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EP0052217
European procedure
Extract from the Register of European Patents
EP About this file: EP0052217
| EP0052217 - Process for stabilizing by encapsulation red phosphorus to be used as flame retardant of polymeric materials and product so obtained [Right-click to bookmark this link] | Status | Patent revoked Status updated on 12.09.1991 Database last updated on 03.04.2025 | Most recent event Tooltip | 05.10.2005 | Change: Appeal number | Applicant(s) | For all designated states SAFFA S.p.a. Via Del Lauro, 9 I-20121 Milano / IT | [1982/21] | Inventor(s) | 01 /
Albanesi, Giancarlo Politecnico di Milano Piazza Leonardo da Vinci I-20133 Milano / IT | 02 /
Rinaldi, Gianfranco c/o Saffa S.p.A. Via Moscova No 18 I-20121 Milano / IT | [1982/21] | Representative(s) | Ferri, Antonio c/o BREVETTI EUROPA S.r.l. Piazza Bernini 6 20133 Milano / IT | [N/P] |
| Former [1982/21] | Ferri, Antonio c/o BREVETTI EUROPA S.r.l. Piazza Bernini 6 I-20133 Milano / IT | Application number, filing date | 81107981.3 | 07.10.1981 | [1982/21] | Priority number, date | IT19800026064 | 19.11.1980 Original published format: IT 2606480 | [1982/21] | Filing language | IT | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0052217 | Date: | 26.05.1982 | Language: | EN | [1982/21] | Type: | B1 Patent specification | No.: | EP0052217 | Date: | 08.01.1986 | Language: | EN | [1986/02] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.03.1982 | Classification | IPC: | C08K9/10, C08L23/02, C08L77/00 | [1982/21] | CPC: |
C01B25/006 (EP,US);
C08K9/10 (EP,US)
| Designated contracting states | BE, DE, FR, GB, NL, SE [1982/21] | Title | German: | Verfahren zum Stabilisieren von rotem Phosphor durch Einkapselung zwecks Verwendung als Brandschutzmittel in polymeren Materialien und dadurch erhaltenes Produkt | [1982/21] | English: | Process for stabilizing by encapsulation red phosphorus to be used as flame retardant of polymeric materials and product so obtained | [1982/21] | French: | Procédé de stabilisation de phosphore rouge par enrobage en vue de son application comme retardateur d'inflammabilité pour matières polymères et un produit ainsi obtenu | [1982/21] | Examination procedure | 03.09.1982 | Examination requested [1982/45] | 21.11.1983 | Despatch of a communication from the examining division (Time limit: M02) | 20.12.1983 | Reply to a communication from the examining division | 31.10.1984 | Despatch of a communication from the examining division (Time limit: M04) | 29.11.1984 | Reply to a communication from the examining division | 30.01.1985 | Despatch of communication of intention to grant (Approval: ) | 18.04.1985 | Communication of intention to grant the patent | 09.05.1985 | Fee for grant paid | 09.05.1985 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
02.10.1986
21.10.1986
ADMISSIBLE HOECHST AKTIENGESELLSCHAFT, Frankfurt Werk Knapsack Patentabteilung D-50354 Hürth / DE | [1986/48] | 10.12.1986 | Invitation to proprietor to file observations on the notice of opposition | 04.03.1987 | Reply of patent proprietor to notice(s) of opposition | 15.04.1987 | Communication of observations of patent proprietor (Time limit: M04) | 30.07.1987 | Reply of parties involved to observations of patent proprietor | 30.08.1989 | Despatch of interlocutory decision in opposition | 16.08.1991 | Despatch of communication that the patent will be revoked | 11.09.1991 | Legal effect of revocation of patent [1991/44] | Appeal following opposition | 11.10.1989 | Appeal received No. T0667/89 | 20.12.1989 | Statement of grounds filed | 16.08.1991 | Result of appeal procedure: REVOCATION OF PATENT AT PROPRIETOR'S REQUEST | Fees paid | Renewal fee | 16.09.1983 | Renewal fee patent year 03 | 13.09.1984 | Renewal fee patent year 04 | 25.09.1985 | Renewal fee patent year 05 |
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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 | 31.10.1987 | NL | 01.05.1988 | SE | 08.10.1988 | GB | 18.11.1988 | [2000/03] |
| Former [1991/51] | GB | 07.10.1987 | |
| BE | 31.10.1987 | ||
| NL | 01.05.1988 | ||
| SE | 08.10.1988 | ||
| Former [1989/34] | GB | 07.10.1987 | |
| NL | 01.05.1988 | ||
| SE | 08.10.1988 | ||
| Former [1989/31] | GB | 07.10.1987 | |
| NL | 01.05.1988 | ||
| Former [1989/10] | NL | 01.05.1988 | Documents cited: | Search | US3721651 [ ] (YATES R); | DE2655739 [ ] (HOECHST AG); | DE2646835 [ ] (BAYER AG); | US4182839 [ ] (TESSON GERARD [FR]); | US4208317 [ ] (CERNY JACQUELINE [FR], et al) | Examination | DE2000033 | GB1157419 | US3657027 | DE2705042 | GB1545716 |