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EP0436225
European procedure
Extract from the Register of European Patents
EP About this file: EP0436225
| EP0436225 - A method of preparing block copolymers [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 26.04.1996 Database last updated on 03.09.2024 | Most recent event Tooltip | 26.04.1996 | No opposition filed within time limit | published on 12.06.1996 [1996/24] | Applicant(s) | For all designated states Phillips Petroleum Company 5th and Keeler Bartlesville Oklahoma 74004 / US | [N/P] |
| Former [1991/28] | For all designated states PHILLIPS PETROLEUM COMPANY 5th and Keeler Bartlesville Oklahoma 74004 / US | Inventor(s) | 01 /
Trepka, William James Route 1, Box 362-B1 Bartlesville, OK 74003 / US | 02 /
Moczygemba, George Anthony 824 SE Crestland Drive Bartlesville, OK 74006 / US | 03 /
Farrar, Ralph Coleman, Jr. 2352 London Lane Bartlesville, OK 74006 / US | [1991/28] | Representative(s) | Dost, Wolfgang, et al Bardehle Pagenberg Partnerschaft Patentanwälte, Rechtsanwälte Postfach 86 06 20 81633 München / DE | [N/P] |
| Former [1991/28] | Dost, Wolfgang, Dr.rer.nat., Dipl.-Chem., et al Patent- und Rechtsanwälte Bardehle . Pagenberg . Dost . Altenburg . Frohwitter . Geissler & Partner Postfach 86 06 20 D-81633 München / DE | Application number, filing date | 90125609.9 | 27.12.1990 | [1991/28] | Priority number, date | US19900459493 | 02.01.1990 Original published format: US 459493 | [1991/28] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0436225 | Date: | 10.07.1991 | Language: | EN | [1991/28] | Type: | B1 Patent specification | No.: | EP0436225 | Date: | 21.06.1995 | Language: | EN | [1995/25] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 16.04.1991 | Classification | IPC: | C08F297/04 | [1991/28] | CPC: |
C08F297/044 (EP,US);
C08F297/04 (KR);
C08J5/18 (EP,US);
C08J2325/10 (EP,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, IT, LI, NL [1991/28] | Title | German: | Verfahren zur Herstellung von Blockcopolymeren | [1991/28] | English: | A method of preparing block copolymers | [1991/28] | French: | Procédé pour la préparation de blocs copolymères | [1991/28] | Examination procedure | 08.11.1991 | Examination requested [1992/02] | 06.07.1993 | Despatch of a communication from the examining division (Time limit: M07) | 27.05.1994 | Reply to a communication from the examining division | 17.08.1994 | Despatch of communication of intention to grant (Approval: No) | 14.12.1994 | Despatch of communication of intention to grant (Approval: later approval) | 20.12.1994 | Communication of intention to grant the patent | 01.03.1995 | Fee for grant paid | 01.03.1995 | Fee for publishing/printing paid | Opposition(s) | 22.03.1996 | No opposition filed within time limit [1996/24] | Request for further processing for: | 27.05.1994 | Request for further processing filed | 27.05.1994 | Full payment received (date of receipt of payment) | Fees paid | Renewal fee | 02.11.1992 | Renewal fee patent year 03 | 19.11.1993 | Renewal fee patent year 04 | 28.11.1994 | 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 | [A]US4352912 (NAYLOR FLOYD E); | [A]EP0270515 (LABOFINA SA [BE]); | [A]DE3738748 (BASF AG [DE]) |