Wolf-Wigand Albrecht

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Bad Harzburg, DE

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Patents Grantslast 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