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EP0621396
European procedure
Extract from the Register of European Patents
EP About this file: EP0621396
| EP0621396 - Method and composition for preserving core sample integrity using an encapsulating material [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 23.04.1999 Database last updated on 22.04.2025 | Most recent event Tooltip | 01.08.2008 | Change - applicant | published on 03.09.2008 [2008/36] | Applicant(s) | For all designated states BAKER HUGHES INCORPORATED 3900 Essex Lane Suite 1200 Houston TX 77027 / US | [2008/36] |
| Former [1998/25] | For all designated states BAKER HUGHES INCORPORATED 3900 Essex Lane Suite 1200 P.O. Box 4740 Houston Texas 77210-4740 / US | ||
| Former [1994/43] | For all designated states BAKER-HUGHES INCORPORATED 3900 Essex Lane Suite 1200 P.O. Box 4740 Houston Texas 77210-4740 / US | Inventor(s) | 01 /
Collee, Pierre Emmanuel 5122 Natural Bridge Drive Kingwood, Texas 773345 / US | 02 /
Mallow, William A. 10041 Rafter S. Trail Helotes, Texas 78023 / US | 03 /
Radford, Steven R. 9863 Winding Way South Jordan, Utah 84065 / US | [1994/43] | Representative(s) | Busse & Busse Patent- und Rechtsanwälte Partnerschaft Postfach 12 26 49002 Osnabrück / DE | [N/P] |
| Former [1994/43] | Busse & Busse Patentanwälte Postfach 12 26 D-49002 Osnabrück / DE | Application number, filing date | 94106204.4 | 21.04.1994 | [1994/43] | Priority number, date | US19930051093 | 21.04.1993 Original published format: US 51093 | [1994/43] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0621396 | Date: | 26.10.1994 | Language: | EN | [1994/43] | Type: | A3 Search report | No.: | EP0621396 | Date: | 09.11.1994 | Language: | EN | [1994/45] | Type: | B1 Patent specification | No.: | EP0621396 | Date: | 17.06.1998 | Language: | EN | [1998/25] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 19.09.1994 | Classification | IPC: | E21B43/25, E21B25/08 | [1994/43] | CPC: |
C09K8/92 (EP,US);
C09K8/60 (EP,US);
E21B25/08 (EP,US)
| Designated contracting states | BE, DE, FR, GB, NL [1994/43] | Title | German: | Verfahren und Zusammensetzung zum Konservieren der Integrität eines Bohrkerns unter Verwendung von einem einkapselenden Material | [1998/25] | English: | Method and composition for preserving core sample integrity using an encapsulating material | [1994/43] | French: | Méthode et composition pour conserver l'intégrité d'un échantillon en utilisant un matériau encapsulant | [1998/25] |
| Former [1994/43] | Verfahren und Zusammensetzung zum Konservieren der Integrität eines Bohrkerns unter Verwendung von eingekapseltem Materials | ||
| Former [1994/43] | Méthode et composition pour conserver l'intégrité d'une échantillon en utilisant du matériau encapsulé | Examination procedure | 02.05.1995 | Examination requested [1995/26] | 27.12.1996 | Despatch of a communication from the examining division (Time limit: M06) | 24.05.1997 | Reply to a communication from the examining division | 26.09.1997 | Despatch of communication of intention to grant (Approval: Yes) | 20.10.1997 | Communication of intention to grant the patent | 09.01.1998 | Fee for grant paid | 09.01.1998 | Fee for publishing/printing paid | Opposition(s) | 18.03.1999 | No opposition filed within time limit [1999/23] | Fees paid | Renewal fee | 25.03.1996 | Renewal fee patent year 03 | 24.03.1997 | Renewal fee patent year 04 | 26.03.1998 | 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. | Lapses during opposition Tooltip | BE | 17.06.1998 | [1999/27] | Documents cited: | Search | [A] - MERCK & CO INC, "Gelatin-free system for soft-hard capsules and encapsulating films - contg. gellan gum modified with plasticisers e.g. ethylene] glycol] and polymers e.g. sodium carboxymethyl cellulose", DATABASE WPI, 0, Derwent World Patents Index, vol. 92, no. 03, Database accession no. 92-022020 [A] 1,4 * abstract * | [ ] - RESEARCH DISCLOSURE, EMSWORTH, GB, (19911210), vol. 332, no. 006 |