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EP0370233
European procedure
Extract from the Register of European Patents
EP About this file: EP0370233
| EP0370233 - Process for the removal of impurity elements from electrolyte solutions containing valuable metals [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.09.1994 Database last updated on 11.04.2026 | Most recent event Tooltip | 24.09.1994 | No opposition filed within time limit | published on 17.11.1994 [1994/46] | Applicant(s) | For all designated states Henkel Kommanditgesellschaft auf Aktien Henkelstrasse 67 40589 Düsseldorf / DE | [N/P] |
| Former [1990/22] | For all designated states Henkel Kommanditgesellschaft auf Aktien D-40191 Düsseldorf / DE | Inventor(s) | 01 /
Kehl, Ralf Bockumerstrasse 192 D-4000 Düsseldorf 31 / DE | 02 /
Schwab, Werner, Dr. Bachstrasse 76 D-4018 Langenfeld / DE | 03 /
Sudderth, Robert Brantley 7164 N Lemmon Rock Place Tucson Arizona 85718 / US | 04 /
Kordosky, Gary Alan, Dr. 5345 West Camino Del Dieserto Tucson Arizona 85705 / US | [1990/22] | Application number, filing date | 89119428.4 | 19.10.1989 | [1990/22] | Priority number, date | DE19883836731 | 28.10.1988 Original published format: DE 3836731 | [1990/22] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0370233 | Date: | 30.05.1990 | Language: | DE | [1990/22] | Type: | B1 Patent specification | No.: | EP0370233 | Date: | 24.11.1993 | Language: | DE | [1993/47] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 09.04.1990 | Classification | IPC: | C22B3/00 | [1990/22] | CPC: |
C01G29/003 (EP,US);
C22B3/00 (KR);
C01G28/001 (EP,US);
C01G30/001 (EP,US);
C01G49/0009 (EP,US);
C22B3/28 (EP,US);
C22B3/32 (EP,US);
C22B3/322 (EP,US);
C22B3/386 (EP,US);
| Designated contracting states | BE, DE, ES [1992/41] |
| Former [1992/37] | AT, BE, DE, ES, FR, GB, NL, SE | ||
| Former [1991/18] | ES | ||
| Former [1990/22] | ES, GR | Title | German: | Verfahren zur Abtrennung von Störelementen aus Wertmetall-Elektrolytlösungen | [1990/22] | English: | Process for the removal of impurity elements from electrolyte solutions containing valuable metals | [1990/22] | French: | Procédé pour la séparation d'éléments impurs de solutions électrolytiques qui contiennent des métaux de valeur | [1990/22] | Miscellaneous | EPB 1992/38: Verbunden mit 89912423.4/0490893 (europäische Anmeldenummer/Veröffentlichungsnummer) durch Entscheidung vom 04.08.92 | EPB 1992/38: Consolidated with 89912423.4/0490893 (European application No./publication No.) by decision dated 04.08.92 | EPB 1992/38: Jointe à la demande no. 89912423.4/0490893 (numéro de dépôt/numéro de publication de la demande européenne) par décision du 04.08.92 | Examination procedure | 07.05.1990 | Examination requested [1990/27] | 07.08.1992 | Despatch of a communication from the examining division (Time limit: M04) | 31.08.1992 | Reply to a communication from the examining division | 14.01.1993 | Despatch of communication of intention to grant (Approval: Yes) | 18.05.1993 | Communication of intention to grant the patent | 18.08.1993 | Fee for grant paid | 18.08.1993 | Fee for publishing/printing paid | Opposition(s) | 25.08.1994 | No opposition filed within time limit [1994/46] | Fees paid | Renewal fee | 20.09.1991 | Renewal fee patent year 03 | 29.09.1992 | Renewal fee patent year 04 | 22.09.1993 | 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] CHEMICAL ABSTRACTS, Band 71, 1969, Seite 187, Zusammenfassung Nr. 41354c, Columbus, Ohio, US; A. CORNEA et al.: "Extraction of metals with carboxylic acids", & IND. CHIM. BELGE 1967, 32 (SPEC. NO) (PT.2), 335-9 [A] | [AD] JOURNAL OF CHEMICAL RESEARCH, 1982, Seiten 90-91; F. VERNON et al.: "Solvent extraction of metals by versahydroxamic acid" [AD] | [A] CHEMICAL ABSTRACTS, Band 83, 1975, Seite 706, Zusammenfassung Nr. 157388u, Columbus, Ohio, US; GUPTA et al.: "Hydroxamic acids. XIV. Reactions of N-arylhydroxamic acids with metal ions", & J. INDIAN CHEM. SOC. 1975, 52(3), 267-8 [A] |