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EP0152105
European procedure
Extract from the Register of European Patents
EP About this file: EP0152105
| EP0152105 - Process for the suspension polymerization of tetrafluoroethylene [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 08.03.1990 Database last updated on 09.04.2026 | Most recent event Tooltip | 08.03.1990 | No opposition filed within time limit | published on 25.04.1990 [1990/17] | Applicant(s) | For all designated states E. I. du Pont de Nemours and Company 1007 Market Street Wilmington, DE 19898 / US | [N/P] |
| Former [1985/34] | For all designated states E.I. DU PONT DE NEMOURS AND COMPANY 1007 Market Street Wilmington Delaware 19898 / US | Inventor(s) | 01 /
Cavanaugh, Robert John 4 Foxboro Drive Vienna West Virginia 26105 / US | [1985/34] | Representative(s) | Abitz, Walter, et al Patentanwälte Abitz & Partner Postfach 86 01 09 81628 München / DE | [N/P] |
| Former [1985/34] | Abitz, Walter, Dr.-Ing., et al Patentanwälte Abitz & Partner Postfach 86 01 09 D-81628 München / DE | Application number, filing date | 85101544.6 | 13.02.1985 | [1985/34] | Priority number, date | US19840579568 | 13.02.1984 Original published format: US 579568 | [1985/34] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0152105 | Date: | 21.08.1985 | Language: | EN | [1985/34] | Type: | A3 Search report | No.: | EP0152105 | Date: | 30.04.1986 | Language: | EN | [1986/18] | Type: | B1 Patent specification | No.: | EP0152105 | Date: | 19.04.1989 | Language: | EN | [1989/16] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.03.1986 | Classification | IPC: | C08F114/26, C08F2/18, C08F14/26 | [1989/16] | CPC: |
C08F14/26 (EP,US)
| C-Set: |
C08F14/26, C08F2/16 (EP,US)
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| Former IPC [1985/34] | C08F114/26, C08F2/18 | Designated contracting states | DE, GB, IT [1989/16] |
| Former [1985/34] | DE, FR, GB, IT, NL | Title | German: | Verfahren zur Suspensionspolymerisation von Tetrafluorethylen | [1985/34] | English: | Process for the suspension polymerization of tetrafluoroethylene | [1985/34] | French: | Procédé pour la polymérisation en suspension de tétrafluoroéthylène | [1985/34] | Examination procedure | 24.04.1986 | Examination requested [1986/27] | 15.06.1987 | Despatch of a communication from the examining division (Time limit: M04) | 19.11.1987 | Despatch of a communication from the examining division (Time limit: M02) | 19.01.1988 | Reply to a communication from the examining division | 19.04.1988 | Despatch of communication of intention to grant (Approval: Yes) | 06.09.1988 | Communication of intention to grant the patent | 23.11.1988 | Fee for grant paid | 23.11.1988 | Fee for publishing/printing paid | Opposition(s) | 20.01.1990 | No opposition filed within time limit [1990/17] | Fees paid | Renewal fee | 27.01.1987 | Renewal fee patent year 03 | 27.01.1988 | Renewal fee patent year 04 | 27.01.1989 | Renewal fee patent year 05 |
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