-
EP0260664
European procedure
- EP About this file
- EP Legal status
- EP Federated register
- EP Event history
- EP Citations
- EP Patent family
- EP All documents
Extract from the Register of European Patents
EP About this file: EP0260664
| EP0260664 - Process for preparing titanium dioxide in the form of spherical particles by hydrolysis of Ti (IV) [Right-click to bookmark this link] | Status | The application has been refused Status updated on 29.04.1992 Database last updated on 14.11.2024 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007 [2007/32] | Applicant(s) | For all designated states Montedison S.p.A. 31, Foro Buonaparte I-20121 Milan / IT | [1988/12] | Inventor(s) | 01 /
Montino, Franco, Dr. 30, Via Perazzi I-28100 Novara / IT | 02 /
Spoto, Giuseppe, Dr. 60/B, corso Allamano I-10136 Torino / IT | [1988/12] | Representative(s) | Weinhold, Peter, et al Patentanwälte Dr. Weinhold, Dannenberg, Dr. Gudel, Schubert Siegfriedstrasse 8 80803 München / DE | [N/P] |
| Former [1988/12] | Weinhold, Peter, Dr., et al Patentanwälte Dr. Weinhold, Dannenberg, Dr. Gudel, Schubert Siegfriedstrasse 8 D-80803 München / DE | Application number, filing date | 87113494.6 | 15.09.1987 | [1988/12] | Priority number, date | IT19860021710 | 16.09.1986 Original published format: IT 2171086 | [1988/12] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0260664 | Date: | 23.03.1988 | Language: | EN | [1988/12] | Type: | A3 Search report | No.: | EP0260664 | Date: | 09.11.1988 | Language: | EN | [1988/45] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.09.1988 | Classification | IPC: | C01G23/053 | [1988/12] | CPC: |
H01G9/2031 (EP,US);
C01G23/047 (KR);
C01G23/0532 (EP,US);
C01P2004/04 (EP,US);
C01P2004/32 (EP,US);
C01P2004/61 (EP,US);
Y02E10/542 (EP,US)
(-)
| Designated contracting states | BE, CH, DE, ES, FR, GB, LI, NL, SE [1988/12] | Title | German: | Verfahren zur Herstellung von kugelförmigen Teilchen von Titandioxyd durch Hydrolyse von Ti(IV) | [1988/12] | English: | Process for preparing titanium dioxide in the form of spherical particles by hydrolysis of Ti (IV) | [1988/12] | French: | Procédé de préparation de dioxyde de titane sous forme de particules sphériques par hydrolyse de Ti(IV) | [1988/12] | File destroyed: | 12.06.1999 | Examination procedure | 16.03.1989 | Examination requested [1989/20] | 13.12.1990 | Despatch of a communication from the examining division (Time limit: M04) | 22.04.1991 | Reply to a communication from the examining division | 17.07.1991 | Despatch of communication of intention to grant (Approval: ) | 14.01.1992 | Despatch of communication that the application is refused, reason: formalities examination [1992/25] | 24.01.1992 | Application refused, date of legal effect [1992/25] | Fees paid | Renewal fee | 11.09.1989 | Renewal fee patent year 03 | 21.09.1990 | Renewal fee patent year 04 | 09.09.1991 | Renewal fee patent year 05 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [A]SU1137080 ; | [Y]GB768665 (MONSANTO CHEMICALS); | [Y]US3658474 (ROTHWELL ERIC); | [X]FR2419743 (TIOXIDE GROUP LTD [GB]); | [A]EP0156491 (GEN MOTORS CORP [US]) | [Y] - W.L.K. SCHWOYER: "POLYELECTROLYTES FOR WATER AND WASTEWATER TREATMENT", 2nd edition, 1986, pages 16-25, CRC Press Inc., Boca Raton, Florida, US | [A] - CHEMICAL ABSTRACTS, vol. 102, no. 20, May 1985, page 142, abstract no. 169162q, Columbus, Ohio, US; & SU-A-1 137 080 (R.A. POCHEKOVSKII et al.) 30-01-1985 & WORLD SURFACE COATINGS ABSTRACTS, vol. 59, no. 524, February 1986, page 153, abstract no. 86/00723, Oxford, GB; R.A. POCHEKOVSKII: "A preparation of hydrated titanium dioxide"; & RUSSIAN PATENT 1137080, 2 pp: SOVIET INVENT. ILL. 1985, vol. 85, no. 34, Gp G, 2., & SU1137080 A 00000000 |