blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability
Register Forum

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0224270

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]
StatusNo opposition filed within time limit
Status updated on  08.02.1990
Database last updated on 31.08.2024
Most recent event   Tooltip08.02.1990No opposition filed within time limitpublished 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 date86116520.727.11.1986
[1987/23]
Priority number, dateJP1985026769928.11.1985         Original published format: JP 26769985
[1987/23]
Filing languageEN
Procedural languageEN
PublicationType: 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:EP08.04.1987
ClassificationIPC: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 statesBE,   DE,   FR,   GB,   IT [1987/23]
TitleGerman: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 procedure22.07.1987Examination requested  [1987/38]
15.01.1988Despatch of a communication from the examining division (Time limit: M04)
16.05.1988Reply to a communication from the examining division
23.06.1988Despatch of communication of intention to grant (Approval: Yes)
12.10.1988Communication of intention to grant the patent
13.01.1989Fee for grant paid
13.01.1989Fee for publishing/printing paid
Opposition(s)13.01.1990No opposition filed within time limit [1990/13]
Fees paidRenewal fee
24.11.1988Renewal fee patent year 03
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.
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
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.