ERIK M. WEENINK

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SPARKS, NV, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for leaching nickeliferous laterite ores
- Patent number 6,379,636
- Issue date Apr 30, 2002
- BHP Minerals International, Inc.
- J. Carlos Arroyo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Resin-in-pulp method for recovery of nickel and cobalt
- Patent number 6,350,420
- Issue date Feb 26, 2002
- BHP Minerals International, Inc.
- Willem P. C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR LEACHING NICKELIFEROUS LATERITE ORES
- Publication number 20020006370
- Publication date Jan 17, 2002
- J. CARLOS ARROYO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RECOVERY OF NICKEL AND COBALT FROM ORE
- Publication number 20010001650
- Publication date May 24, 2001
- William P.C. Duyvesteyn
- WILLEM P. C. DUYVESTEYN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...