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EP0520808
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EP About this file: EP0520808
| EP0520808 - Treatment of organic sulfonic acid [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 30.04.1999 Database last updated on 14.09.2024 | Most recent event Tooltip | 30.04.1999 | Application deemed to be withdrawn | published on 16.06.1999 [1999/24] | Applicant(s) | For all designated states The Lubrizol Corporation 29400 Lakeland Boulevard Wickliffe, Ohio 44092-2298 / US | [N/P] |
| Former [1993/01] | For all designated states THE LUBRIZOL CORPORATION 29400 Lakeland Boulevard Wickliffe, Ohio 44092-2298 / US | Inventor(s) | 01 /
Schnur, Eric Robert 5690 Beech Drive Mentor, Ohio 44060 / US | 02 /
Westfall, David Leonard 5848 Gareau Drive North Olmsted, Ohio 44070 / US | [1993/01] | Representative(s) | Mallalieu, Catherine Louise D Young & Co LLP 120 Holborn London EC1N 2DY / GB | [N/P] |
| Former [1993/01] | Mallalieu, Catherine Louise D. Young & Co., 21 New Fetter Lane London EC4A 1DA / GB | Application number, filing date | 92305890.3 | 26.06.1992 | [1993/01] | Priority number, date | US19910723144 | 28.06.1991 Original published format: US 723144 | [1993/01] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0520808 | Date: | 30.12.1992 | Language: | EN | [1992/53] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 28.09.1992 | Classification | IPC: | C07C303/42, C07C309/31 | [1993/01] | CPC: |
C07C303/42 (EP,US);
C07G99/0024 (EP,US)
| C-Set: |
C07C303/42, C07C309/31 (EP,US)
| Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LI, LU, MC, NL, PT, SE [1993/01] | Title | German: | Behandlung von organischen Sulfonsäuren | [1993/01] | English: | Treatment of organic sulfonic acid | [1993/01] | French: | Traitement d'un acide sulfonique organique | [1993/01] | Examination procedure | 09.06.1993 | Examination requested [1993/32] | 06.07.1995 | Despatch of a communication from the examining division (Time limit: M06) | 08.01.1996 | Reply to a communication from the examining division | 22.08.1996 | Despatch of a communication from the examining division (Time limit: M06) | 28.02.1997 | Reply to a communication from the examining division | 12.08.1998 | Despatch of a communication from the examining division (Time limit: M04) | 23.12.1998 | Application deemed to be withdrawn, date of legal effect [1999/24] | 22.01.1999 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1999/24] | Fees paid | Renewal fee | 27.05.1994 | Renewal fee patent year 03 | 26.05.1995 | Renewal fee patent year 04 | 28.05.1996 | Renewal fee patent year 05 | 27.05.1997 | Renewal fee patent year 06 | 26.05.1998 | Renewal fee patent year 07 |
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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. | Documents cited: | Search | [XD]FR2341565 (EXXON RESEARCH ENGINEERING CO [US]); | [AD]EP0002907 (EXXON RESEARCH ENGINEERING CO [US]) |