John de Klerk Batty

Follow

Person

Johannesburg, ZA

People

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
Heat transfer in heap leaching of sulphide ores
- Patent number 6,884,280
- Issue date Apr 26, 2005
- Billiton SA Limited
- John de Klerk Batty
- 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...