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EP0778255
European procedure
Extract from the Register of European Patents
EP About this file: EP0778255
| EP0778255 - Process for production of acrylic acid [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 17.03.2001 Database last updated on 27.07.2024 | Most recent event Tooltip | 17.03.2001 | No opposition filed within time limit | published on 02.05.2001 [2001/18] | Applicant(s) | For all designated states NIPPON SHOKUBAI CO., LTD. 1-1, Koraibashi 4-chome Chuo-ku Osaka-shi / JP | [N/P] |
| Former [1997/24] | For all designated states NIPPON SHOKUBAI CO., LTD. 1-1, Koraibashi 4-chome, Chuo-ku Osaka-shi / JP | Inventor(s) | 01 /
Sakamoto, Kazuhiko 4-5-422, Aoyamaminami 3-chome Himeji-shi, Hyogo-ken / JP | 02 /
Nakahara, Sei 448-1, Waku, Aboshi-ku Himeji-shi, Hyogo-ken / JP | 03 /
Takeda, Takahiro 332-7, Miyata, Katsuhara-ku Himeji-shi, Hyogo-ken / JP | 04 /
Ueoka, Masatoshi 6-21, Midorigaoka-cho, Yashiro Himeji-shi, Hyogo-ken / JP | 05 /
Akazawa, Yohji 87-5, Yamasaki, Shikama-ku Himeji-shi, Hyogo-ken / JP | [1997/24] | Representative(s) | Woods, Geoffrey Corlett J A Kemp 14 South Square Gray's Inn London WC1R 5JJ / GB | [N/P] |
| Former [1997/24] | Woods, Geoffrey Corlett J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5LX / GB | Application number, filing date | 96308837.2 | 05.12.1996 | [1997/24] | Priority number, date | JP19950316182 | 05.12.1995 Original published format: JP 31618295 | [1997/24] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0778255 | Date: | 11.06.1997 | Language: | EN | [1997/24] | Type: | B1 Patent specification | No.: | EP0778255 | Date: | 10.05.2000 | Language: | EN | [2000/19] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.03.1997 | Classification | IPC: | C07C57/04, C07C51/46 | [1997/24] | CPC: |
C07C51/46 (EP,US);
C07C57/04 (KR)
| C-Set: |
C07C51/46, C07C57/04 (EP,US)
| Designated contracting states | BE, DE, FR [1997/24] | Title | German: | Verfahren zur Herstellung der Akrylsäure | [1997/24] | English: | Process for production of acrylic acid | [1997/24] | French: | Procédé de production d'acide acrylique | [1997/24] | Examination procedure | 10.07.1997 | Examination requested [1997/37] | 26.01.1999 | Despatch of a communication from the examining division (Time limit: M04) | 28.05.1999 | Reply to a communication from the examining division | 21.07.1999 | Despatch of communication of intention to grant (Approval: Yes) | 08.11.1999 | Communication of intention to grant the patent | 02.02.2000 | Fee for grant paid | 02.02.2000 | Fee for publishing/printing paid | Opposition(s) | 13.02.2001 | No opposition filed within time limit [2001/18] | Fees paid | Renewal fee | 11.12.1998 | Renewal fee patent year 03 | 09.12.1999 | 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 | [X]DE3429391 (NIPPON CATALYTIC CHEM IND [JP]) [X] 1,2,4,5* ENTIRE DOCUMENT. * | by applicant | JPS4634691B |