Billiton Intellectual Property, B.V.

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The Hague, NL

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Patents Grantslast 30 patents

Information Patent Grant
Stable ferric arsenate precipitation from acid copper solutions whi...
- Patent number 7,314,604
- Issue date Jan 1, 2008
- Billiton Intellectual Property, B.V.
- Paul Harvey
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of precious metal from sulphide minerals by bioleaching
- Patent number 6,860,919
- Issue date Mar 1, 2005
- Billiton Intellectual Property, B.V.
- Alan Norton
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of copper from copper bearing sulphide minerals by bioleac...
- Patent number 6,833,020
- Issue date Dec 21, 2004
- Billiton Intellectual Property, B.V.
- David William Dew
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of nickel from nickel bearing sulphide minerals by bioleac...
- Patent number 6,733,567
- Issue date May 11, 2004
- Billiton Intellectual Property, B.V.
- David William Dew
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of nickel and copper from sulphide concentrates by bioleac...
- Patent number 6,582,494
- Issue date Jun 24, 2003
- Billiton Intellectual Property, B.V.
- David William Dew
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

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