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EP0042766
European procedure
Extract from the Register of European Patents
EP About this file: EP0042766
| EP0042766 - Highly anisotropic membranes and process for making same [Right-click to bookmark this link] | Status | Patent maintained as amended Status updated on 16.09.1989 Database last updated on 28.03.2026 | Most recent event Tooltip | 30.10.2009 | Change - representative | published on 02.12.2009 [2009/49] | Applicant(s) | For all designated states PUROPORE, INC. 14332 Chambers Road Tustin California 92680 / US | [N/P] |
| Former [1981/52] | For all designated states PUROPORE, INC. 14332 Chambers Road Tustin California 92680 / US | Inventor(s) | 01 /
Kesting, Robert Emil 4625 Greentree Lane Irvine California 92715 / US | [1981/52] | Representative(s) | McCall, John Douglas, et al WP Thompson Coopers Building Church Street Liverpool L1 3AB / GB | [N/P] |
| Former [2009/49] | McCall, John Douglas, et al W.P. Thompson & Co. Coopers Building Church Street Liverpool L1 3AB / GB | ||
| Former [1981/52] | McCall, John Douglas, et al W.P. THOMPSON & CO. Coopers Building Church Street Liverpool L1 3AB / GB | Application number, filing date | 81302838.8 | 24.06.1981 | [1981/52] | Priority number, date | US19800162679 | 25.06.1980 Original published format: US 162679 | [1981/52] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0042766 | Date: | 30.12.1981 | Language: | EN | [1981/52] | Type: | A3 Search report | No.: | EP0042766 | Date: | 26.05.1982 | Language: | EN | [1982/21] | Type: | B1 Patent specification | No.: | EP0042766 | Date: | 18.09.1985 | Language: | EN | [1985/38] | Type: | B2 New European patent specification | No.: | EP0042766 | Date: | 02.11.1989 | Language: | EN | [1989/44] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.03.1982 | Classification | IPC: | B01D13/04, // B01D13/00, A61L2/02 | [1985/38] | CPC: |
B01D71/20 (EP,US);
A61L2/022 (EP,US);
B01D67/00111 (EP,US);
B01D71/16 (EP,US);
B01D2325/40 (EP,US);
B01D61/147 (EP,US)
|
| Former IPC [1981/52] | B01D13/04, // B01D31/00, A61L2/02 | Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1981/52] | Title | German: | Hochanisotrope Membranen und Verfahren zu ihrer Herstellung | [1981/52] | English: | Highly anisotropic membranes and process for making same | [1981/52] | French: | Membranes hautement anisotropes et procédé pour leur fabrication | [1981/52] | Examination procedure | 08.10.1982 | Examination requested [1982/50] | 17.11.1983 | Despatch of a communication from the examining division (Time limit: M04) | 12.03.1984 | Reply to a communication from the examining division | 18.04.1984 | Despatch of a communication from the examining division (Time limit: M04) | 16.06.1984 | Reply to a communication from the examining division | 31.08.1984 | Despatch of communication of intention to grant (Approval: ) | 01.02.1985 | Communication of intention to grant the patent | 17.04.1985 | Fee for grant paid | 17.04.1985 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
09.06.1986
07.07.1986
ADMISSIBLE Domnick Hunter Filters Limited Durham Road Birtley Co. Durham DH3 2SF / GB Opponent's representative Geldard, David Guthrie URQUHART-DYKES AND LORD Tower House Merrion Way Leeds West Yorkshire LS2 8PA / GB | [N/P] |
| Former [1986/32] | |||
| Opponent(s) | 01
09.06.1986
07.07.1986
ADMISSIBLE Domnick Hunter Filters Limited Durham Road Birtley Co. Durham DH3 2SF / GB Opponent's representative Geldard, David Guthrie URQUHART-DYKES AND LORD Tower House Merrion Way Leeds West Yorkshire LS2 8PA / GB | 14.08.1986 | Invitation to proprietor to file observations on the notice of opposition | 17.02.1987 | Reply of patent proprietor to notice(s) of opposition | 27.03.1987 | Communication of observations of patent proprietor (Time limit: M06) | 22.09.1987 | Reply of parties involved to observations of patent proprietor | 25.04.1988 | Despatch of a communication from the opposition division (Time limit: M06) | 29.05.1989 | Despatch of communication that the patent will be maintained as amended | 31.07.1989 | Fee for printing new specification paid | Fees paid | Renewal fee | 26.08.1983 | Renewal fee patent year 03 | 12.06.1984 | Renewal fee patent year 04 | 20.06.1985 | Renewal fee patent year 05 | Penalty fee | Additional fee for renewal fee | 01.07.1983 | 03 M06 Fee paid on 26.08.1983 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| 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 | 18.09.1985 | BE | 18.09.1985 | CH | 18.09.1985 | LI | 18.09.1985 | NL | 18.09.1985 | SE | 30.09.1985 | LU | 30.06.1986 | [1999/52] |
| Former [1989/19] | AT | 18.09.1985 | |
| BE | 18.09.1985 | ||
| CH | 18.09.1985 | ||
| LI | 18.09.1985 | ||
| NL | 18.09.1985 | ||
| SE | 30.09.1985 | ||
| Former [1988/17] | AT | 18.09.1985 | |
| BE | 18.09.1985 | ||
| NL | 18.09.1985 | ||
| SE | 30.09.1985 | ||
| Former [1988/13] | AT | 18.09.1985 | |
| BE | 18.09.1985 | ||
| SE | 30.09.1985 | ||
| Former [1988/04] | AT | 18.09.1985 | |
| BE | 18.09.1985 | ||
| Former [1986/47] | AT | 18.09.1985 | |