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EP0020735
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Extract from the Register of European Patents
EP About this file: EP0020735
| EP0020735 - FLASH DRYING SLUDGE DERIVED FUEL PROCESS [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 20.09.1984 Database last updated on 31.08.2024 | Most recent event Tooltip | 26.04.2002 | Lapse of the patent in a contracting state | published on 12.06.2002 [2002/24] | Applicant(s) | For all designated states HOOKER CHEMICALS & PLASTICS CORP. P.O.Box 189 345, Third Street Niagara Falls New York 14302 / US | [N/P] |
| Former [1981/01] | For all designated states HOOKER CHEMICALS & PLASTICS CORP. P.O.Box 189 345, Third Street Niagara Falls New York 14302 / US | Inventor(s) | 01 /
HEADLEY, Kenneth N 18 Glenhurst Road Tonawanda, NY 14150 / US | [1981/01] | Representative(s) | Corre, Jacques, et al Cabinet Regimbeau J. Corre-Y. Paillet-J.J. Martin-R. Schrimpf 26, Avenue Kléber 75116 Paris / FR | [N/P] |
| Former [1981/01] | Corre, Jacques Denis Paul, et al Cabinet Regimbeau J. Corre-Y. Paillet-J.J. Martin-R. Schrimpf 26, Avenue Kléber F-75116 Paris / FR | Application number, filing date | 80900167.0 | 21.11.1979 | [1981/01] | WO1979US01005 | Priority number, date | US19780973770 | 27.12.1978 Original published format: US 973770 | [1981/01] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | WO8001407 | Date: | 10.07.1980 | [1980/15] | Type: | A1 Application with search report | No.: | EP0020735 | Date: | 07.01.1981 | Language: | EN | The application published by WIPO in one of the EPO official languages on 10.07.1980 takes the place of the publication of the European patent application. | [1981/01] | Type: | B1 Patent specification | No.: | EP0020735 | Date: | 16.11.1983 | Language: | EN | [1983/46] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 24.04.1981 | Classification | IPC: | F23G5/04 | [1981/01] | CPC: |
C02F11/12 (EP,US);
C02F11/13 (EP,US);
F23G5/46 (EP,US);
F23G7/001 (EP,US);
F23G7/061 (EP,US);
F23J15/06 (EP,US);
F26B1/00 (EP,US);
F26B23/022 (EP,US);
F26B23/028 (EP,US);
| Designated contracting states | FR [1981/01] | Title | German: | VERFAHREN ZUR HERSTELLUNG EINES AUS SCHNELL GETROCKNETEM SCHLAMM ABGELEITETEN BRENNSTOFFS | [1981/01] | English: | FLASH DRYING SLUDGE DERIVED FUEL PROCESS | [1981/01] | French: | PROCEDE DE PRODUCTION D'UN COMBUSTIBLE DERIVE D'UNE BOUE SECHEE INSTANTANEMENT | [1981/01] | File destroyed: | 20.04.2002 | Entry into regional phase | 21.08.1980 | National basic fee paid | 21.08.1980 | Search fee paid | 21.08.1980 | Designation fee(s) paid | 03.10.1980 | Examination fee paid | Examination procedure | 06.10.1980 | Examination requested [1981/02] | 14.08.1981 | Despatch of a communication from the examining division (Time limit: M04) | 18.12.1981 | Reply to a communication from the examining division | 26.05.1982 | Despatch of a communication from the examining division (Time limit: M04) | 08.09.1982 | Reply to a communication from the examining division | 25.10.1982 | Despatch of a communication from the examining division (Time limit: M04) | 24.02.1983 | Reply to a communication from the examining division | 30.03.1983 | Despatch of communication of intention to grant (Approval: ) | 06.05.1983 | Communication of intention to grant the patent | 01.07.1983 | Fee for grant paid | 01.07.1983 | Fee for publishing/printing paid | Opposition(s) | 17.08.1984 | No opposition filed within time limit [1984/47] | Fees paid | Renewal fee | 16.04.1982 | Renewal fee patent year 03 | 31.03.1982 | Renewal fee patent year 04 | Penalty fee | Additional fee for renewal fee | 30.11.1981 | 03 M06 Fee paid on 31.03.1982 |
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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 | FR | 16.11.1983 | [2002/24] | Documents cited: | Search | GB1172571 [ ] (DORR OLIVER INC [US]) | International search | [X]US3772998 (MENIGAT R); | [X]US3954069 (LOKEN PER A); | [X]US4099336 (MAFFET VERE) | [X] - "Williams SDG System", Williams Patent Crusher and Pulverizer Company-Bulletin 948. | Examination | US2032402 | CH540858 | US4013023 |