EP0168185 - Improving zeolite catalyst life [Right-click to bookmark this link] | Status | The application has been refused Status updated on 26.05.1989 Database last updated on 31.08.2024 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007 [2007/32] | Applicant(s) | For all designated states EXXON RESEARCH AND ENGINEERING COMPANY P.O.Box 390 180 Park Avenue Florham Park New Jersey 07932-0390 / US | [N/P] |
Former [1986/03] | For all designated states EXXON RESEARCH AND ENGINEERING COMPANY P.O.Box 390, 180 Park Avenue Florham Park, New Jersey 07932-0390 / US | Inventor(s) | 01 /
Pieters, Wim Johan Meindert 12 Springview Drive Morristown New Jersey / US | 02 /
Okumura, Yoshiharu 2-6-29-112 Shimoochiai Shinjuku Tokyo / JP | [1986/03] | Representative(s) | Dew, Melvyn John, et al Exxon Chemical Limited European Patents and Licences Exxon Chemical Technology Centre P.Po. Box 1 Abingdon, Oxfordshire, OX13 6BB / GB | [N/P] |
Former [1986/03] | Dew, Melvyn John, et al Exxon Chemical Limited European Patents and Licences Exxon Chemical Technology Centre P.Po. Box 1 Abingdon Oxfordshire, OX13 6BB / GB | Application number, filing date | 85304294.3 | 14.06.1985 | [1986/03] | Priority number, date | US19840630636 | 13.07.1984 Original published format: US 630636 | [1986/03] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0168185 | Date: | 15.01.1986 | Language: | EN | [1986/03] | Type: | A3 Search report | No.: | EP0168185 | Date: | 29.07.1987 | Language: | EN | [1987/31] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 09.06.1987 | Classification | IPC: | B01J29/04, B01J29/28, C07C1/20, C10G3/00 | [1986/03] | CPC: |
B01J29/87 (EP,US);
B01J29/40 (EP,US);
C07C1/20 (EP,US);
B01J2229/123 (EP,US);
B01J2229/34 (EP,US);
C07C2529/40 (EP,US)
| C-Set: |
C07C1/20, C07C11/02 (EP,US)
| Designated contracting states | DE, FR [1986/03] | Title | German: | Verbesserung der Lebensdauer von Zeolithkatalysatoren | [1986/03] | English: | Improving zeolite catalyst life | [1986/03] | French: | Amélioration de la durée de vie des catalyseurs zéolitiques | [1986/03] | File destroyed: | 21.07.1995 | Examination procedure | 10.07.1985 | Examination requested [1986/03] | 28.03.1988 | Despatch of communication of intention to grant (Approval: ) | 09.08.1988 | Application refused, date of legal effect [1989/28] | 09.09.1988 | Despatch of communication that the application is refused, reason: formalities examination [1989/28] | Fees paid | Renewal fee | 27.03.1987 | Renewal fee patent year 03 | 21.03.1988 | 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 | [Y]EP0068755 (MOBIL OIL CORP [US]); | [YD]US4231899 (CHEN NAI Y, et al); | [A]EP0021600 (MOBIL OIL CORP [US]) |