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EP0745582
European procedure
Extract from the Register of European Patents
EP About this file: EP0745582
| EP0745582 - Process for the preparation of glycine-N,N-diacetic acid derivatives from the reaction of glycine derivatives or their precursors with formaldehyde and hydrocyanic acid or of iminodiacetonitrile or iminodiacetic acid with appropriate aldehydes and hydrogen cyanide in an acidic aqueous medium [Right-click to bookmark this link] | |||
| Former [1996/49] | Process for the preparation of glycine-N,N-diacetic acid derivatives from the reaction of glycine derivatives or their precursors with formaldehyde and hydrocyanic acid (or ...) in an acidic aqueous medium | ||
| [2000/34] | Status | No opposition filed within time limit Status updated on 22.06.2001 Database last updated on 24.08.2024 | Most recent event Tooltip | 22.06.2001 | No opposition filed within time limit | published on 08.08.2001 [2001/32] | Applicant(s) | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 67063 Ludwigshafen / DE | [1996/49] | Inventor(s) | 01 /
Greindl, Thomas, Dr. Am Tiergarten 8 94127 Neuburg / DE | 02 /
Oftring, Alfred, Dr. Im Röhrich 49 67098 Bad Dürkheim / DE | 03 /
Braun, Gerold, Dr. Prümer Str. 19 67071 Ludwigshafen / DE | 04 /
Wild, Jochen, Dr. St.-Martin-Str. 22 67152 Ruppertsberg / DE | 05 /
Potthoff-Karl, Birgit, Dr. Grünerstr. 7 67061 Ludwigshafen / DE | 06 /
Schuh, Georg Buergermeister-Horlacher-Strasse 84 67067 Ludwigshafen / DE | [1996/49] | Application number, filing date | 96108082.7 | 21.05.1996 | [1996/49] | Priority number, date | DE1995118986 | 29.05.1995 Original published format: DE 19518986 | [1996/49] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0745582 | Date: | 04.12.1996 | Language: | DE | [1996/49] | Type: | A3 Search report | No.: | EP0745582 | Date: | 10.12.1997 | [1997/50] | Type: | B1 Patent specification | No.: | EP0745582 | Date: | 23.08.2000 | Language: | DE | [2000/34] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.10.1997 | Classification | IPC: | C07C229/16, C07C227/26, C07C227/16, C07C227/18 | [1997/49] | CPC: |
C07C227/26 (EP,US)
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| Former IPC [1996/49] | C07C229/16, C07C227/26 | Designated contracting states | BE, DE, DK, ES, FR, GB, IT, NL [1996/49] | Title | German: | Verfahren zur Herstellung von Glycin-N,N-diessigsäure-Derivaten durch Umsetzung von Glycinderivaten oder deren Vorstufen mit Formaldehyd und Cyanwasserstoff oder von Iminodiacetonitril oder Iminodiessigsäure mit entsprechenden Aldehyden und Cyanwasserstoff in wässrig-saurem Medium | [1996/49] | English: | Process for the preparation of glycine-N,N-diacetic acid derivatives from the reaction of glycine derivatives or their precursors with formaldehyde and hydrocyanic acid or of iminodiacetonitrile or iminodiacetic acid with appropriate aldehydes and hydrogen cyanide in an acidic aqueous medium | [2000/34] | French: | Procédé pour la préparation de dérivés de glycine-N,N-diacétique par réaction de dérivés de la glycine ou de leurs précurseurs avec le formaldéhyde et l'acide cyanhydrique ou d'iminodiacétonitrile ou d'acide iminodiacétique avec des aldéhydes correspondants et de l'acide cyanhydrique en milieu acide aqueux | [2000/34] |
| Former [1996/49] | Process for the preparation of glycine-N,N-diacetic acid derivatives from the reaction of glycine derivatives or their precursors with formaldehyde and hydrocyanic acid (or ...) in an acidic aqueous medium | ||
| Former [1996/49] | Procédé pour la préparation de dérivés de glycine-N,N-diacétique par réaction de dérivés de la glycine ou de leurs précurseurs avec le formaldéhyde et l'acide cyanhydrique (ou ...) en milieu acide aqueux | Examination procedure | 30.10.1997 | Examination requested [1998/02] | 05.08.1998 | Despatch of a communication from the examining division (Time limit: M04) | 06.11.1998 | Reply to a communication from the examining division | 02.03.1999 | Despatch of a communication from the examining division (Time limit: M03) | 01.06.1999 | Reply to a communication from the examining division | 30.09.1999 | Despatch of communication of intention to grant (Approval: Yes) | 18.01.2000 | Communication of intention to grant the patent | 11.03.2000 | Fee for grant paid | 11.03.2000 | Fee for publishing/printing paid | Opposition(s) | 24.05.2001 | No opposition filed within time limit [2001/32] | Fees paid | Renewal fee | 26.05.1998 | Renewal fee patent year 03 | 28.05.1999 | Renewal fee patent year 04 | 17.05.2000 | 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 | [X]EP0287885 (BASF AG [DE]) [X] 1-3* page 3, lines 29-30; examples 1-3; claims 1-3 *; | [X]DE4319935 (BASF AG [DE]) [X] 1-3 * page 7, lines 37-38; example 2; claim 11 *; | [D]WO9429421 (BASF AG [DE], et al) |