EP0232060 - Process for the preparation of porous polyolefin films [Right-click to bookmark this link] | |||
Former [1987/33] | Porous polyolefin films and preparation process thereof | ||
[1991/36] | Status | No opposition filed within time limit Status updated on 09.07.1992 Database last updated on 19.07.2024 | Most recent event Tooltip | 09.07.1992 | No opposition filed within time limit | published on 26.08.1992 [1992/35] | Applicant(s) | For all designated states MITSUI TOATSU CHEMICALS, Inc. 2-5 Kasumigaseki 3-chome Chiyoda-Ku Tokyo 100 / JP | [N/P] |
Former [1987/33] | For all designated states MITSUI TOATSU CHEMICALS, Inc. 2-5 Kasumigaseki 3-chome Chiyoda-Ku Tokyo 100 / JP | Inventor(s) | 01 /
Aoyama, Mari 29, Kitanishinaka, Fukuokacho Okazaki-shi Aichi-ken / JP | 02 /
Ito, Michiyasu 68, Hoshikawa Kuwana-shi Mie-ken / JP | 03 /
Tsuji, Syoichi Mitsui Toatsu Taki Ap A-22 5,Takiharucho,Minami-ku Nagoya-shi Aichi-ken / JP | 04 /
Ishii, Toshiyuki 88 Myoukeicho 2-chome Kasugai-shi Aichi-ken / JP | 05 /
Tanaka, Tomohide 158 Issha 2-chome Meitou-ku Nagoya-shi Aichi-ken / JP | [1987/33] | Representative(s) | Griffin, Kenneth David, et al Saunders & Dolleymore LLP 9 Rickmansworth Road Watford WD18 0JU / GB | [N/P] |
Former [1987/33] | Griffin, Kenneth David, et al Saunders & Dolleymore 9, Rickmansworth Road Watford Hertfordshire WD1 7HE / GB | Application number, filing date | 87300489.9 | 21.01.1987 | [1987/33] | Priority number, date | JP19860008888 | 21.01.1986 Original published format: JP 888886 | JP19860121300 | 28.05.1986 Original published format: JP 12130086 | JP19860308723 | 26.12.1986 Original published format: JP 30872386 | JP19860308724 | 26.12.1986 Original published format: JP 30872486 | [1987/33] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0232060 | Date: | 12.08.1987 | Language: | EN | [1987/33] | Type: | A3 Search report | No.: | EP0232060 | Date: | 22.06.1988 | Language: | EN | [1988/25] | Type: | B1 Patent specification | No.: | EP0232060 | Date: | 04.09.1991 | Language: | EN | [1991/36] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 03.05.1988 | Classification | IPC: | C08J5/18 | [1988/18] | CPC: |
C08J5/18 (EP,KR,US);
B29C55/18 (KR);
B29C55/02 (EP,US);
B29C59/04 (EP,US);
C08K3/013 (EP,US);
B29C2059/023 (EP,US);
B29C2791/001 (EP,US);
B29K2023/00 (EP,US);
B29K2105/04 (EP,US);
B29K2105/16 (EP,US);
B29K2995/0065 (EP,US);
B29K2995/0072 (EP,US);
| C-Set: |
C08K3/013, C08L23/02 (EP,US)
|
Former IPC [1987/33] | B29C55/02, C08J5/18 | Designated contracting states | CH, DE, FR, GB, IT, LI, NL, SE [1987/33] | Title | German: | Verfahren zur Herstellungvon Poröse Polyolefinfolien | [1991/36] | English: | Process for the preparation of porous polyolefin films | [1991/36] | French: | Méthode pour la préparationdes films poreux en polyoléfine | [1991/36] |
Former [1987/33] | Poröse Polyolefinfolien und Verfahren zu deren Herstellung | ||
Former [1987/33] | Porous polyolefin films and preparation process thereof | ||
Former [1987/33] | Films poreux en polyoléfine et méthode pour leur préparation | Examination procedure | 29.01.1987 | Examination requested [1987/33] | 20.10.1989 | Despatch of a communication from the examining division (Time limit: M04) | 19.02.1990 | Reply to a communication from the examining division | 18.06.1990 | Despatch of a communication from the examining division (Time limit: M04) | 02.10.1990 | Reply to a communication from the examining division | 27.11.1990 | Despatch of communication of intention to grant (Approval: Yes) | 05.03.1991 | Communication of intention to grant the patent | 20.03.1991 | Fee for grant paid | 20.03.1991 | Fee for publishing/printing paid | Opposition(s) | 05.06.1992 | No opposition filed within time limit [1992/35] | Fees paid | Renewal fee | 14.01.1989 | Renewal fee patent year 03 | 11.12.1989 | Renewal fee patent year 04 | 08.12.1990 | 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 | [XD]JP51030856 ; | [X]US3407253 (SHOHEI YOSHIMURA, et al); | [X]FR2074338 (SEKISUI CHEMICAL CO LTD); | [Y]GB2151538 (MITSUI TOATSU CHEMICALS) | [XD] - WPIL, File Supplier, no. 76-32728x, Derwent Publications, Ltd, London, GB; & JP-A-51 030 856 (SHOWA DENKO K.K.) 17-03-1976, & JP51030856 A 00000000 |