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Extract from the Register of European Patents

EP About this file: EP0629597

EP0629597 - Method of treating drinking water pipes [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  12.06.1995
Database last updated on 31.08.2024
Most recent event   Tooltip12.06.1995Withdrawal of applicationpublished on 02.08.1995 [1995/31]
Applicant(s)For all designated states
STADTWERKE HANNOVER AG
Ihmeplatz 2
D-30499 Hannover / DE
[1994/51]
Inventor(s)01 / Bayer, Gerold
Erfurter Strasse 39
D-31832 Springe / DE
02 / Borninger, Robert
Im Baumhof 4
D-31832 Springe / DE
[1994/51]
Representative(s)Eikenberg, Kurt-Rudolf
Eikenberg & Partner Schackstrasse 1
30175 Hannover / DE
[N/P]
Former [1994/51]Eikenberg, Kurt-Rudolf, Dr. Dipl.-Chem.
Eikenberg & Partner Schackstrasse 1
D-30175 Hannover / DE
Application number, filing date94108341.231.05.1994
[1994/51]
Priority number, dateDE1993431976115.06.1993         Original published format: DE 4319761
[1994/51]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0629597
Date:21.12.1994
Language:DE
[1994/51]
Search report(s)(Supplementary) European search report - dispatched on:EP21.10.1994
ClassificationIPC:C04B40/02, F16L58/06
[1994/51]
CPC:
C04B40/0231 (EP); F16L58/06 (EP); C04B2103/606 (EP);
C04B2111/00525 (EP); C04B2111/56 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [1994/51]
TitleGerman:Verfahren zur Behandlung von Trinkwasser-Rohrleitungen[1994/51]
English:Method of treating drinking water pipes[1994/51]
French:Méthode de traitement pour les conduits d'eau potable[1994/51]
File destroyed:11.09.2001
Examination procedure07.06.1995Application withdrawn by applicant  [1995/31]
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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[PX]US5246641  (A.G. PERKINS ET AL) [PX] 1-4 * column 4, line 35 - column 7, line 12; claims 1,5-7 *;
 [X]JPS5771847  ;
 [XY]JPS6483577  ;
 [Y]FR1306531  (MISUBISHI SHIPBUILDING & ENGINEERING CO, LTD.) [Y] 2,3 * page 1, line 1 - page 2, line 34 * * page 2, line 20 - line 30; claims 1,2 *;
 [A]DE382528  (DR. ING. FRIEDRICH RIEDEL) [A] 1-3 * page 1, line 34 - line 53 * * page 2, line 8 - line 71; claims 1-4 *
 [X]  - DATABASE WPI, 2, Derwent World Patents Index, (19820504), vol. 82, no. 23, Database accession no. 82-47296E, & JPS5771847 A 19820504 (SEKISUI CHEMI IND. KK) [X] 1-3 * abstract *
 [XY]  - DATABASE WPI, 2, Derwent World Patents Index, (19890329), vol. 89, no. 19, Database accession no. 89-140141, & JPS6483577 A 19890329 (DENKI KAGAKU KOGYO KK) [X] 1 * abstract * [Y] 2,3
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.