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EP0296873
European procedure
Extract from the Register of European Patents
EP About this file: EP0296873
| EP0296873 - Direct positive dimethine cyanine dyes containing 1-aryl-2-heteroaryl indole nucleus [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 09.07.1994 Database last updated on 19.10.2024 | Most recent event Tooltip | 30.11.2007 | Lapse of the patent in a contracting state | published on 02.01.2008 [2008/01] | Applicant(s) | For all designated states E. I. du Pont de Nemours and Company 1007 Market Street Wilmington, DE 19898 / US | [N/P] |
| Former [1988/52] | For all designated states E.I. DU PONT DE NEMOURS AND COMPANY 1007 Market Street Wilmington Delaware 19898 / US | Inventor(s) | 01 /
Weaver, Thomas Dean 574 El Mar Drive Rochester New York 14616 / US | [1988/52] | Representative(s) | Myerscough, Philip Boyd, et al J.A.KEMP & CO. 14, South Square Gray's Inn London WC1R 5LX / GB | [1988/52] | Application number, filing date | 88305779.6 | 24.06.1988 | [1988/52] | Priority number, date | US19870066552 | 26.06.1987 Original published format: US 66552 | [1988/52] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0296873 | Date: | 28.12.1988 | Language: | EN | [1988/52] | Type: | A3 Search report | No.: | EP0296873 | Date: | 08.11.1989 | Language: | EN | [1989/45] | Type: | B1 Patent specification | No.: | EP0296873 | Date: | 08.09.1993 | Language: | EN | [1993/36] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 21.09.1989 | Classification | IPC: | C09B23/10, G03C1/485, G03C1/36, C07D401/04 | [1989/45] | CPC: |
C09B23/105 (EP,US);
G03C1/4853 (EP,US);
Y10S430/141 (EP,US)
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| Former IPC [1988/52] | C09B23/10, G03C1/485, G03C1/36 | Designated contracting states | BE, DE, FR, GB, IT [1988/52] | Title | German: | Direkt positive Dimethincyanin-Farbstoffe mit einem 1-Aryl-2-heteroaryl-Indolkern | [1988/52] | English: | Direct positive dimethine cyanine dyes containing 1-aryl-2-heteroaryl indole nucleus | [1988/52] | French: | Colorants cyanine diméthiniques pour positif direct contenant un noyau 1-aryle-2-hétéroaryle indole | [1988/52] | Examination procedure | 16.08.1988 | Examination requested [1988/52] | 28.02.1992 | Despatch of a communication from the examining division (Time limit: M04) | 01.07.1992 | Reply to a communication from the examining division | 20.11.1992 | Despatch of communication of intention to grant (Approval: Yes) | 12.03.1993 | Communication of intention to grant the patent | 09.06.1993 | Fee for grant paid | 09.06.1993 | Fee for publishing/printing paid | Opposition(s) | 09.06.1994 | No opposition filed within time limit [1994/35] | Fees paid | Renewal fee | 12.06.1990 | Renewal fee patent year 03 | 21.12.1990 | Renewal fee patent year 04 | 09.06.1992 | Renewal fee patent year 05 | 14.06.1993 | Renewal fee patent year 06 |
| 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. | Lapses during opposition Tooltip | BE | 08.09.1993 | IT | 08.09.1993 | [2008/01] |
| Former [1999/42] | BE | 08.09.1993 | |
| IT | 08.09.1993 | ||
| Former [1994/26] | BE | 08.09.1993 | Documents cited: | Search | [X]FR1520818 (EASTMAN KODAK CO); | [A]DE1547789 (EASTMAN KODAK CO); | [A]CH488778 (EASTMAN KODAK CO [US]); | [A]FR2125405 (AGFA GEVAERT AG); | [A]US3767651 (CHAPMAN D) |