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EP0040729
European procedure
Extract from the Register of European Patents
EP About this file: EP0040729
| EP0040729 - Granular powder agglomerates, and process for preparing same [Right-click to bookmark this link] | Status | Patent revoked Status updated on 25.02.1991 Database last updated on 18.03.2026 | Most recent event Tooltip | 30.10.1998 | Change - lapse in a contracting state New state(s): FR | published on 16.12.1998 [1998/51] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
| Former [1981/48] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Lindner, Wolfgang, Dr. Gneisenau Strasse 15 A D-4047 Dormagen / DE | 02 /
Arend, Günter, Dr. Claudiusstrasse 42 D-4047 Dormagen / DE | 03 /
Barnikel, Claus-Dieter, Dr. Rybniker Strasse 10 D-5000 Köln 80 / DE | 04 /
Frauenkron, Günter, Ing. Grad. Koelner Strasse 133 D-5093 Burscheid 2 / DE | [1981/48] | Application number, filing date | 81103501.3 | 08.05.1981 | [1981/48] | Priority number, date | DE19803019232 | 20.05.1980 Original published format: DE 3019232 | [1981/48] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0040729 | Date: | 02.12.1981 | Language: | DE | [1981/48] | Type: | A3 Search report | No.: | EP0040729 | Date: | 15.09.1982 | Language: | DE | [1982/37] | Type: | B1 Patent specification | No.: | EP0040729 | Date: | 09.07.1986 | Language: | DE | [1986/28] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 14.07.1982 | Classification | IPC: | C08K9/02, C08J3/22, C08L21/00 | [1981/48] | CPC: |
B01J2/20 (EP,US);
B29B9/06 (EP,US);
C08J3/22 (EP,US);
C08J2321/00 (EP,US)
| Designated contracting states | BE, DE, FR, GB, IT, NL [1981/48] | Title | German: | Granulatförmige Pulveragglomerate und ein Verfahren zu deren Herstellung | [1981/48] | English: | Granular powder agglomerates, and process for preparing same | [1981/48] | French: | Agglomérés granulaires de poudre et procédé pour leur préparation | [1981/48] | Examination procedure | 08.05.1981 | Examination requested [1981/48] | 04.05.1984 | Despatch of a communication from the examining division (Time limit: M04) | 04.09.1984 | Reply to a communication from the examining division | 18.07.1985 | Despatch of communication of intention to grant (Approval: ) | 31.10.1985 | Communication of intention to grant the patent | 11.11.1985 | Fee for grant paid | 11.11.1985 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
02.04.1987
19.05.1987
ADMISSIBLE Akzo Nobel N.V. Velperweg 76 NL-6824 BM Arnhem / NL Opponent's representative Gottschal, Auko Jan Akzo Patents Department Postbus 314 NL-6800 AH Arnhem / NL | [N/P] |
| Former [1987/23] | |||
| Opponent(s) | 01
02.04.1987
19.05.1987
ADMISSIBLE Akzo N.V. Velperweg 76 NL-6824 BM Arnhem / NL Opponent's representative Gottschal, Auko Jan Akzo Patents Department Postbus 314 NL-6800 AH Arnhem / NL | 20.05.1987 | Invitation to proprietor to file observations on the notice of opposition | 11.12.1987 | Reply of patent proprietor to notice(s) of opposition | 24.02.1989 | Despatch of a communication from the opposition division (Time limit: M06) | 23.08.1989 | Reply to a communication from the opposition division | 20.02.1990 | Communication of observations of patent proprietor (Time limit: M04) | 19.11.1990 | Despatch of communication that the patent will be revoked | 29.11.1990 | Legal effect of revocation of patent [1991/16] | Fees paid | Renewal fee | 23.04.1983 | Renewal fee patent year 03 | 17.04.1984 | Renewal fee patent year 04 | 24.04.1985 | Renewal fee patent year 05 | 17.04.1986 | Renewal fee patent year 06 |
| Opt-out from the exclusive Tooltip competence of the Unified 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 Tooltip | GB | 08.05.1989 | BE | 31.05.1989 | NL | 01.12.1989 | FR | 31.01.1990 | DE | 01.02.1990 | [1998/51] |
| Former [1991/10] | GB | 08.05.1989 | |
| BE | 31.05.1989 | ||
| NL | 01.12.1989 | ||
| DE | 01.02.1990 | ||
| Former [1990/19] | GB | 08.05.1989 | |
| BE | 31.05.1989 | ||
| NL | 01.12.1989 | ||
| Former [1990/17] | GB | 08.05.1989 | |
| BE | 31.05.1989 | ||
| Former [1989/39] | BE | 31.05.1989 | Documents cited: | Search | [XO] JOURNAL OF POWDER AND BULK SOLIDS TECHNOLOGY, Band 4, Nr. 4, 1980, publiziert Oktober-Dezember 1980, International Powder Institute, Chicago, Illinois, USA; R. FRIEDRICH: "Powder compression with co-rotating twin-screw extruders". [XO] |