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EP0197717
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EP About this file: EP0197717
| EP0197717 - Methods and apparatus for purifying inert gas streams [Right-click to bookmark this link] | Status | The application has been refused Status updated on 17.12.1990 Database last updated on 28.05.2024 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007 [2007/32] | Applicant(s) | For all designated states The BOC Group, Inc. 85 Chestnut Ridge Road Montvale, New Jersey 07645 / US | [1986/42] | Inventor(s) | 01 /
Weltmer, William R. 323 Mountain Avenue Murray Hill New Jersey 07974 / US | 02 /
Whitlock, Walter H. 59 Main Street Peapack New Jersey 07977 / US | [1986/42] | Representative(s) | Wickham, Michael, et al C/o Patent and Trademark Department The BOC Group plc Chertsey Road Windlesham Surrey GU20 6HJ / GB | [N/P] |
| Former [1986/42] | Wickham, Michael, et al c/o Patent and Trademark Department The BOC Group plc Chertsey Road Windlesham Surrey GU20 6HJ / GB | Application number, filing date | 86302288.5 | 26.03.1986 | [1986/42] | Priority number, date | US19850717055 | 28.03.1985 Original published format: US 717055 | [1986/42] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0197717 | Date: | 15.10.1986 | Language: | EN | [1986/42] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 21.08.1986 | Classification | IPC: | C01B21/04, C01B23/00 | [1986/42] | CPC: |
C01B23/00 (EP,US);
B01D53/34 (EP,US);
B01D53/62 (EP,US);
B01D53/86 (EP,US);
B01D53/864 (EP,US);
C01B21/0494 (EP,US);
C01B2210/0006 (EP,US);
C01B2210/0014 (EP,US);
C01B2210/0023 (EP,US);
C01B2210/0045 (EP,US);
C01B2210/005 (EP,US);
C01B2210/0051 (EP,US);
C01B2210/0053 (EP,US);
C01B2210/0062 (EP,US);
Y02A50/20 (EP,US);
| Designated contracting states | BE, DE, FR, IT, NL [1986/42] | Title | German: | Verfahren und Vorichtung zur Reinigung von Inertgasströmen | [1986/42] | English: | Methods and apparatus for purifying inert gas streams | [1986/42] | French: | Procédé et dispositif pour purifier des courants de gaz inertes | [1986/42] | File destroyed: | 20.06.1996 | Examination procedure | 02.04.1987 | Examination requested [1987/23] | 30.11.1988 | Despatch of a communication from the examining division (Time limit: M04) | 08.02.1989 | Reply to a communication from the examining division | 18.09.1989 | Despatch of a communication from the examining division (Time limit: M06) | 23.03.1990 | Reply to a communication from the examining division | 28.08.1990 | Despatch of communication that the application is refused, reason: substantive examination [1991/06] | 07.09.1990 | Application refused, date of legal effect [1991/06] | Fees paid | Renewal fee | 31.12.1987 | Renewal fee patent year 03 | 29.03.1989 | Renewal fee patent year 04 | 12.03.1990 | 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]JP7772394 ; | [A]US3061403 (RENDOS JOHN J); | [A]US3535074 (NAKASHIMA FUMITO); | [A]US3885927 (SHERMAN JOHN DELANO, et al); | [A]NL6618262 ; | [A]EP0075663 (LEYBOLD HERAEUS GMBH & CO KG [DE]) | [A] - CHEMICAL ABSTRACTS, vol. 88, no. 26, 26th June 1978, page 557, abstract no. 199716h, Columbus, Ohio, US; & JP - A - 77 72 394 (TAIYO SANSO CO. lTD.) 16-06-1977, & JP7772394 A 00000000 |