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EP0303853
European procedure
Extract from the Register of European Patents
EP About this file: EP0303853
| EP0303853 - Polymer blends having reverse phase morphology for controlled delivery of bioactive agents [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 23.07.1994 Database last updated on 31.08.2024 | Most recent event Tooltip | 23.07.1994 | No opposition filed within time limit | published on 14.09.1994 [1994/37] | Applicant(s) | For all designated states EASTMAN CHEMICAL COMPANY 100 North Eastman Road Kingsport TN 37660 / US | [N/P] |
| Former [1994/30] | For all designated states EASTMAN CHEMICAL COMPANY 100 North Eastman Road Kingsport, TN 37660 / US | ||
| Former [1989/35] | For all designated states EASTMAN KODAK COMPANY (a New Jersey corporation) 343 State Street Rochester, New York 14650 / US | ||
| Former [1989/08] | For all designated states EASTMAN KODAK COMPANY 343 State Street Rochester New York 14650 / US | Inventor(s) | 01 /
Kashdan, David Stuart Eastman Kodak Company Pat. Dep. 343 State Street Rochester New York 14650 / US | [1989/08] | Representative(s) | Behrens, Dieter, et al Wuesthoff & Wuesthoff Patentanwälte PartG mbB Schweigerstrasse 2 81541 München / DE | [N/P] |
| Former [1994/30] | Behrens, Dieter, Dr.-Ing., et al Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2 D-81541 München / DE | ||
| Former [1989/08] | Parent, Yves Kodak-Pathé Département Brevets et Licences Centre de Recherches et de Technologie Zone Industrielle F-71102 Chalon-sur-Saône Cédex / FR | Application number, filing date | 88111876.4 | 23.07.1988 | [1989/08] | Priority number, date | US19870087566 | 20.08.1987 Original published format: US 87566 | [1989/08] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0303853 | Date: | 22.02.1989 | Language: | EN | [1989/08] | Type: | A3 Search report | No.: | EP0303853 | Date: | 22.11.1990 | Language: | EN | [1990/47] | Type: | B1 Patent specification | No.: | EP0303853 | Date: | 22.09.1993 | Language: | EN | [1993/38] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 01.10.1990 | Classification | IPC: | A61K9/20, A61K9/22, A01N25/10, A61K47/00, C08L1/10, C08L1/12, C08L1/14 | [1989/08] | CPC: |
A61K9/7007 (EP,US);
A01N25/10 (EP,US);
A61K9/2054 (EP,US);
C08L1/14 (EP,US)
| C-Set: |
C08L1/14, C08L2666/02 (EP,US)
| Designated contracting states | CH, DE, FR, GB, LI [1989/08] | Title | German: | Polymermischung mit umkehrphasen Morphologie zur kontrollierten Wirkstoffabgabe | [1989/08] | English: | Polymer blends having reverse phase morphology for controlled delivery of bioactive agents | [1989/08] | French: | Mélange de polyméres à inversion de phase pour la libération controlée de substances biologiquement activés | [1989/08] | Examination procedure | 19.04.1991 | Examination requested [1991/25] | 16.01.1992 | Despatch of a communication from the examining division (Time limit: M08) | 17.09.1992 | Reply to a communication from the examining division | 30.10.1992 | Despatch of communication of intention to grant (Approval: No) | 18.01.1993 | Despatch of communication of intention to grant (Approval: later approval) | 27.01.1993 | Communication of intention to grant the patent | 14.04.1993 | Fee for grant paid | 14.04.1993 | Fee for publishing/printing paid | Opposition(s) | 23.06.1994 | No opposition filed within time limit [1994/37] | Fees paid | Renewal fee | 02.07.1990 | Renewal fee patent year 03 | 03.07.1991 | Renewal fee patent year 04 | 06.07.1992 | Renewal fee patent year 05 | 09.07.1993 | Renewal fee patent year 06 |
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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 | [AD]US3538214 (POLLI GERALD P, et al); | [A]FR2223048 (SHINETSU CHEMICAL CO [JP]); | [A]BE900824 (ELAN CORP PLC); | [A]US4610870 (JAIN NEMICHAND B [US], et al); | [A]EP0208213 (ROEHM GMBH [DE]) | [A] - CHEMICAL ABSTRACTS, vol. 104, no. 8, 24 February 1986 Columbus, Ohio, USA G.M.Zentner et al.: "Osmotic Flow through Controlled Porosity Films:An Approach to Delivery of Water Soluble Compounds" page 359; column 2; ref. no. 56335W &J. Controlled Release, 1985, 2,pp 217-29 |