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EP0480764
European procedure
Extract from the Register of European Patents
EP About this file: EP0480764
| EP0480764 - Process to determine the stability of oil mixtures, including shale oil and fractions thereof [Right-click to bookmark this link] | |||
| Former [1992/16] | Process to find stability of oil mixtures, including shale oil and fractions thereof | ||
| [1996/24] | Status | No opposition filed within time limit Status updated on 18.04.1997 Database last updated on 26.04.2025 | Most recent event Tooltip | 07.12.2007 | Lapse of the patent in a contracting state Updated state(s): FR | published on 09.01.2008 [2008/02] | Applicant(s) | For all designated states PETRÓLEO BRASILEIRO S.A. - PETROBRAS Avenida Republica do Chile, 65 Rio de Janeiro / BR | [N/P] |
| Former [1992/16] | For all designated states PETROLEO BRASILEIRO S.A. - PETROBRAS Avenida Republica do Chile, 65 Rio de Janeiro / BR | Inventor(s) | 01 /
Bruning, Inai Martins Ribeiro de Andrade Rua Presidente Carlos de Campos No. 115-apt 1004 Bloco 2, Laranjeiras, Rio de Janeiro, RJ / BR | [1992/16] | Representative(s) | Woods, Geoffrey Corlett, et al J A Kemp 14 South Square Gray's Inn London WC1R 5JJ / GB | [N/P] |
| Former [1996/10] | Woods, Geoffrey Corlett, et al J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5LX / GB | ||
| Former [1992/16] | Collier, Jeremy Austin Grey, et al J.A.KEMP & CO. 14 South Square Gray's Inn London WC1R 5LX / GB | Application number, filing date | 91309401.7 | 11.10.1991 | [1992/16] | Priority number, date | BR19909005133 | 12.10.1990 Original published format: BR 9005133 | [1992/16] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0480764 | Date: | 15.04.1992 | Language: | EN | [1992/16] | Type: | A3 Search report | No.: | EP0480764 | Date: | 17.03.1993 | Language: | EN | [1993/11] | Type: | B1 Patent specification | No.: | EP0480764 | Date: | 12.06.1996 | Language: | EN | [1996/24] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 25.01.1993 | Classification | IPC: | G01N33/28, G01N33/26, G01N30/02, G01N30/88 | [1993/11] | CPC: |
G01N33/2829 (EP,US);
G01N30/50 (EP,US);
Y10T436/212 (EP,US)
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| Former IPC [1992/16] | G01N33/26, G01N33/28, G01N30/02, G01N30/88 | Designated contracting states | BE, DE, ES, FR, GB, IT, LU, NL [1992/16] | Title | German: | Verfahren für die Bestimmung von Stabilität von Ölgemischen, einschliesslich Schieferöl und dessen Fraktionen | [1996/24] | English: | Process to determine the stability of oil mixtures, including shale oil and fractions thereof | [1996/24] | French: | Méthode pour déterminer la stabilité de mélanges d'huile, y compris l'huile de schiste et des fractions de celle-ci | [1996/24] |
| Former [1992/16] | Verfahren für das Auffinden von Stabilität von Ölgemischen, einschliesslich Schieferöl und dessen Fraktionen | ||
| Former [1992/16] | Process to find stability of oil mixtures, including shale oil and fractions thereof | ||
| Former [1992/16] | Méthode pour trouver la stabilité de mélanges d'huile, y compris l'huile de schiste et des fractions de celle-ci | Examination procedure | 10.03.1993 | Examination requested [1993/19] | 01.12.1994 | Despatch of a communication from the examining division (Time limit: M06) | 12.06.1995 | Reply to a communication from the examining division | 13.10.1995 | Despatch of communication of intention to grant (Approval: Yes) | 13.12.1995 | Communication of intention to grant the patent | 11.03.1996 | Fee for grant paid | 11.03.1996 | Fee for publishing/printing paid | Opposition(s) | 13.03.1997 | No opposition filed within time limit [1997/23] | Fees paid | Renewal fee | 11.10.1993 | Renewal fee patent year 03 | 08.10.1994 | Renewal fee patent year 04 | 10.10.1995 | Renewal fee patent year 05 |
| 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 | BE | 12.06.1996 | ES | 12.06.1996 | FR | 12.06.1996 | IT | 12.06.1996 | LU | 31.10.1996 | [2006/14] |
| Former [2002/25] | BE | 12.06.1996 | |
| ES | 12.06.1996 | ||
| IT | 12.06.1996 | ||
| LU | 31.10.1996 | ||
| FR | 08.11.1996 | ||
| Former [2000/06] | BE | 12.06.1996 | |
| IT | 12.06.1996 | ||
| LU | 31.10.1996 | ||
| FR | 08.11.1996 | ||
| Former [1999/42] | BE | 12.06.1996 | |
| IT | 12.06.1996 | ||
| FR | 08.11.1996 | ||
| Former [1997/21] | BE | 12.06.1996 | |
| FR | 08.11.1996 | ||
| Former [1997/17] | FR | 08.11.1996 | Documents cited: | Search | [A]US4202193 (WILSON WALTER A [US]); | [A]FR2495780 (ELF AQUITAINE [FR]); | [A]US4438203 (WOHLTJEN HENRY [US], et al); | [Y]DE3438932 (SCHALLER AUTOMATION [DE]); | [A]EP0241233 (EXXON CHEMICAL PATENTS INC [US]); | [YD]GB2207246 (PETROLEO BRASILEIRO SA); | [A]EP0342869 (EXXON RESEARCH ENGINEERING CO [US]) | Examination | - G0011/91 | - T0115/85 | - T0163/85 | - ADVANCES IN CHROMATOGRAPHY, vol. 1, Giddings & Keller (ed.), Marcel Dekker Inc. (publ.), New York, NY (US); KOVATS, pp. 229-247 |