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EP0060653
European procedure
Extract from the Register of European Patents
EP About this file: EP0060653
| EP0060653 - Improved diamine recovery process [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.01.1987 Database last updated on 08.10.2024 | Most recent event Tooltip | 07.03.1997 | Lapse of the patent in a contracting state | published on 23.04.1997 [1997/17] | Applicant(s) | For all designated states E. I. du Pont de Nemours and Company 1007 Market Street Wilmington, DE 19898 / US | [N/P] |
| Former [1982/38] | For all designated states E.I. DU PONT DE NEMOURS AND COMPANY 1007 Market Street Wilmington Delaware 19898 / US | Inventor(s) | 01 /
Sauerbrunn, Robert Dewey 904 Robin Drive Seaford Delaware 19973 / US | [1982/38] | Representative(s) | Jones, Alan John, et al CARPMAELS & RANSFORD 43 Bloomsbury Square London, WC1A 2RA / GB | [N/P] |
| Former [1982/38] | Jones, Alan John, et al CARPMAELS & RANSFORD 43 Bloomsbury Square London, WC1A 2RA / GB | Application number, filing date | 82301117.6 | 04.03.1982 | [1982/38] | Priority number, date | US19810240914 | 05.03.1981 Original published format: US 240914 | [1982/38] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0060653 | Date: | 22.09.1982 | Language: | EN | [1982/38] | Type: | A3 Search report | No.: | EP0060653 | Date: | 27.10.1982 | Language: | EN | [1982/43] | Type: | B1 Patent specification | No.: | EP0060653 | Date: | 15.01.1986 | Language: | EN | [1986/03] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 27.08.1982 | Classification | IPC: | C08G69/28 | [1982/38] | CPC: |
B01D3/322 (EP,US);
C08G69/28 (EP,US)
| Designated contracting states | DE, FR, GB, IT [1982/38] | Title | German: | Verfahren zur Rückgewinnung von Diamin | [1982/38] | English: | Improved diamine recovery process | [1982/38] | French: | Procédé pour la récupération de la diamine | [1982/38] | Examination procedure | 10.03.1983 | Examination requested [1983/21] | 26.07.1984 | Despatch of a communication from the examining division (Time limit: M06) | 24.11.1984 | Reply to a communication from the examining division | 04.04.1985 | Despatch of communication of intention to grant (Approval: ) | 28.06.1985 | Communication of intention to grant the patent | 05.07.1985 | Fee for grant paid | 05.07.1985 | Fee for publishing/printing paid | Opposition(s) | 16.10.1986 | No opposition filed within time limit [1987/10] | Fees paid | Renewal fee | 14.03.1984 | Renewal fee patent year 03 | 13.03.1985 | Renewal fee patent year 04 |
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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]FR2257624 (DU PONT [US]); | [AD]FR2220554 (DU PONT CANADA [CA]); | [AD]GB854223 (ICI LTD) |