EP0023195 - A method of purifying phosphoric acid of cadmium [Right-click to bookmark this link] | |||
Former [1981/04] | A method of purifying phosphoric acid of heavy metal | ||
[1988/38] | Status | Patent maintained as amended Status updated on 06.08.1988 Database last updated on 24.08.2024 | Most recent event Tooltip | 12.11.1999 | Lapse of the patent in a contracting state | published on 29.12.1999 [1999/52] | Applicant(s) | For all designated states Boliden Aktiebolag Box 5508 S-114 85 Stockholm / SE | [1981/04] | Inventor(s) | 01 /
Berglund, Hans Arne Lennart Birkagatan 108 S-252 60 Helsingborg / SE | [1981/04] | Representative(s) | Lundin, Björn-Eric Trelleborg AB Patents and Trade Marks Box 21024 100 31 Stockholm / SE | [N/P] |
Former [1987/14] | Lundin, Björn-Eric Trelleborg AB Patents and Trade Marks Box 21024 S-100 31 Stockholm / SE | ||
Former [1981/44] | Lundin, Björn-Eric Trelleborg AB Patents and Trade Marks Box 21024 S-100 31 Stockholm / SE | ||
Former [1981/04] | Lundin, Björn-Eric Trelleborg AB Patents and Trade Marks Box 21024 S-100 31 Stockholm / SE | Application number, filing date | 80850070.6 | 08.05.1980 | [1981/04] | Priority number, date | SE19790004135 | 10.05.1979 Original published format: SE 7904135 | [1981/04] | Filing language | SV | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0023195 | Date: | 28.01.1981 | Language: | EN | [1981/04] | Type: | A3 Search report | No.: | EP0023195 | Date: | 09.09.1981 | Language: | EN | [1981/36] | Type: | B1 Patent specification | No.: | EP0023195 | Date: | 01.02.1984 | Language: | EN | [1984/05] | Type: | B2 New European patent specification | No.: | EP0023195 | Date: | 21.09.1988 | Language: | EN | [1988/38] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.07.1981 | Classification | IPC: | C01B25/238 | [1981/04] | CPC: |
C01B25/238 (EP,US)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL [1981/04] | Title | German: | Verfahren zur Reinigung von Phosphorsäure von Cadmium | [1988/38] | English: | A method of purifying phosphoric acid of cadmium | [1988/38] | French: | Procédé de purification de l'acide phosphorique de cadmium | [1988/38] |
Former [1981/04] | Verfahren zur Reinigung von Phosphorsäure von Schwermetallen | ||
Former [1981/04] | A method of purifying phosphoric acid of heavy metal | ||
Former [1981/04] | Procédé de purification de l'acide phosphorique des métaux lourds | Examination procedure | 02.03.1982 | Examination requested [1982/19] | 11.10.1982 | Despatch of a communication from the examining division (Time limit: M04) | 29.01.1983 | Reply to a communication from the examining division | 28.06.1983 | Despatch of communication of intention to grant (Approval: ) | 22.07.1983 | Communication of intention to grant the patent | 13.10.1983 | Fee for grant paid | 13.10.1983 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
19.10.1984
29.10.1984
ADMISSIBLE BASF Aktiengesellschaft -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE | 02
29.10.1984
30.01.1985
DEEMED NOT TO HAVE BEEN FILED Chemische Fabrik Kalk GmbH Kalker Hauptstrasse 22 Postfach 91 01 57 D-5000 Köln 91 / DE Opponent's representative Dressler, Joachim Postfach 1368 34369 Hofgeismar / DE | 03
30.10.1984
28.12.1984
ADMISSIBLE HOECHST AKTIENGESELLSCHAFT, Frankfurt Werk Knapsack Patentabteilung D-50354 Hürth / DE | [N/P] |
Former [1987/23] | |||
Opponent(s) | 01
19.10.1984
29.10.1984
ADMISSIBLE BASF Aktiengesellschaft, Ludwigshafen -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE | ||
02
29.10.1984
30.01.1985
DEEMED NOT TO HAVE BEEN FILED Chemische Fabrik Kalk GmbH Kalker Hauptstrasse 22 Postfach 91 01 57 D-5000 Köln 91 / DE Opponent's representative Dressler, Joachim, Dipl.-Chem. Postfach 1368 D-3520 Hofgeismar / DE | |||
03
30.10.1984
28.12.1984
ADMISSIBLE HOECHST AKTIENGESELLSCHAFT, Frankfurt Werk Knapsack Patentabteilung D-50354 Hürth / DE | |||
Former [1985/02] | |||
Opponent(s) | 01
19.10.1984
BASF Aktiengesellschaft, Ludwigshafen -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE | ||
02
29.10.1984
DEEMED NOT TO HAVE BEEN FILED Chemische Fabrik Kalk GmbH Kalker Hauptstrasse 22 Postfach 91 01 57 D-5000 Köln 91 / DE Opponent's representative Dressler, Joachim, Dipl.-Chem. Postfach 1368 D-3520 Hofgeismar / DE | |||
03
30.10.1984
ADMISSIBLE HOECHST AKTIENGESELLSCHAFT, Frankfurt Werk Knapsack Patentabteilung D-50354 Hürth / DE | |||
Former [1984/52] | |||
Opponent(s) | 01
19.10.1984
ADMISSIBLE BASF Aktiengesellschaft, Ludwigshafen -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE | 08.03.1985 | Invitation to proprietor to file observations on the notice of opposition | 03.07.1985 | Reply of patent proprietor to notice(s) of opposition | 11.07.1985 | Communication of observations of patent proprietor (Time limit: M02) | 21.05.1986 | Despatch of a communication from the opposition division (Time limit: M04) | 01.10.1986 | Reply to a communication from the opposition division | 14.04.1987 | Despatch of a communication from the opposition division (Time limit: M04) | 05.08.1987 | Reply to a communication from the opposition division | 04.11.1987 | Date of oral proceedings | 04.02.1988 | Despatch of minutes of oral proceedings | 18.04.1988 | Despatch of communication that the patent will be maintained as amended | 11.07.1988 | Fee for printing new specification paid | Fees paid | Renewal fee | 14.05.1982 | Renewal fee patent year 03 | 16.05.1983 | Renewal fee patent year 04 | Penalty fee | Penalty fee Rule 85a EPC 1973 | 09.06.1980 | AT   M02   Fee paid on   31.07.1980 | 09.06.1980 | BE   M02   Fee paid on   31.07.1980 | 09.06.1980 | CH   M02   Fee paid on   31.07.1980 | 09.06.1980 | DE   M02   Fee paid on   31.07.1980 | 09.06.1980 | FR   M02   Fee paid on   31.07.1980 | 09.06.1980 | GB   M02   Fee paid on   31.07.1980 | 09.06.1980 | IT   M02   Fee paid on   31.07.1980 | 09.06.1980 | LU   M02   Fee paid on   31.07.1980 | 09.06.1980 | NL   M02   Fee paid on   31.07.1980 |
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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. | Lapses during opposition Tooltip | LU | 31.05.1984 | [1999/52] | Documents cited: | Search | JP7875196 [ ]; | GB986154 [ ] (PROGIL) | [ ] - CHEMICAL ABSTRACTS, Vol. 89, No. 22, November 27, 1978, page 109, Abstract 181887a Columbus, Ohio, USA & JP - A - 78 75196 (CENTRAL GLASS CO.) 04-07-1978., & JP7875196 A 00000000 |