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EP0078616
European procedure
Extract from the Register of European Patents
EP About this file: EP0078616
| EP0078616 - Process for preparing ethylene glycol [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 03.02.1986 Database last updated on 19.07.2024 | Most recent event Tooltip | 28.09.2007 | Lapse of the patent in a contracting state New state(s): FR | published on 31.10.2007 [2007/44] | Applicant(s) | For all designated states TEXACO DEVELOPMENT CORPORATION 2000 Westchester Avenue White Plains New York 10650 / US | [N/P] |
| Former [1983/19] | For all designated states TEXACO DEVELOPMENT CORPORATION 2000 Westchester Avenue White Plains, New York 10650 / US | Inventor(s) | 01 /
Knifton, John Frederick 10900 Catskill Trail Austin Texas 78750 / US | [1983/19] | Representative(s) | Brock, Peter William, et al Michael Burnside & Partners 2 Serjeants' Inn Fleet Street London EC4Y 1HL / GB | [1983/19] | Application number, filing date | 82305348.3 | 07.10.1982 | [1983/19] | Priority number, date | US19810316197 | 29.10.1981 Original published format: US 316197 | [1983/19] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0078616 | Date: | 11.05.1983 | Language: | EN | [1983/19] | Type: | A3 Search report | No.: | EP0078616 | Date: | 10.08.1983 | Language: | EN | [1983/32] | Type: | B1 Patent specification | No.: | EP0078616 | Date: | 03.04.1985 | Language: | EN | [1985/14] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.06.1983 | Classification | IPC: | C07C29/38, C07C31/20 | [1983/19] | CPC: |
C07C29/38 (EP,KR,US);
Y02P20/52 (EP,US)
| C-Set: |
C07C29/38, C07C31/202 (EP,US)
| Designated contracting states | BE, DE, FR, GB, IT, NL, SE [1983/19] | Title | German: | Verfahren zur Herstellung von Äthylenglycol | [1983/19] | English: | Process for preparing ethylene glycol | [1983/19] | French: | Procédé de préparation de l'éthylène glycol | [1983/19] | File destroyed: | 20.04.2002 | Examination procedure | 18.10.1983 | Examination requested [1983/51] | 18.05.1984 | Despatch of communication of intention to grant (Approval: ) | 09.08.1984 | Communication of intention to grant the patent | 10.11.1984 | Fee for grant paid | 10.11.1984 | Fee for publishing/printing paid | Opposition(s) | 04.01.1986 | No opposition filed within time limit [1986/13] | Fees paid | Renewal fee | 25.09.1984 | Renewal fee patent year 03 |
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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 | BE | 03.04.1985 | FR | 03.04.1985 | IT | 03.04.1985 | NL | 03.04.1985 | SE | 30.04.1985 | [2002/24] |
| Former [1999/42] | BE | 03.04.1985 | |
| IT | 03.04.1985 | ||
| NL | 03.04.1985 | ||
| SE | 30.04.1985 | ||
| Former [1988/13] | BE | 03.04.1985 | |
| NL | 03.04.1985 | ||
| SE | 30.04.1985 | ||
| Former [1988/04] | BE | 03.04.1985 | |
| NL | 03.04.1985 | ||
| Former [1986/28] | NL | 03.04.1985 | Documents cited: | Search | [A]JP7898917 ; | [AD]JP51128903 ; | [A]US4079085 (WALL ROBERT G); | [A]DE875802 (BASF AG); | [AD]US2451333 (GRESHAM WILLIAM F, et al); | [A]US2587576 (EDMUND FIELD, et al); | [L]US4356332 (KNIFTON JOHN F); | [AD]US4144401 (WALL ROBERT G); | [AD]US4200765 (GOETZ RICHARD W [US]) | [AD] - INORGANIC CHEMISTRY, vol.6, no. 5, May 1967, pages 981-988, EASTON (US); | [A] - CHEMICAL ABSTRACT, vol. 90, no. 3, 15th January 1979, page 585, no. 223069, Columbus Ohio (US); & JP - A - 78 98 917 (MITSUBISHI PETROCHEMICAL CO., LTD.) (29-08-1978), & JP7898917 A 00000000 | [AD] - DERWENT JAPANESE PATENTS REPORT, Section ch, chemical, vol. 1, no. 13, 22nd March 1977, page 767 C 76; & JP - A - 51 128 903 (MITSUBISHI KASEI K.K.) (10-11-1976), & JP51128903 A 00000000 |