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Extract from the Register of European Patents

EP About this file: EP0492691

EP0492691 - Two-step method for recovering dispersed noble metals [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  16.07.1992
Database last updated on 05.10.2024
Most recent event   Tooltip16.07.1992Withdrawal of applicationpublished on 02.09.1992 [1992/36]
Applicant(s)For all designated states
METALLGESELLSCHAFT Aktiengesellschaft
Postfach 10 15 01
60015 Frankfurt / DE
[N/P]
Former [1992/27]For all designated states
METALLGESELLSCHAFT Aktiengesellschaft
Postfach 10 15 01, Reuterweg 14
D-60015 Frankfurt / DE
Inventor(s)01 / Allen, Robert J.
130 Adams Avenue
Saugus, Massachusetts 01906 / US
02 / Foller, Peter C.
20000 Commonwealth Avenue
Boston, Massachusetts 02135 / US
03 / Giallombardo, James
25 Hull Street
Beverly, Massachusetts 01915 / US
[1992/27]
Application number, filing date91203226.510.12.1991
[1992/27]
Priority number, dateUS1990063216021.12.1990         Original published format: US 632160
[1992/27]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0492691
Date:01.07.1992
Language:EN
[1992/27]
Search report(s)(Supplementary) European search report - dispatched on:EP24.03.1992
ClassificationIPC:C22B11/06
[1992/27]
CPC:
C01G55/005 (EP,US); C22B11/026 (EP,US); Y02P10/20 (EP,US)
Designated contracting statesBE,   DE,   GB [1992/27]
TitleGerman:Verfahren zur Rückgewinnung feinverteilter Edelmetalle durch eine zweistufige Behandlung[1992/27]
English:Two-step method for recovering dispersed noble metals[1992/27]
French:Procédé de récupération de métaux précieux finement dispersés par un traitement à deux étages[1992/27]
File destroyed:02.02.2002
Examination procedure30.06.1992Application withdrawn by applicant  [1992/36]
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Documents cited:Search[Y]US3021209  (MURRAY MAURICE J, et al);
 [A]DE1051009  ;
 [A]DE671863  (WALTHER KANGRO DR);
 [AD]US2828200  (NIXON WILLIAM G);
 [AD]US3951648  (STERN ROBERT, et al);
 [AD]US4077800  (PEKA IVO, et al);
 [Y]JPS54107801
 [Y]  - PATENT ABSTRACTS OF JAPAN vol. 3no. 128 (C-62)(83) 24 October 1979 & JP-A-54 107 801 ( CHIYODA KAKO KENSETSU ) 24 August 1979
 [A]  - GMELIN,SYSTEM 64,VOL. B 1 'Rhodium' 1982 , SPRINGER-VERLAG BERLIN-NEW YORK
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.