Extract from the Register of European Patents

EP About this file: EP0018881

EP0018881 - Process for reducing the risks of inflammation and explosion as a result of the decomposition of ethylene under high pressure, and device for carrying out the process [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.09.2016
Database last updated on 11.04.2026
Most recent event   Tooltip14.09.2016No opposition filed within time limit 
Applicant(s)For all designated states
Société Chimique des Charbonnages
Tour Aurore Place des Reflets Cédex no 5
92080 Paris la Défense 2 / FR
[N/P]
Former [1980/23]For all designated states
Société Chimique des Charbonnages
Tour Aurore Place des Reflets Cédex no 5
F-92080 Paris la Défense 2 / FR
Inventor(s)01 / Grasset, Daniel
Saint Nicolas de la Taille
F-76170 Lillebonne / FR
02 / Martinot, Bernard
no 14, le Toupin
F-76170 Lillebonne / FR
[1980/23]
Representative(s)Dubost, Thierry
Avenue Brugmann 30
1060 Bruxelles / BE
[N/P]
Former [1980/23]Dubost, Thierry
SOCIETE CHIMIQUE DES CHARBONNAGES Service Propriété Industrielle B.P. 57
F-62670 Mazingarbe / FR
Application number, filing date80400518.918.04.1980
[1980/23]
Priority number, dateFR1979001044225.04.1979         Original published format: FR 7910442
[1980/23]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP0018881
Date:12.11.1980
Language:FR
[1980/23]
Type: B1 Patent specification 
No.:EP0018881
Date:15.09.1982
Language:FR
[1982/37]
Search report(s)(Supplementary) European search report - dispatched on:EP14.08.1980
ClassificationIPC:B01J3/04, C08F2/34, C08F10/02
[1980/23]
CPC:
B01J19/002 (EP,US); C08F10/02 (EP,US); B01J2219/00263 (EP,US);
B01J2219/0027 (EP,US)
C-Set:
C08F10/02, C08F2/34 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   GB,   IT,   LI,   LU,   NL,   SE [1980/23]
TitleGerman:Verfahren zur Verringerung der Entzündungs- und Explosionsgefahr infolge des Zerfalls von Hochdruckäthylen und Vorrichtung zur Durchführung des Verfahrens[1980/23]
English:Process for reducing the risks of inflammation and explosion as a result of the decomposition of ethylene under high pressure, and device for carrying out the process[1980/23]
French:Procédé pour réduire les risques d'inflammation et d'explosion résultant de la décomposition de l'éthylène sous haute pression et dispositif pour la mise en oeuvre dudit procédé[1980/23]
Examination procedure22.09.1980Examination requested  [1980/25]
01.07.1981Despatch of a communication from the examining division (Time limit: M04)
11.09.1981Reply to a communication from the examining division
01.03.1982Despatch of communication of intention to grant (Approval: )
12.03.1982Communication of intention to grant the patent
16.04.1982Fee for grant paid
16.04.1982Fee for publishing/printing paid
Opposition(s)15.06.1983No opposition filed within time limit [ N /P ]
Fees paidRenewal fee
13.04.1982Renewal fee patent year 03
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Documents cited:Search  CHEMICAL ABSTRACTS, Vol. 78, No. 16, 23 Avril 1973, ref. 99577p, page 120, colonne de gauche Columbus Ohio, US J.J.L. MARZAIS: "Water injecting device for high pressure gases" & Saf. High Pressure Polyethylene Plants 1973, 42-8. * Abrege *
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