Dieter Kaufmann

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Birstein-Kirchbracht, DE

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Patents Grantslast 30 patents

Information Patent Grant
Cadmium-free silver alloy as low-melting brazing filler material
- Patent number 6,299,835
- Issue date Oct 9, 2001
- Degussa AG
- Wolfgang Weise
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cadmium-free silver alloy brazing solder, method of using said sold...
- Patent number 5,531,962
- Issue date Jul 2, 1996
- Degussa Aktiengesellschaft
- Wolfgang Weise
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Use of silver alloys as cadium-free brazing solder
- Patent number 5,352,542
- Issue date Oct 4, 1994
- Degussa Aktiengesellschaft
- Alexander Voelcker
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Use of a cadmium-free silver alloy as brazing solder (III)
- Patent number 5,341,981
- Issue date Aug 30, 1994
- Degussa Aktiengesellschaft
- Wolfgang Weise
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for making targets
- Patent number 4,803,046
- Issue date Feb 7, 1989
- Demetron Gesellschaft Fuer Elektronik-Werkstoffe m.b.H.
- Juergen Hausselt
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Cobalt alloys for the production of dental prothesis
- Patent number 4,606,887
- Issue date Aug 19, 1986
- Degussa Aktiengesellschaft
- Jurgen Hausselt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE