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EP0374508
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EP About this file: EP0374508
| EP0374508 - Method for preparing polycarbonate-polysiloxane block copolymers [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 06.09.1994 Database last updated on 03.09.2024 | Most recent event Tooltip | 15.08.2008 | Change - applicant | published on 17.09.2008 [2008/38] | Applicant(s) | For all designated states GENERAL ELECTRIC COMPANY 1 River Road Schenectady, NY 12345 / US | [N/P] |
| Former [2008/38] | For all designated states GENERAL ELECTRIC COMPANY 1 River Road Schenectady NY 12345 / US | ||
| Former [1990/26] | For all designated states GENERAL ELECTRIC COMPANY 1 River Road Schenectady New York 12305 / US | Inventor(s) | 01 /
Silva, James Manio 8 Barkwood Lane Clifton Park New York 12065 / US | 02 /
Pyles, Robert Allen 432 Galway Drive Bethel Park Pennsylvania 15102 / US | [1990/26] | Representative(s) | Catherine, Alain General Electric France Service de Propriété Industrielle 18, rue Horace Vernet 92136 Issy-Les-Moulineaux Cedex / FR | [N/P] |
| Former [1990/26] | Catherine, Alain General Electric France Service de Propriété Industrielle 18 Rue Horace Vernet F-92136 Issy-Les-Moulineaux Cedex / FR | Application number, filing date | 89121626.9 | 23.11.1989 | [1990/26] | Priority number, date | US19880286674 | 19.12.1988 Original published format: US 286674 | [1990/26] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0374508 | Date: | 27.06.1990 | Language: | EN | [1990/26] | Type: | A3 Search report | No.: | EP0374508 | Date: | 28.08.1991 | Language: | EN | [1991/35] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 09.07.1991 | Classification | IPC: | C08G77/448 | [1990/26] | CPC: |
C08G77/448 (EP)
| Designated contracting states | DE, FR, GB, IT, NL [1990/26] | Title | German: | Verfahren zur Herstellung von Polysiloxan-Polycarbonat-Blockcopolymeren | [1990/26] | English: | Method for preparing polycarbonate-polysiloxane block copolymers | [1990/26] | French: | Procédé de préparation des copolyméres-blocs polysiloxane-polycarbonate | [1990/26] | File destroyed: | 15.01.2000 | Examination procedure | 20.12.1991 | Examination requested [1992/09] | 02.12.1993 | Despatch of a communication from the examining division (Time limit: M04) | 13.04.1994 | Application deemed to be withdrawn, date of legal effect [1994/43] | 16.05.1994 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1994/43] | Fees paid | Renewal fee | 14.11.1991 | Renewal fee patent year 03 | 19.11.1992 | Renewal fee patent year 04 | 04.11.1993 | 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. | Documents cited: | Search | [E]EP0376052 ; | [X]EP0193757 ; | [AD]US3189662 ; | [AD]US3379790 ; | [A]FR2263224 | [A] - JOURNAL OF POLYMER SCIENCE, POLYMER LETTERS EDITION. vol. 7, no. 8, August 1969, NEW YORK US pages 569 - 572; H.A. Vaughn: "The Synthesis and Properties of Alternating Block Polymers of Dimethylsiloxane and Bisphenol-A Carbonate." |