EP0224270 - Method of monitoring the inner surface of copper-alloy condensor tubes [Right-click to bookmark this link] | |||
Former [1987/23] | Method for monitoring copper-alloy tubes for maintaining corrosion resistance and cleanliness factor of their inner surfaces | ||
[1989/15] | Status | No opposition filed within time limit Status updated on 08.02.1990 Database last updated on 31.08.2024 | Most recent event Tooltip | 08.02.1990 | No opposition filed within time limit | published on 28.03.1990 [1990/13] | Applicant(s) | For all designated states SUMITOMO LIGHT METAL INDUSTRIES LIMITED 11-3, Shinbashi 5 chome Minato-ku Tokyo / JP | For all designated states The Kansai Electric Power Co., Inc. 3-22, Nakanoshima-3-chome Kita-ku Osaka-shi, Osaka 530 / JP | [N/P] |
Former [1987/23] | For all designated states SUMITOMO LIGHT METAL INDUSTRIES LIMITED 11-3, Shinbashi 5 chome Minato-ku Tokyo / JP | ||
For all designated states THE KANSAI ELECTRIC POWER CO., INC. 3-22, Nakanoshima-3-chome Kita-ku Osaka-shi, Osaka 530 / JP | Inventor(s) | 01 /
Kawabe, Atsushi Kansai Electric Power Co., Inc. 3-22, 3-chome, Nakanoshima Kita-ku Osaka-shi Osaka-fu / JP | 02 /
Yasui, Katsumi Kansai Electric Power Co., Inc. 3-22, 3-chome, Nakanoshima Kita-ku Osaka-shi Osaka-fu / JP | 03 /
Yamamoto, Masaki Kansai Electric Power Co., Inc. 3-22, 3-chome, Nakanoshima Kita-ku Osaka-shi Osaka-fu / JP | 04 /
Nagata, Kojii Sumitomo Light Metal Ind. Ltd. 1-12, 3-chome, Chitose Minato-ku Nagoya-shi Aichi-ken / JP | 05 /
Atsumi, Tetsuro Sumitomo Light Metal Ind. Ltd. 1-12, 3-chome, Chitose Minato-ku Nagoya-shi Aichi-ken / JP | 06 /
Nishikawa, Mamoru Sumitomo Light Metal Ind. Ltd. 1-12, 3-chome, Chitose Minato-ku Nagoya-shi Aichi-ken / JP | [1987/23] | Representative(s) | Grams, Klaus Dieter, et al Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4-6 80336 München / DE | [N/P] |
Former [1987/23] | Grams, Klaus Dieter, Dipl.-Ing., et al Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4 D-80336 München / DE | Application number, filing date | 86116520.7 | 27.11.1986 | [1987/23] | Priority number, date | JP19850267699 | 28.11.1985 Original published format: JP 26769985 | [1987/23] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0224270 | Date: | 03.06.1987 | Language: | EN | [1987/23] | Type: | B1 Patent specification | No.: | EP0224270 | Date: | 12.04.1989 | Language: | EN | [1989/15] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.04.1987 | Classification | IPC: | F28B11/00 | [1987/23] | CPC: |
C23F11/18 (EP,US);
F28B11/00 (EP,US);
F28F19/004 (EP,US);
F28G1/12 (EP,US);
G01B7/06 (EP,US);
G01N17/02 (EP,US)
| Designated contracting states | BE, DE, FR, GB, IT [1987/23] | Title | German: | Verfahren zur Überwachung der Innenflächen von kupferlegierten Kondensatorrohren | [1989/15] | English: | Method of monitoring the inner surface of copper-alloy condensor tubes | [1989/15] | French: | Méthode de contrôle de la surface intérieure de tubes condenseurs en alliage de cuivre | [1989/15] |
Former [1987/23] | Überwachungsverfahren zum Beibehalten des Korrosionswiderstandes und des Sauberkeitsfaktors an den Innenoberflächen von Kupferleitungsrohren | ||
Former [1987/23] | Method for monitoring copper-alloy tubes for maintaining corrosion resistance and cleanliness factor of their inner surfaces | ||
Former [1987/23] | Méthode de contrôle de tubes en alliage de cuivre afin de maintenir la résistance à la corrosion et le degré de propreté de leurs surfaces internes | Examination procedure | 22.07.1987 | Examination requested [1987/38] | 15.01.1988 | Despatch of a communication from the examining division (Time limit: M04) | 16.05.1988 | Reply to a communication from the examining division | 23.06.1988 | Despatch of communication of intention to grant (Approval: Yes) | 12.10.1988 | Communication of intention to grant the patent | 13.01.1989 | Fee for grant paid | 13.01.1989 | Fee for publishing/printing paid | Opposition(s) | 13.01.1990 | No opposition filed within time limit [1990/13] | Fees paid | Renewal fee | 24.11.1988 | 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. | Documents cited: | Search | [A]JP58171578 ; | [A]JP58208587 ; | [A]EP0030459 (HITACHI LTD [JP]); | [A]GB2125171 (CITIZEN WATCH CO LTD); | [A]EP0155826 (BABCOCK & WILCOX CO [US]); | [A]FR1087475 (CONDENSATION APPLICATION MEC); | [A]DE3125546 (HITACHI LTD [JP]); | [A]GB1016361 (ICI LTD); | [A]US3788962 (FRENCK J) | [A] - PATENTS ABSTRACTS OF JAPAN, vol. 8, no. 3 (C-203)[1440], 7th January 1984; & JP-A-58 171 578 (NIHON BOUSHIYOKU KOGYO K.K.) 08.10.1983, & JP58171578 A 00000000 | [A] - CORROSION, vol. 14, September 1958, pages 440t-444t, Houston, US; M. STERN: "A method for determining corrosion rates from linear polarization data" | [A] - PATENTS ABSTRACTS OF JAPAN, vol. 8, no. 57 (M-283)[1494], 15th March 1984; & JP-A-58 208 587 (MITSUBISHI DENKI K.K.) 05-12-1983, & JP58208587 A 00000000 |