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] | Status | No opposition filed within time limit Status updated on 03.04.1990 Database last updated on 26.07.2024 | Most recent event Tooltip | 03.04.1990 | No opposition filed within time limit | published 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 date | 85100995.1 | 31.01.1985 | [1985/33] | Priority number, date | DE19843403748 | 03.02.1984 Original published format: DE 3403748 | [1985/33] | Filing language | DE | Procedural language | DE | Publication | Type: | 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: | EP | 12.06.1986 | Classification | IPC: | 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);
| C-Set: |
C07C51/42, C07C59/265 (EP,US);
C07C51/47, C07C59/265 (US,EP) | Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1985/33] | Title | German: | 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 procedure | 02.09.1986 | Examination requested [1986/45] | 22.01.1988 | Despatch of a communication from the examining division (Time limit: M02) | 02.02.1988 | Reply to a communication from the examining division | 28.03.1988 | Despatch of communication of intention to grant (Approval: No) | 26.08.1988 | Despatch of communication of intention to grant (Approval: later approval) | 08.09.1988 | Communication of intention to grant the patent | 02.12.1988 | Fee for grant paid | 02.12.1988 | Fee for publishing/printing paid | Opposition(s) | 08.03.1990 | No opposition filed within time limit [1990/21] | Fees paid | Renewal fee | 30.03.1987 | Renewal fee patent year 03 | 18.12.1987 | Renewal fee patent year 04 | 07.01.1989 | Renewal fee patent year 05 | Penalty fee | Additional fee for renewal fee | 02.02.1987 | 03   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 |