Extract from the Register of European Patents

EP About this file: EP0271989

EP0271989 - Refrigerant [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  26.09.1991
Database last updated on 11.04.2026
Most recent event   Tooltip26.09.1991No opposition filed within time limitpublished 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 date87309899.009.11.1987
[1988/25]
Priority number, dateUS1986094344516.12.1986         Original published format: US 943445
[1988/25]
Filing languageEN
Procedural languageEN
PublicationType: 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:EP26.04.1988
ClassificationIPC: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 statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1988/25]
TitleGerman:Kühlmittel[1988/25]
English:Refrigerant[1988/25]
French:Réfrigérant[1988/25]
Examination procedure12.10.1988Examination requested  [1988/50]
13.03.1989Despatch of a communication from the examining division (Time limit: M04)
23.06.1989Reply to a communication from the examining division
01.09.1989Despatch of a communication from the examining division (Time limit: M04)
23.12.1989Reply to a communication from the examining division
17.04.1990Despatch of communication of intention to grant (Approval: No)
21.05.1990Despatch of communication of intention to grant (Approval: later approval)
25.05.1990Communication of intention to grant the patent
04.07.1990Fee for grant paid
04.07.1990Fee for publishing/printing paid
Opposition(s)23.08.1991No opposition filed within time limit [1991/46]
Fees paidRenewal fee
09.11.1989Renewal fee patent year 03
02.11.1990Renewal fee patent year 04
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