| EP0271989 - Refrigerant [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 26.09.1991 Database last updated on 11.04.2026 | Most recent event Tooltip | 26.09.1991 | No opposition filed within time limit | published on 13.11.1991 [1991/46] | Applicant(s) | For all designated states Systron Donner Corporation 2750 Systron Drive Concord California 94518 / US | [N/P] |
| Former [1988/25] | For all designated states Systron Donner Corporation 2750 Systron Drive Concord California 94518 / US | Inventor(s) | 01 /
Vogt, Clarence Lyndon 635 E. Walnut Burbank California 91501 / US | 02 /
Wan, Lawrence Arthur 22350 Carbon Mesa Road Malibu California 90265 / US | 03 /
Tecimer, Fikret Mehmet 15205 Mulholland Drive Los Angeles California 90077 / US | [1988/25] | Representative(s) | Marsh, Robin Geoffrey, et al THORN EMI Patents Limited Central Research Laboratories Dawley Road Hayes, Middlesex UB3 1HH / GB | [N/P] |
| Former [1988/25] | Marsh, Robin Geoffrey, et al THORN EMI Patents Limited Central Research Laboratories Dawley Road Hayes, Middlesex UB3 1HH / GB | Application number, filing date | 87309899.0 | 09.11.1987 | [1988/25] | Priority number, date | US19860943445 | 16.12.1986 Original published format: US 943445 | [1988/25] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0271989 | Date: | 22.06.1988 | Language: | EN | [1988/25] | Type: | B1 Patent specification | No.: | EP0271989 | Date: | 22.11.1990 | Language: | EN | [1990/47] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 26.04.1988 | Classification | IPC: | F25B9/02, C09K5/04 | [1988/25] | CPC: |
C09K5/044 (EP);
F25B9/006 (EP);
F25B9/02 (EP);
C09K2205/12 (EP);
C09K2205/13 (EP);
C09K2205/132 (EP);
F25B2400/12 (EP)
(-)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1988/25] | Title | German: | Kühlmittel | [1988/25] | English: | Refrigerant | [1988/25] | French: | Réfrigérant | [1988/25] | Examination procedure | 12.10.1988 | Examination requested [1988/50] | 13.03.1989 | Despatch of a communication from the examining division (Time limit: M04) | 23.06.1989 | Reply to a communication from the examining division | 01.09.1989 | Despatch of a communication from the examining division (Time limit: M04) | 23.12.1989 | Reply to a communication from the examining division | 17.04.1990 | Despatch of communication of intention to grant (Approval: No) | 21.05.1990 | Despatch of communication of intention to grant (Approval: later approval) | 25.05.1990 | Communication of intention to grant the patent | 04.07.1990 | Fee for grant paid | 04.07.1990 | Fee for publishing/printing paid | Opposition(s) | 23.08.1991 | No opposition filed within time limit [1991/46] | Fees paid | Renewal fee | 09.11.1989 | Renewal fee patent year 03 | 02.11.1990 | Renewal fee patent year 04 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Cited in | Examination | Hausen/Linde, "Tieftemperaturtechnnik, p.1 of preface |