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EP0505897
European procedure
Extract from the Register of European Patents
EP About this file: EP0505897
| EP0505897 - Polyesters showing a high crystallization rate and process for their preparation [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 19.12.1997 Database last updated on 18.01.2025 | Most recent event Tooltip | 07.12.2007 | Lapse of the patent in a contracting state | published on 09.01.2008 [2008/02] | Applicant(s) | For all designated states ENICHEM S.p.A. Piazza Repubblica, 16 20124 Milano / IT | [N/P] |
| Former [1994/13] | For all designated states ENICHEM S.p.A. Piazza Repubblica, 16 I-20124 Milano / IT | ||
| Former [1992/40] | For all designated states ISTITUTO GUIDO DONEGANI S.p.A. 4, Via Fauser I-28100 Novara / IT | Inventor(s) | 01 /
Po', Ricardo, Dr. 20, Via Rosmini I-28100 Novara / IT | 02 /
Occhiello, Ernesto, Dr. 13, Corso Cavallotti I-28100 Novara / IT | 03 /
Garbassi, Fabio, Dr. 6, Via Carlo Porta I-28100 Novara / IT | 04 /
Pelosini, Luigi 10, Via A. Volta I-28010 Fontaneto d'Agogna (NO) / IT | [1992/40] | Representative(s) | Weinhold, Peter, et al Winter, Brandl, Fürniss, Hübner Röss, Kaiser, Polte Partnerschaft Patent- und Rechtsanwaltskanzlei, Alois-Steinecker-Strasse 22 85354 Freising / DE | [N/P] |
| Former [1992/40] | Weinhold, Peter, Dr., et al Patentanwälte Dr. Weinhold, Dannenberg, Dr. Gudel, Schubert Siegfriedstrasse 8 D-80803 München / DE | Application number, filing date | 92104611.6 | 17.03.1992 | [1992/40] | Priority number, date | IT1991MI00713 | 18.03.1991 Original published format: IT MI910713 | [1992/40] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0505897 | Date: | 30.09.1992 | Language: | EN | [1992/40] | Type: | B1 Patent specification | No.: | EP0505897 | Date: | 12.02.1997 | Language: | EN | [1997/07] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.08.1992 | Classification | IPC: | C08G63/185 | [1992/40] | CPC: |
C08G63/60 (EP,US);
C08G63/185 (EP,US)
| Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LI, LU, NL, SE [1992/40] | Title | German: | Polyester mit hoher Kristallisationsgeschwindigkeit und Verfahren zu ihrer Herstellung | [1992/40] | English: | Polyesters showing a high crystallization rate and process for their preparation | [1992/40] | French: | Polyesters ayant une vitesse de cristallisation élevée et procédé pour leur préparation | [1992/40] | Examination procedure | 09.03.1993 | Examination requested [1993/19] | 22.06.1995 | Despatch of a communication from the examining division (Time limit: M04) | 18.10.1995 | Reply to a communication from the examining division | 19.12.1995 | Despatch of a communication from the examining division (Time limit: M04) | 16.04.1996 | Reply to a communication from the examining division | 13.06.1996 | Despatch of communication of intention to grant (Approval: Yes) | 08.08.1996 | Communication of intention to grant the patent | 17.10.1996 | Fee for grant paid | 17.10.1996 | Fee for publishing/printing paid | Opposition(s) | 13.11.1997 | No opposition filed within time limit [1998/06] | Fees paid | Renewal fee | 09.03.1994 | Renewal fee patent year 03 | 09.03.1995 | Renewal fee patent year 04 | 08.03.1996 | 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 | IT | 12.02.1997 | [2008/02] |
| Former [1999/42] | IT | 12.02.1997 | Documents cited: | Search | [A]JP56104933 | [A] - PATENT ABSTRACTS OF JAPAN, vol. 5, no. 180 (C-79)[852], 19th November 1981; & JP-A-56 104 933 (KURARAY K.K.) 21-08-1981, & JP56104933 A 00000000 | [A] - MAKROMOL. CHEM., vol. 186, no. 8, August 1985, pages 1575-1591; A.Y. BILIBIN et al.: "Thermotropic polyesters, 2. Synthesis of regular polyesters from aromatic dicarboxylic acids and phenols or aliphatic diols, and study of their mesomorphic properties" | [A] - MOL. CRYST. LIQ. CRYST., vol. 193, November/December 1990, pages 199-204; E. HEMPEL et al.: "From conventional to liquid crystalline polyesters" |