EP0574769 - Use of specific counteranions to modify the solubility of tetrazolium salts [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 28.02.1997 Database last updated on 24.08.2024 | Most recent event Tooltip | 28.12.2002 | Lapse of the patent in a contracting state New state(s): NL | published on 12.02.2003 [2003/07] | Applicant(s) | For all designated states BAYER CORPORATION One Mellon Center 500 Grant Street Pittsburgh, PA 15219-2502 / US | [N/P] |
Former [1995/29] | For all designated states Bayer Corporation One Mellon Center 500 Grant Street Pittsburgh, PA 15219-2502 / US | ||
Former [1995/28] | For all designated states MILES INC. One Mellon Center 500 Grant St. Pittsburgh, PA 15219-2502 / US | ||
Former [1995/26] | For all designated states Bayer Corporation One Mellon Center 500 Grant Street Pittsburgh, PA 15219-2502 / US | ||
Former [1993/51] | For all designated states MILES INC. One Mellon Center 500 Grant St. Pittsburgh, PA 15219-2502 / US | Inventor(s) | 01 /
Blatt, Joel M. 17100 Barryknoll Way Granger, IN 46530 / US | 02 /
Hatch, Robert P. 1807 Filbert Way Elkhart, IN 46514 / US | [1993/51] | Representative(s) | Dänner, Klaus, et al Bayer AG Konzernbereich RP Rechtspolitik Gewerblicher Rechtsschutz 51368 Leverkusen / DE | [N/P] |
Former [1995/26] | Dänner, Klaus, et al Bayer AG Konzernzentrale RP Patente Konzern D-51368 Leverkusen / DE | ||
Former [1993/51] | Dänner, Klaus, Dr. Bayer AG Konzernverwaltung RP Patente Konzern D-51368 Leverkusen / DE | Application number, filing date | 93108863.7 | 02.06.1993 | [1993/51] | Priority number, date | US19920898317 | 15.06.1992 Original published format: US 898317 | [1993/51] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0574769 | Date: | 22.12.1993 | Language: | EN | [1993/51] | Type: | B1 Patent specification | No.: | EP0574769 | Date: | 17.04.1996 | Language: | EN | [1996/16] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.09.1993 | Classification | IPC: | C07D257/04, G01N33/52, C07D417/04, C07F9/6524 | [1993/51] | CPC: |
C07D257/04 (EP,US);
C07D417/04 (EP,US);
C07D417/14 (EP,US);
C07F9/11 (EP,US);
C07F9/12 (EP,US)
| Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, GR, IE, IT, LI, LU, NL, PT, SE [1993/51] | Title | German: | Verwendung spezifischer gegenanionen zum Verändern der Löslichkeit von Tetrazoliumsalzen | [1993/51] | English: | Use of specific counteranions to modify the solubility of tetrazolium salts | [1993/51] | French: | Utilisation de contre-ions spécifiques pour modifier la solubilité de sels de tetrazolium | [1993/51] | Examination procedure | 09.06.1994 | Examination requested [1994/32] | 08.09.1994 | Despatch of a communication from the examining division (Time limit: M04) | 19.12.1994 | Reply to a communication from the examining division | 09.02.1995 | Despatch of a communication from the examining division (Time limit: M04) | 08.06.1995 | Reply to a communication from the examining division | 28.06.1995 | Despatch of communication of intention to grant (Approval: Yes) | 17.10.1995 | Communication of intention to grant the patent | 08.01.1996 | Fee for grant paid | 08.01.1996 | Fee for publishing/printing paid | Opposition(s) | 18.01.1997 | No opposition filed within time limit [1997/16] | Fees paid | Renewal fee | 26.05.1995 | Renewal fee patent year 03 |
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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. | Lapses during opposition Tooltip | AT | 17.04.1996 | BE | 17.04.1996 | CH | 17.04.1996 | DK | 17.04.1996 | GR | 17.04.1996 | LI | 17.04.1996 | NL | 17.04.1996 | IE | 17.06.1996 | LU | 30.06.1996 | PT | 17.07.1996 | SE | 17.07.1996 | [2003/07] |
Former [2001/05] | AT | 17.04.1996 | |
BE | 17.04.1996 | ||
CH | 17.04.1996 | ||
DK | 17.04.1996 | ||
GR | 17.04.1996 | ||
LI | 17.04.1996 | ||
IE | 17.06.1996 | ||
LU | 30.06.1996 | ||
PT | 17.07.1996 | ||
SE | 17.07.1996 | ||
Former [2000/52] | AT | 17.04.1996 | |
BE | 17.04.1996 | ||
CH | 17.04.1996 | ||
DK | 17.04.1996 | ||
GR | 17.04.1996 | ||
LI | 17.04.1996 | ||
LU | 30.06.1996 | ||
PT | 17.07.1996 | ||
SE | 17.07.1996 | ||
Former [2000/50] | AT | 17.04.1996 | |
BE | 17.04.1996 | ||
DK | 17.04.1996 | ||
GR | 17.04.1996 | ||
LU | 30.06.1996 | ||
PT | 17.07.1996 | ||
SE | 17.07.1996 | ||
CH | 22.07.1996 | ||
LI | 22.07.1996 | ||
Former [2000/05] | AT | 17.04.1996 | |
BE | 17.04.1996 | ||
DK | 17.04.1996 | ||
GR | 17.04.1996 | ||
LU | 30.06.1996 | ||
PT | 17.07.1996 | ||
SE | 17.07.1996 | ||
Former [1998/15] | AT | 17.04.1996 | |
BE | 17.04.1996 | ||
DK | 17.04.1996 | ||
PT | 17.07.1996 | ||
SE | 17.07.1996 | ||
Former [1998/14] | AT | 17.04.1996 | |
BE | 17.04.1996 | ||
PT | 17.07.1996 | ||
SE | 17.07.1996 | ||
Former [1997/20] | AT | 17.04.1996 | |
BE | 17.04.1996 | ||
SE | 17.07.1996 | ||
Former [1997/03] | AT | 17.04.1996 | |
SE | 17.07.1996 | ||
Former [1996/47] | SE | 17.07.1996 | Documents cited: | Search | [YD]US3655382 (BRAULT ALBERT T, et al); | [XD]US4221864 (IYTAKA TATESHI, et al); | [YD]US4334071 (KOTICK MICHAEL P, et al); | [A]EP0100217 (WAKO PURE CHEM IND LTD [JP]); | [Y]US5036000 (PALMER JOHN L [US], et al) |