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EP0273448
European procedure
Extract from the Register of European Patents
EP About this file: EP0273448
| EP0273448 - Silicone antifoams [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 02.07.1994 Database last updated on 26.03.2026 | Most recent event Tooltip | 12.10.1994 | Lapse of the patent in a contracting state | published on 30.11.1994 [1994/48] | Applicant(s) | For all designated states UNION CARBIDE CORPORATION 39 Old Ridgebury Road Danbury Connecticut 06817 / US | [N/P] |
| Former [1988/27] | For all designated states UNION CARBIDE CORPORATION 39 Old Ridgebury Road Danbury Connecticut 06817 / US | Inventor(s) | 01 /
Pelton, Robert Herbert Box 138 Rdl Barrett Hill Mahopac New York 10541 / US | 02 /
Goddard, Errol Desmond 349 Pleasant Lane Haworth New Jersey 07641 / US | [1988/27] | Representative(s) | Barz, Peter, et al Schmied-Kowarzik & Partner Patentanwälte Siegfriedstrasse 8 80803 München / DE | [N/P] |
| Former [1988/27] | Barz, Peter, Dr., et al Patentanwälte Dr. V. Schmied-Kowarzik Dipl.-Ing. G. Dannenberg Dr. P. Weinhold Dr. D. Gudel Dipl.-Ing. S. Schubert Dr. P. Barz Siegfriedstrasse 8 D-80803 München / DE | Application number, filing date | 87119331.4 | 29.12.1987 | [1988/27] | Priority number, date | US19860947876 | 30.12.1986 Original published format: US 947876 | [1988/27] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0273448 | Date: | 06.07.1988 | Language: | EN | [1988/27] | Type: | A3 Search report | No.: | EP0273448 | Date: | 25.04.1990 | Language: | EN | [1990/17] | Type: | B1 Patent specification | No.: | EP0273448 | Date: | 01.09.1993 | Language: | EN | [1993/35] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.03.1990 | Classification | IPC: | B01D19/04, C08F283/12 | [1990/17] | CPC: |
C10M155/02 (EP);
B01D19/0409 (EP);
C08F283/12 (EP);
C08F283/124 (EP);
C08F292/00 (EP);
C10M2201/105 (EP);
C10M2229/041 (EP);
C10M2229/042 (EP);
C10M2229/045 (EP);
C10M2229/046 (EP);
C10M2229/047 (EP);
C10M2229/048 (EP);
C10M2229/051 (EP);
C10M2229/052 (EP);
C10N2020/01 (EP);
| C-Set: |
B01D19/0409, B01D19/0413, B01D19/0427 (EP)
|
| Former IPC [1988/27] | C08F299/08, C08F283/12, C10M155/02, B01D19/04 | Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1988/27] | Title | German: | Silikon-Antischaummittel | [1988/27] | English: | Silicone antifoams | [1988/27] | French: | Silicone antimousse | [1988/27] | Examination procedure | 25.07.1990 | Examination requested [1990/38] | 26.08.1991 | Despatch of a communication from the examining division (Time limit: M06) | 21.02.1992 | Reply to a communication from the examining division | 29.06.1992 | Despatch of a communication from the examining division (Time limit: M04) | 10.07.1992 | Reply to a communication from the examining division | 04.12.1992 | Despatch of communication of intention to grant (Approval: Yes) | 03.03.1993 | Communication of intention to grant the patent | 23.04.1993 | Fee for grant paid | 23.04.1993 | Fee for publishing/printing paid | Opposition(s) | 02.06.1994 | No opposition filed within time limit [1994/34] | Fees paid | Renewal fee | 20.09.1989 | Renewal fee patent year 03 | 11.10.1990 | Renewal fee patent year 04 | 23.09.1991 | Renewal fee patent year 05 | 29.09.1992 | Renewal fee patent year 06 |
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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 | CH | 31.12.1993 | LI | 31.12.1993 | [1994/48] |