, ACCESSION NO. 93(9): 93 361b, I.S. ALFEREY et al. "Immuno- depressive effect of N-substituted 2-aminoethyli- dene-1,1-diphosphonic acids"
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.