EP0616634 - METHOD FOR REMOVING SULFUR TO ULTRA LOW LEVELS FOR PROTECTION OF REFORMING CATALYSTS [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 05.06.1998 Database last updated on 02.08.2024 | Most recent event Tooltip | 03.05.2002 | Lapse of the patent in a contracting state New state(s): ES | published on 19.06.2002 [2002/25] | Applicant(s) | For all designated states Chevron U.S.A. Inc. 1635 Market Street Philadelphia Pennsylvania 19103 / US | [N/P] |
Former [1995/17] | For all designated states CHEVRON U.S.A. Inc. 1635 Market Street Philadelphia Pennsylvania 19103 / US | ||
Former [1994/39] | For all designated states CHEVRON RESEARCH AND TECHNOLOGY COMPANY a division of CHEVRON U.S.A. INC., Post Office Box 7141 San Francisco, CA 94120-7141 / US | Inventor(s) | 01 /
HOLTERMANN, Dennis, L. 55 Pennington Court Crockett, CA 94525 / US | 02 /
BROWN, Warren, E. 250 Bobolink Way Hercules, CA 94547 / US | [1994/39] | Representative(s) | Nash, David Allan Haseltine Lake LLP Redcliff Quay 120 Redcliff Street Bristol BS1 6HU / GB | [N/P] |
Former [1994/39] | Nash, David Allan Haseltine Lake & Co. 28 Southampton Buildings Chancery Lane London WC2A 1AT / GB | Application number, filing date | 92925106.4 | 05.11.1992 | [1994/39] | WO1992US09588 | Priority number, date | US19910804600 | 10.12.1991 Original published format: US 804600 | [1994/39] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9312204 | Date: | 24.06.1993 | Language: | EN | [1993/15] | Type: | A1 Application with search report | No.: | EP0616634 | Date: | 28.09.1994 | Language: | EN | The application published by WIPO in one of the EPO official languages on 24.06.1993 takes the place of the publication of the European patent application. | [1994/39] | Type: | B1 Patent specification | No.: | EP0616634 | Date: | 30.07.1997 | Language: | EN | [1997/31] | Search report(s) | International search report - published on: | US | 24.06.1993 | (Supplementary) European search report - dispatched on: | EP | 15.03.1995 | Classification | IPC: | C10G61/00, C10G61/02, C10G61/06, C10G61/10 | [1994/39] | CPC: |
C10G69/08 (EP,US);
C10G67/06 (EP,US)
| Designated contracting states | AT, BE, DE, ES, FR, GB, IT, NL [1994/39] | Title | German: | METHODE ZUR ENTFERNUNG VON SCHWEFEL ZU ULTRA NIEDRIGEN STÄRKEN ZUM SCHUTZ VON REFORMKATALYSATOREN | [1994/39] | English: | METHOD FOR REMOVING SULFUR TO ULTRA LOW LEVELS FOR PROTECTION OF REFORMING CATALYSTS | [1994/39] | French: | PROCEDE PERMETTANT DE REDUIRE PAR EXTRACTION UNE TENEUR EN SOUFRE A DES NIVEAUX EXTREMEMENT FAIBLES AFIN DE PROTEGER DES CATALYSEURS DE REFORMAGE | [1994/39] | Entry into regional phase | 05.07.1994 | National basic fee paid | 05.07.1994 | Search fee paid | 05.07.1994 | Designation fee(s) paid | 05.07.1994 | Examination fee paid | Examination procedure | 09.07.1993 | Request for preliminary examination filed International Preliminary Examining Authority: US | 05.07.1994 | Examination requested [1994/39] | 20.12.1995 | Despatch of a communication from the examining division (Time limit: M06) | 22.04.1996 | Reply to a communication from the examining division | 23.09.1996 | Despatch of communication of intention to grant (Approval: Yes) | 30.01.1997 | Communication of intention to grant the patent | 24.04.1997 | Fee for grant paid | 24.04.1997 | Fee for publishing/printing paid | Opposition(s) | 05.05.1998 | No opposition filed within time limit [1998/30] | Fees paid | Renewal fee | 07.11.1994 | Renewal fee patent year 03 | 10.11.1995 | Renewal fee patent year 04 | 11.11.1996 | Renewal fee patent year 05 |
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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 | AT | 30.07.1997 | ES | 30.07.1997 | [2002/25] |
Former [1998/15] | AT | 30.07.1997 | Documents cited: | Search | [ ] - No further relevant documents disclosed | International search | [A]US4225417 (NELSON THOMAS J); | [X]US4446005 (EBERLY JR PAUL E [US], et al); | [A]US4634515 (BAILEY GEORGE W [US], et al) |