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EP0574855
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EP About this file: EP0574855
| EP0574855 - Elevated pressure phthalic anhydride process [Right-click to bookmark this link] | Status | The application has been withdrawn Status updated on 13.09.1996 Database last updated on 22.08.2024 | Most recent event Tooltip | 13.09.1996 | Withdrawal of application | published on 30.10.1996 [1996/44] | Applicant(s) | For all designated states AIR PRODUCTS AND CHEMICALS, INC. 7201 Hamilton Boulevard Allentown, PA 18195-1501 / US | [1993/51] | Inventor(s) | 01 /
Chen, Michael Shi-Kuan 6981 Yeakels Mill Road Zionsville, PA 18092 / US | 02 /
Cook, Philip Joseph 131 Bachman Drive Schnecksville, PA 18078 / US | 03 /
Gunardson, Harold Henry RD No.1 Box 1041B, Flint Hill Road New Tripoli, PA 18066 / US | 04 /
Ulrich, Melinda Bedics 20 Meadowview Drive Annandale, NJ 08801 / US | [1993/51] | Representative(s) | SSM Sandmair Patentanwälte Rechtsanwalt Partnerschaft mbB Joseph-Wild-Straße 20 81829 München / DE | [N/P] |
| Former [1993/51] | Schwabe - Sandmair - Marx Stuntzstrasse 16 D-81677 München / DE | Application number, filing date | 93109457.7 | 14.06.1993 | [1993/51] | Priority number, date | US19920899797 | 17.06.1992 Original published format: US 899797 | [1993/51] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0574855 | Date: | 22.12.1993 | Language: | EN | [1993/51] | Type: | A3 Search report | No.: | EP0574855 | Date: | 15.11.1995 | Language: | EN | [1995/46] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 04.10.1995 | Classification | IPC: | C07C51/573, C07D307/89, C07C51/265, C07C51/31 | [1995/44] | CPC: |
C07C51/265 (EP,KR,US);
C07C51/313 (EP,KR,US)
| C-Set: |
C07C51/265, C07C63/16 (EP,US);
C07C51/313, C07C63/16 (US,EP) |
| Former IPC [1993/51] | C07C51/573, C07D307/89 | Designated contracting states | AT, BE, CH, DE, ES, FR, GB, IT, LI, NL, SE [1993/51] | Title | German: | Verfahren zur Herstellung von Phthalsäureanhydrid unter erhöhtem Druck | [1993/51] | English: | Elevated pressure phthalic anhydride process | [1993/51] | French: | Procédé pour la préparation d'anhydride phtalique à expression élevée | [1993/51] | File destroyed: | 20.04.2002 | Examination procedure | 02.02.1996 | Examination requested [1996/14] | 21.05.1996 | Despatch of a communication from the examining division (Time limit: M04) | 03.09.1996 | Application withdrawn by applicant [1996/44] | Fees paid | Renewal fee | 09.06.1995 | Renewal fee patent year 03 | 07.06.1996 | 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]DE1144709 (BADISCHE ANILIN_ & SODA-FABRIK AG) [A] 1 * column 8, line 14 - line 16; example - *; | [A]DE954240 (BASF AG) [A] 1 * the whole document *; | [XY]GB1024719 (HALCON INTERNATIONAL INC) [X] 1 * the whole document, in particular page 1, lines 46-48 and page 2, lines 52-57 * * page 2, line 70 - line 104 * [Y] 2; | [Y]US3535345 (EGBERT ROBERT B) [Y] 2 * column 3, line 43 - column 4, line 63 *; | [X]US3852308 (RYDER R, et al) [X] 1 * the whole document, in particular column 3, lines 43-52 and column 6, lines 53-61 *; | [A]EP0174625 (BASF AG [DE]) |