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EP0232745
European procedure
Extract from the Register of European Patents
EP About this file: EP0232745
| EP0232745 - Process for increasing the dispersibility of carbon black [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 27.02.1992 Database last updated on 26.03.2026 | Most recent event Tooltip | 15.08.2008 | Change - applicant | published on 17.09.2008 [2008/38] | Applicant(s) | For all designated states Hewlett-Packard Company 3000 Hanover Street Palo Alto, CA 94304-1112 / US | [N/P] |
| Former [2008/38] | For all designated states Hewlett-Packard Company 3000 Hanover Street Palo Alto CA 94304-1112 / US | ||
| Former [1987/34] | For all designated states Hewlett-Packard Company Mail Stop 20 B-O, 3000 Hanover Street Palo Alto, California 94304 / US | Inventor(s) | 01 /
Hackleman, David E. 39125 Military Road Monmouth Oregon 97361 / US | 02 /
Johnson, Loren E. 2001 S.E. Crystal Circle Corvallis Oregon 97333 / US | 03 /
Norton, Kenneth A. 2320 NW Rolling Green Drive Corvallis Oregon 97330 / US | [1987/34] | Representative(s) | Liesegang, Roland Boehmert & Boehmert Anwaltspartnerschaft mbB Pettenkoferstrasse 22 80336 München / DE | [N/P] |
| Former [1987/34] | Liesegang, Roland, Dr.-Ing. FORRESTER & BOEHMERT Franz-Joseph-Strasse 38 D-80801 München / DE | Application number, filing date | 87100519.5 | 16.01.1987 | [1987/34] | Priority number, date | US19860828424 | 11.02.1986 Original published format: US 828424 | [1987/34] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0232745 | Date: | 19.08.1987 | Language: | EN | [1987/34] | Type: | B1 Patent specification | No.: | EP0232745 | Date: | 24.04.1991 | Language: | EN | [1991/17] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.06.1987 | Classification | IPC: | C09C1/56, C09D17/00, C09C3/12 | [1987/34] | CPC: |
C09C1/56 (EP,US);
C09C3/12 (EP,US);
C01P2004/61 (EP,US);
C01P2004/62 (EP,US);
C01P2006/22 (EP,US);
Y10T428/2995 (EP,US)
| Designated contracting states | DE, FR, GB, IT [1987/34] | Title | German: | Verfahren zum Erhöhen der Dispergierbarkeit von Russ | [1987/34] | English: | Process for increasing the dispersibility of carbon black | [1987/34] | French: | Procédé pour accroître la dispersibilité du noir de carbone | [1987/34] | Examination procedure | 28.12.1987 | Examination requested [1988/09] | 20.03.1989 | Despatch of a communication from the examining division (Time limit: M06) | 02.10.1989 | Reply to a communication from the examining division | 12.12.1989 | Despatch of a communication from the examining division (Time limit: M04) | 22.12.1989 | Reply to a communication from the examining division | 22.02.1990 | Despatch of communication of intention to grant (Approval: Yes) | 02.07.1990 | Communication of intention to grant the patent | 31.08.1990 | Fee for grant paid | 31.08.1990 | Fee for publishing/printing paid | Opposition(s) | 25.01.1992 | No opposition filed within time limit [1992/16] | Fees paid | Renewal fee | 25.01.1989 | Renewal fee patent year 03 | 21.12.1989 | Renewal fee patent year 04 | 31.12.1990 | Renewal fee patent year 05 |
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