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EP0294714
European procedure
Extract from the Register of European Patents
EP About this file: EP0294714
| EP0294714 - Use of polyvinylpyrrolidone (PVP) to reduce turbidity of sera, sera containing PVP and process for their production [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 27.05.1993 Database last updated on 12.07.2024 | Most recent event Tooltip | 27.05.1993 | No opposition filed within time limit | published on 14.07.1993 [1993/28] | Applicant(s) | For all designated states BEHRINGWERKE Aktiengesellschaft Postfach 1140 35001 Marburg / DE | [N/P] |
| Former [1988/50] | For all designated states BEHRINGWERKE Aktiengesellschaft Postfach 1140 D-35001 Marburg / DE | Inventor(s) | 01 /
Steuer, Dagmar Am Sonnenhang 9 D-3550 Marburg / DE | [1988/50] | Representative(s) | Tergau, Ulrich, et al HOECHST AKTIENGESELLSCHAFT Zentrale Patentabteilung Postfach 80 03 20 65926 Frankfurt am Main / DE | [N/P] |
| Former [1988/50] | Tergau, Ulrich, Dr., et al HOECHST AKTIENGESELLSCHAFT Zentrale Patentabteilung Postfach 80 03 20 D-65926 Frankfurt am Main 80 / DE | Application number, filing date | 88108870.2 | 03.06.1988 | [1988/50] | Priority number, date | DE19873719196 | 09.06.1987 Original published format: DE 3719196 | [1988/50] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0294714 | Date: | 14.12.1988 | Language: | DE | [1988/50] | Type: | A3 Search report | No.: | EP0294714 | Date: | 22.03.1989 | Language: | DE | [1989/12] | Type: | B1 Patent specification | No.: | EP0294714 | Date: | 22.07.1992 | Language: | DE | [1992/30] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 31.01.1989 | Classification | IPC: | G01N33/96 | [1988/50] | CPC: |
G01N33/96 (EP);
G01N2496/05 (EP);
G01N2496/35 (EP);
G01N33/92 (EP)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1988/50] | Title | German: | Verwendung von Polyvinylpyrrolidon (PVP) zur Trübungsminderung von Seren, Seren enthaltend PVP und Verfahren zu deren Herstellung | [1988/50] | English: | Use of polyvinylpyrrolidone (PVP) to reduce turbidity of sera, sera containing PVP and process for their production | [1988/50] | French: | Utilisation de polyvinylpyrrolidone (PVP) pour diminuer le trouble des sérums, des sérums contenant du PVP et procédé pour leur préparation | [1988/50] | Examination procedure | 15.09.1989 | Examination requested [1989/45] | 18.01.1991 | Despatch of a communication from the examining division (Time limit: M04) | 26.03.1991 | Reply to a communication from the examining division | 08.07.1991 | Despatch of communication of intention to grant (Approval: Yes) | 21.11.1991 | Communication of intention to grant the patent | 01.02.1992 | Fee for grant paid | 01.02.1992 | Fee for publishing/printing paid | Opposition(s) | 23.04.1993 | No opposition filed within time limit [1993/28] | Fees paid | Renewal fee | 11.05.1990 | Renewal fee patent year 03 | 21.12.1990 | Renewal fee patent year 04 | 14.05.1992 | Renewal fee patent year 05 |
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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]US3764478 (BERGMEYER H, et al); | [A]EP0014252 (BOEHRINGER MANNHEIM GMBH [DE]); | [YD]EP0141922 (BEHRINGWERKE AG [DE]) | [Y] - ENCYCLOPEDIA OF POLYMER SCIENCE AND ENGINEERING | [A] - CHEMICAL ABSTRACTS | Examination | - ENCYCLOPEDIA OF POLYMER SCIENCE AND ENGINEERING, Band 7, 1987, John Wiley & Sons, New York, NY (US); Seite 277 | - CHEMICAL ABSTRACTS, Band 99, Nr.17, 24 Oktober 1983, Columbus, OH (US); Seite 461, Nr.138179r |