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EP0238853
European procedure
Extract from the Register of European Patents
EP About this file: EP0238853
| EP0238853 - A process for synthesizing phosphonic acid-containing polymers and the polymers thereof [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 17.09.1992 Database last updated on 02.11.2024 | Most recent event Tooltip | 17.09.1992 | No opposition filed within time limit | published on 11.11.1992 [1992/46] | Applicant(s) | For all designated states NALCO CHEMICAL COMPANY One Nalco Center Naperville, IL 60563-1198 / US | [N/P] |
| Former [1987/40] | For all designated states NALCO CHEMICAL COMPANY One Nalco Center Naperville Illinois 60563-1198 / US | Inventor(s) | 01 /
Fong, Dodd Wing 1275 Leverenz Road Naperville, IL 60565 / US | 02 /
Kowalski, David Joseph 1505 Ostrander LaGrange Park, IL 60565 / US | [1991/46] |
| Former [1987/40] | 01 /
Fong, Dodd Wing 1275 Leverenz Road Naperville Illinois 60565 / US | ||
| 02 /
Kowalski, David Joseph 1505 Ostrander LaGrange Park Illinois 60565 / US | Representative(s) | Rotter, Ulrich, et al Patentanwälte Ruschke, Ruschke, Rost, Rotter Pienzenauerstrasse 2 81679 München / DE | [N/P] |
| Former [1987/40] | Rotter, Ulrich, Dipl.-Chem. Dr., et al Patentanwälte Dipl.-Ing. Olaf Ruschke Dipl.-Ing. Hans E. Ruschke Dipl.-Ing. Jürgen Rost Dipl.-Chem. Dr. U. Rotter Pienzenauerstrasse 2 D-81679 München / DE | Application number, filing date | 87102391.7 | 19.02.1987 | [1987/40] | Priority number, date | US19860831962 | 24.02.1986 Original published format: US 831962 | [1987/40] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0238853 | Date: | 30.09.1987 | Language: | EN | [1987/40] | Type: | A3 Search report | No.: | EP0238853 | Date: | 02.12.1987 | Language: | EN | [1987/49] | Type: | B1 Patent specification | No.: | EP0238853 | Date: | 13.11.1991 | Language: | EN | [1991/46] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.10.1987 | Classification | IPC: | C08F8/40 | [1987/40] | CPC: |
C08F8/40 (EP,US)
| C-Set: |
C08F8/40, C08F20/00 (EP,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, NL, SE [1987/40] | Title | German: | Verfahren zur Herstellung von Phosphonsäure enthaltenden Polymeren und Polymere daraus | [1987/40] | English: | A process for synthesizing phosphonic acid-containing polymers and the polymers thereof | [1987/40] | French: | Procédé de préparation de polymères contenant de l'acide phosphonique et polymères ainsi obtenus | [1987/40] | Examination procedure | 11.01.1988 | Examination requested [1988/11] | 27.02.1989 | Despatch of a communication from the examining division (Time limit: M06) | 25.08.1989 | Reply to a communication from the examining division | 31.01.1990 | Despatch of a communication from the examining division (Time limit: M06) | 10.08.1990 | Reply to a communication from the examining division | 26.04.1991 | Despatch of communication of intention to grant (Approval: Yes) | 16.05.1991 | Communication of intention to grant the patent | 19.08.1991 | Fee for grant paid | 19.08.1991 | Fee for publishing/printing paid | Opposition(s) | 14.08.1992 | No opposition filed within time limit [1992/46] | Fees paid | Renewal fee | 19.01.1989 | Renewal fee patent year 03 | 15.01.1990 | Renewal fee patent year 04 | 02.01.1991 | Renewal fee patent year 05 |
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