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EP0893435
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EP About this file: EP0893435
| EP0893435 - Oxygen addition to reduce inerts in an acrylonitrile reactor [Right-click to bookmark this link] | Status | The application has been refused Status updated on 05.04.2002 Database last updated on 02.11.2024 | Most recent event Tooltip | 05.04.2002 | Refusal of application | published on 22.05.2002 [2002/21] | Applicant(s) | For all designated states PRAXAIR TECHNOLOGY, INC. 39 Old Ridgebury Road Danbury, CT 06810-5113 / US | [1999/04] | Inventor(s) | 01 /
Wagner, Matthew Lincoln 259 Fisher Avenue White Plains, New York 10606 / US | [1999/04] | Representative(s) | Schwan, Gerhard Schwan Schwan Schorer Patentanwälte Bauerstrasse 22 80796 München / DE | [N/P] |
| Former [1999/04] | Schwan, Gerhard, Dipl.-Ing. Elfenstrasse 32 81739 München / DE | Application number, filing date | 98113828.2 | 23.07.1998 | [1999/04] | Priority number, date | US19970898856 | 25.07.1997 Original published format: US 898856 | [1999/04] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0893435 | Date: | 27.01.1999 | Language: | EN | [1999/04] | Type: | A3 Search report | No.: | EP0893435 | Date: | 29.12.1999 | [1999/52] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 17.11.1999 | Classification | IPC: | C07C253/26 | [1999/04] | CPC: |
C07C253/26 (EP,US)
| C-Set: |
C07C253/26, C07C255/08 (EP,US)
| Designated contracting states | DE, ES, FR, IT [2000/36] |
| Former [1999/04] | AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE | Title | German: | Sauerstoffzugabe zur Reduzierung von Inerten in einem Acrylnitrilreaktor | [1999/04] | English: | Oxygen addition to reduce inerts in an acrylonitrile reactor | [1999/04] | French: | Addition d'oxygène pour réduire la présence d'inerts dans un réacteur d'acrylonitrile | [1999/04] | Examination procedure | 19.01.2000 | Examination requested [2000/12] | 16.01.2001 | Despatch of a communication from the examining division (Time limit: M06) | 25.07.2001 | Reply to a communication from the examining division | 19.10.2001 | Despatch of communication that the application is refused, reason: substantive examination [2002/21] | 28.03.2002 | Application refused, date of legal effect [2002/21] | Appeal following examination | 20.12.2001 | Appeal received | 28.02.2002 | Statement of grounds filed | Fees paid | Renewal fee | 03.07.2000 | Renewal fee patent year 03 | 25.07.2001 | Renewal fee patent year 04 |
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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]EP0761299 (PRAXAIR TECHNOLOGY INC [US]) [A] 1 * claim - *; | [DA]US5466857 (REILING VINCENT G [US], et al) [DA] 1 * claim 1 *; | [DA]EP0328280 (BOC GROUP INC [US]) [DA] 1 * claims 1-3 *; | [PA]EP0842922 (NITTO CHEMICAL INDUSTRY CO LTD [JP]) [PA] 1 * page 3, line 30 - line 38; figure 2 * |