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EP0074435
European procedure
Extract from the Register of European Patents
EP About this file: EP0074435
| EP0074435 - Process and apparatus for cracking hydrocarbon; mixing device; apparatus and process for producing superheated steam; radiation block structure [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 03.11.1986 Database last updated on 18.01.2025 | Most recent event Tooltip | 03.11.1986 | No opposition filed within time limit | published on 30.12.1986 [1986/52] | Applicant(s) | For all designated states DOW CHEMICAL (NEDERLAND) B.V. Herbert H. Dowweg 4 P.O. Box 48 4530 AA Terneuzen / NL | [N/P] |
| Former [1983/12] | For all designated states DOW CHEMICAL (NEDERLAND) B.V. Herbert H. Dowweg 4 P.O. Box 48 NL-4530 AA Terneuzen / NL | Inventor(s) | 01 /
Kösters, Peter Hubertus Magrette 1A NL-4571 SR Axel / NL | [1983/12] | Representative(s) | Urbanus, Henricus Maria, et al c/o Vereenigde Octrooibureaux Nieuwe Parklaan 107 2587 BP 's-Gravenhage / NL | [N/P] |
| Former [1983/12] | Urbanus, Henricus Maria, Ir., et al c/o Vereenigde Octrooibureaux Nieuwe Parklaan 107 NL-2587 BP 's-Gravenhage / NL | Application number, filing date | 81201000.7 | 08.09.1981 | [1983/12] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0074435 | Date: | 23.03.1983 | Language: | EN | [1983/12] | Type: | A3 Search report | No.: | EP0074435 | Date: | 04.05.1983 | Language: | EN | [1983/18] | Type: | B1 Patent specification | No.: | EP0074435 | Date: | 02.01.1986 | Language: | EN | [1986/01] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 03.03.1983 | Classification | IPC: | C10G9/36, B01F3/02, B01F5/02, B01F5/04, F22G1/08, F22G7/00 | [1983/14] | CPC: |
C10G9/40 (EP,US);
C10G9/14 (EP,US);
C10G2400/20 (EP,US)
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| Former IPC [1983/12] | C10G9/36, B01F3/02, F22G1/08 | Designated contracting states | BE, DE, FR, GB, IT, NL, SE [1983/12] | Title | German: | Verfahren und Apparat zur Kohlenwasserstoffspaltung; Mischanlage; Apparat und Verfahren zur Produktion von überhitztem Dampf; Radiationblockstruktur | [1983/12] | English: | Process and apparatus for cracking hydrocarbon; mixing device; apparatus and process for producing superheated steam; radiation block structure | [1983/12] | French: | Procédé et appareillage pour le craquage d'hydrocarbures, dispositif de mélange; appareillage et procédé pour la production de vapeur d'eau surchauffée; structure de bloc de radiation | [1983/12] | Examination procedure | 22.06.1983 | Examination requested [1983/35] | 06.07.1984 | Despatch of a communication from the examining division (Time limit: M04) | 01.11.1984 | Reply to a communication from the examining division | 28.02.1985 | Despatch of communication of intention to grant (Approval: ) | 29.05.1985 | Communication of intention to grant the patent | 29.08.1985 | Fee for grant paid | 29.08.1985 | Fee for publishing/printing paid | Opposition(s) | 03.10.1986 | No opposition filed within time limit [1986/52] | Fees paid | Renewal fee | 01.06.1983 | Renewal fee patent year 03 | 01.06.1984 | Renewal fee patent year 04 | 07.06.1985 | Renewal fee patent year 05 |
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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]FR342697 (ALEXANDRE LOUIS MARIE ROYE [FR]); | [A]GB560195 (STANDARD OIL DEV CO); | [A]CH322574 (VANDEVELDE ANDRE [BE]); | [A]GB889259 (MONTEDISON SPA); | [A]US3548764 (NAVARRO JOHN F, et al); | [A]DE1779583 (PINTSCH BAMAG AG); | [A]FR2393843 (UNION CARBIDE CORP [US]); | [AD]US4264435 (READ JR ARTHUR E, et al); | [A]DE3001764 (VNII TEKHN UGLERODA [SU]) |