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EP0205583
European procedure
Extract from the Register of European Patents
EP About this file: EP0205583
| EP0205583 - STABLE LITHIUM DIISOPROPYLAMIDE AND METHOD OF PREPARATION [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 30.11.1991 Database last updated on 11.04.2026 | Most recent event Tooltip | 30.11.1991 | No opposition filed within time limit | published on 22.01.1992 [1992/04] | Applicant(s) | For all designated states LITHIUM CORPORATION OF AMERICA, INC. Post Office Box 795 Bessemer City, NC 28016 / US | [1986/52] | Inventor(s) | 01 /
MORRISON, Robert, Charles 1946 Elmwood Drive Gastonia, NC 28054 / US | 02 /
HALL, Randy, Winfred Route 4 Box 697 Kings Mountain, NC 28086 / US | 03 /
RATHMAN, Terry, Lee 3843 Gardner Park Drive Gastonia, NC 28054 / US | [1986/52] | Representative(s) | Gore, Peter Manson, et al W.P. Thompson & Co. Coopers Building Church Street Liverpool L1 3AB / GB | [N/P] |
| Former [1986/52] | Gore, Peter Manson, et al W.P. THOMPSON & CO. Coopers Building Church Street Liverpool L1 3AB / GB | Application number, filing date | 86900522.3 | 17.12.1985 | [1986/52] | WO1985US02509 | Priority number, date | US19840685318 | 24.12.1984 Original published format: US 685318 | [1986/52] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO8603744 | Date: | 03.07.1986 | Language: | EN | [1986/14] | Type: | A1 Application with search report | No.: | EP0205583 | Date: | 30.12.1986 | Language: | EN | The application published by WIPO in one of the EPO official languages on 03.07.1986 takes the place of the publication of the European patent application. | [1986/52] | Type: | B1 Patent specification | No.: | EP0205583 | Date: | 30.01.1991 | Language: | EN | [1991/05] | Search report(s) | International search report - published on: | US | 03.07.1986 | (Supplementary) European search report - dispatched on: | EP | 28.01.1988 | Classification | IPC: | C07C211/65 | [1991/05] | CPC: |
C07C209/90 (EP,US)
| C-Set: |
C07C209/90, C07C211/06 (EP,US)
|
| Former IPC [1986/52] | C07C87/12 | Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1986/52] | Title | German: | STABILES LITHIUMDIISOPROPYLAMID UND DESSEN HERSTELLUNGSVERFAHREN | [1986/52] | English: | STABLE LITHIUM DIISOPROPYLAMIDE AND METHOD OF PREPARATION | [1986/52] | French: | DIISOPROPYLAMIDE DE LITHIUM STABLE ET SON PROCEDE DE PREPARATION | [1986/52] | Entry into regional phase | 02.09.1986 | National basic fee paid | 02.09.1986 | Search fee paid | 02.09.1986 | Designation fee(s) paid | 02.09.1986 | Examination fee paid | Examination procedure | 02.09.1986 | Examination requested [1986/52] | 09.05.1990 | Despatch of communication of intention to grant (Approval: Yes) | 20.06.1990 | Communication of intention to grant the patent | 08.09.1990 | Fee for grant paid | 08.09.1990 | Fee for publishing/printing paid | Opposition(s) | 31.10.1991 | No opposition filed within time limit [1992/04] | Fees paid | Renewal fee | 21.11.1987 | Renewal fee patent year 03 | 17.11.1988 | Renewal fee patent year 04 | 15.11.1989 | Renewal fee patent year 05 | 13.11.1990 | Renewal fee patent year 06 |
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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. | Cited in | International search | [A] Journal of Organometallic Chemistry, Volume 4, issued 1965, GILMAN et al, "Stabilities of Some n-Alkyllithium Compounds in Mixed Solvent Systems", see pages 483-7 [A] | [A] Journal of American Chemical Society, Volume 22, issued 1957, GILMAN et al, "Preparation and Stability of Some Organolithium Compounds in Tetra Hydrofuran", see pages 483-487 [A] | [A] Journal of Organometallic Chemistry, Volume 29, 1971, HONEYCUTT, "Kinetics of the Cleavage of Tetrahydrofuran by n-Butyllithium in Hydrocarbon Solvent", see pages 1-5. [A] | [A] Journal of Organic Chemistry, Volume 37, No. 4, 1972, BATES et al, "Cycloreversions of Anions from Tetrahydrofurans. A Convenient Synthesis of Lithium Enolates of Aldehydes", see pages 560-562. [A] | [A] Liebigs Annalen der Chemie, Volume 10, 1980, REETZ et al, "Einfache Darstellung von Lithiumdiisopropylamid in Molarem Mabstab", see pages 1471-1473 [A] | [A] Synthesis, June 1979, GAUDEMAR-BARDONE et al, "A Convenient Preparation and Utilization of Lithium Dialkylamides", see pages 463-465. [A] | [A] Journal of Organo Metallic Chemistry, Volume 36, 1972, ELLISON et al, "A Method for Accurate Titration of Alkyllithium Reagents in Ether Solutions", see pages 209-213. [A] | [A] CHEMICAL ABSTRACTS, Volume 70, No. 23, June 9, 1969 (Columbus, Ohio. U.S.A.), NORMANT et al, "Metal Alkylamides. Metallation of Aliphatic Amines" see page 271, column 1, the Abstract No. 105864h, C.R. Acad. Sci., Paris, Ser. C 1969, 268(6), 521-4. (FR). [A] | [A] CHEMICAL ABSTRACTS, Volume 55, No. 19, September 18, 1961 (Columbus, Ohio, USA), NORMANT et al, "Metalation in Tetrahydrofuran by Sodium in the Presence of Naphthalene" see column 18549g, Bull. Soc. Chim. France 1960, 354-9 [A] | Examination | JOURNAL OF ORGANOMETALLIC CHEMISTRY, vol. 4, 1965; GILMAN et al.: "Stabilities of some n-alkyllithium compounds in mixed solvent systems", pp. 483-487 | CHEMICAL ABSTRACTS, vol. 70, no. 23, 09 June 1969, Columbus, OH (US); NORMANT et al.: "Metal alkylamides. Metallation of aliphatic amines", p. 271, no. 105864h |