Extract from the Register of European Patents

EP About this file: EP0002178

EP0002178 - Process for the preparation of hydroxylammonium salts [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.09.2016
Database last updated on 14.03.2026
Most recent event   Tooltip14.09.2016No opposition filed within time limit 
Applicant(s)For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
67063 Ludwigshafen / DE
[N/P]
Inventor(s)01 / Rapp, Guenther, Dr.
Mundenheimer Strasse 174
D-6700 Ludwigshafen / DE
02 / Thomas, Erwin
Borngasse 12
D-6713 Freinsheim / DE
03 / Muenster, Rolf
Herrmann-Ehlers-Strasse 2
D-6720 Speyer / DE
04 / Caffall, Brodus E.
124 Catalpa
Lake Jackson Texas 77566 / US
05 / Cyr, Philipp A.
114 Buttercup
Lake Jackson Texas 77566 / US
06 / Jones, Thomas M.
602 Centerway
Lake Jackson Texas 77566 / US
[N/P]
Application number, filing date78100973.322.09.1978
Priority number, dateDE1977274332427.09.1977         Original published format: DE 2743324
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0002178
Date:13.06.1979
Language:DE
[N/P]
Type: B1 Patent specification 
No.:EP0002178
Date:05.08.1981
Language:DE
[1981/31]
Search report(s)(Supplementary) European search report - dispatched on:EP02.04.1979
ClassificationIPC:C01B21/14, C22C38/50
[1981/31]
CPC:
C01B21/1418 (EP,US)
Designated contracting statesBE,   CH,   DE,   FR,   GB,   NL 
TitleGerman:Verfahren zur Herstellung von Hydroxylammoniumsalzen
English:Process for the preparation of hydroxylammonium salts
French:Procédé de préparation de sels d'hydroxylammonium
Examination procedure23.05.1979Examination requested
01.08.1979Despatch of a communication from the examining division (Time limit: {0})
25.02.1980Despatch of a communication from the examining division (Time limit: M06)
15.07.1980Reply to a communication from the examining division
14.01.1981Despatch of communication of intention to grant (Approval: )
11.02.1981Communication of intention to grant the patent
19.03.1981Fee for grant paid
19.03.1981Fee for publishing/printing paid
Opposition(s)11.06.1982No opposition filed within time limit [ N /P ]
Fees paidRenewal fee
16.09.1980Renewal 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[X] CH195118  (POLDIHUETTE et al.)
 US3837846  (BECKER H et al.)
 [A] DE2100036  
 [A] DE968363  (DU PONT et al.)
 [A] US2865741  (RAYMOND SMITH et al.)
 DE1302792  
 [A]   WERKSTOFFE UND KORROSION, 1964, Heft 1, I. CLASS UND H. GRFEN: "Beitrag zur Frage der Bestndigkeit von austenitischen Chrom-Nickel-Sthlen und Mo-und Cu-Gehalten bei Einwirkung von Schwefelsure", Seiten 79 bis 84
 [X]   NEUE HUTTE, 16. Jahrgang, Heft 5, Mai 1971, K.-P. ERKEL und M. GNZEL: "Eigenschaften und Anwendungsmglichkeiten von kupferlegierten CrNiMo-Sthlen unter besonderer Bercksichtigung des Stahls X5 CrNiMoCuTi 18.18.", Seiten 285 bis 291 insbesondere, Seite 287, linke Spalte, 2 Absatz
   STAHL-EISEN-LISTE, 3. Auflage, 1969, Verlag Stahleisen m.b.H., Dsseldorf, Seiten 126 bis 129, Werkstoffnummer 2.4851 und 2.4858
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.