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HERMANN C. STARCK BERLIN
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BERLIN, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for improving the flowability and increasing the bulk densi...
Patent number
4,569,693
Issue date
Feb 11, 1986
Hermann C. Starck Berlin
Wolf-Wigand Albrecht
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for treating the surface of valve metals with chalcogens
Patent number
4,548,672
Issue date
Oct 22, 1985
Hermann C. Starck Berlin
Wolf-Wigand Albrecht
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for producing valve-metal anodes for electrolytic capacitors
Patent number
4,537,641
Issue date
Aug 27, 1985
Hermann C. Starck Berlin
Wolf-Wigand Albrecht
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Valve metal powder doped with boron
Patent number
4,512,805
Issue date
Apr 23, 1985
Hermann C. Starck Berlin
Wolf-Wigand Albrecht
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Production of highly capacitive agglomerated valve metal powder and...
Patent number
4,483,819
Issue date
Nov 20, 1984
Hermann C. Starck Berlin
Wolf-Wigand Albrecht
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for the recovery of metals from catalysts
Patent number
4,384,885
Issue date
May 24, 1983
Hermann C. Starck Berlin
Hans R. Muller
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Tungsten production from raw materials containing phosphorus impuri...
Patent number
4,349,515
Issue date
Sep 14, 1982
Hermann C. Starck Berlin
Wolfgang Muller
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Electrodes of sintered tantalum powder of fine grain size and proce...
Patent number
4,347,084
Issue date
Aug 31, 1982
Hermann C. Starck Berlin
Reinhard Hahn
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for the recovery of hydrofluoric acid and depositable resid...
Patent number
4,309,389
Issue date
Jan 5, 1982
Hermann C. Starck Berlin
Horst Meyer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for the preparation of tantalum and niobium powders of impr...
Patent number
4,231,790
Issue date
Nov 4, 1980
Hermann C. Starck Berlin
Reinhard Hahn
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of obtaining tantalum-niobium from ores having a high titani...
Patent number
4,192,674
Issue date
Mar 11, 1980
Hermann C. Starck Berlin
Bruno Krismer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of producing porous metal bodies for use in the electronic i...
Patent number
4,154,609
Issue date
May 15, 1979
Hermann C. Starck Berlin
Reinhard Hahn
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73562717 - AMPERSINT
Serial number
73562717
Registration number
1397388
Filing date
Oct 11, 1985
HERMANN C. STARCK BERLIN
6 - Common metals and their alloys