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Extract from the Register of European Patents

EP About this file: EP0151470

EP0151470 - Process for the isolation of citric acid [Right-click to bookmark this link]
Former [1985/33]Process for the recovery of citric acid
[1989/23]
StatusNo opposition filed within time limit
Status updated on  03.04.1990
Database last updated on 26.07.2024
Most recent event   Tooltip03.04.1990No opposition filed within time limitpublished on 23.05.1990 [1990/21]
Applicant(s)For all designated states
Jungbunzlauer Ladenburg GmbH
Dr.-Albert-Reimann-Strasse 18
68526 Ladenburg / DE
[N/P]
Former [1989/24]For all designated states
Jungbunzlauer Ladenburg GmbH
Dr.-Albert-Reimann-Strasse 18
D-68526 Ladenburg / DE
Former [1989/17]For all designated states
Biochemie Ladenburg GmbH
D-6000 Frankfurt/Main / DE
Former [1985/33]For all designated states
Joh. A. Benckiser GmbH
Postfach 21 10 67, Ludwig-Bertram-Strasse 8 + 10
D-67059 Ludwigshafen / DE
Inventor(s)01 / Magureanu, Gabriela, Dipl.-Chem.
Delpstrasse 4
D-6940 Weinheim / DE
02 / Gutmann, Friedrich, Dipl.-Ing.
Rockenauer Pfad 25
D-6909 Walldorf / DE
[1985/33]
Representative(s)Grussdorf, Jürgen
Patentanwälte Zellentin & Partner Rubensstrasse 30
67061 Ludwigshafen / DE
[N/P]
Former [1989/17]Grussdorf, Jürgen, Dr.
Patentanwälte Zellentin & Partner Rubensstrasse 30
D-67061 Ludwigshafen / DE
Former [1985/33]Patentanwälte Zellentin & Partner
Zweibrückenstrasse 15
D-80331 München / DE
Application number, filing date85100995.131.01.1985
[1985/33]
Priority number, dateDE1984340374803.02.1984         Original published format: DE 3403748
[1985/33]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0151470
Date:14.08.1985
Language:DE
[1985/33]
Type: A3 Search report 
No.:EP0151470
Date:30.07.1986
Language:DE
[1986/31]
Type: B1 Patent specification 
No.:EP0151470
Date:07.06.1989
Language:DE
[1989/23]
Search report(s)(Supplementary) European search report - dispatched on:EP12.06.1986
ClassificationIPC:C07C59/265, C07C51/42
[1985/33]
CPC:
C12M29/02 (EP,US); C07C51/42 (EP,US); C07C51/47 (EP,US);
C12M21/12 (EP,US); C12M29/16 (EP,US); C12M43/02 (EP,US);
C12M47/10 (EP,US); C12M47/12 (EP,US) (-)
C-Set:
C07C51/42, C07C59/265 (EP,US);
C07C51/47, C07C59/265 (US,EP)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1985/33]
TitleGerman:Verfahren zur Gewinnung von Citronensäure[1985/33]
English:Process for the isolation of citric acid[1989/23]
French:Procédé d'obtention d'acide citrique[1989/23]
Former [1985/33]Process for the recovery of citric acid
Former [1985/33]Procédé de récupération d'acide citrique
Examination procedure02.09.1986Examination requested  [1986/45]
22.01.1988Despatch of a communication from the examining division (Time limit: M02)
02.02.1988Reply to a communication from the examining division
28.03.1988Despatch of communication of intention to grant (Approval: No)
26.08.1988Despatch of communication of intention to grant (Approval: later approval)
08.09.1988Communication of intention to grant the patent
02.12.1988Fee for grant paid
02.12.1988Fee for publishing/printing paid
Opposition(s)08.03.1990No opposition filed within time limit [1990/21]
Fees paidRenewal fee
30.03.1987Renewal fee patent year 03
18.12.1987Renewal fee patent year 04
07.01.1989Renewal fee patent year 05
Penalty fee
Additional fee for renewal fee
02.02.198703   M06   Fee paid on   30.03.1987
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[Y]JP53101303  ;
 [YD]DE1274128  ;
 [Y]DD203533  (BITTERFELD CHEMIE [DD])
 [Y]  - PATENT ABSTRACTS OF JAPAN, Band 2, Nr. 136, 11. November 1978, Seite 2927 G 78; & JP-A-53 101 303 (KANEGAFUCHI KAGAKU KOGYO) 09-04-1978, & JP53101303 A 00000000
 [A]  - KIRK-OTHMER ENCYCLOPEDIA OF CHEMICAL TECHNOLOGY, Band 6, 3. Auflage, John Wiley & Sons, New York, US
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.