Willem P. C. Duyvesteyn

Person

Benthuisen, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Mixed lixiviant for separate recovery of zinc and lead from iron-co...
- Patent number 4,614,543
- Issue date Sep 30, 1986
- Amax Inc.
- Willem P. C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Two-stage leaching process for steel plant dusts
- Patent number 4,610,721
- Issue date Sep 9, 1986
- Amax Inc.
- Willem P. C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for metal recovery from steel plant dust
- Patent number 4,610,722
- Issue date Sep 9, 1986
- Amax Inc.
- Willem P. C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recycling of steel plant dusts to steel furnaces
- Patent number 4,605,435
- Issue date Aug 12, 1986
- Amax Inc.
- Willem P. C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Zinc recovery from steel plant dusts and other zinciferous materials
- Patent number 4,572,771
- Issue date Feb 25, 1986
- Amax Inc.
- Willem P. C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Electrogalvanizing utilizing primary and secondary zinc sources
- Patent number 4,552,629
- Issue date Nov 12, 1985
- AMAX, Inc.
- Willem P. C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Willem P. C. Duyvesteyn

Person

Patents Grantslast 30 patents

Mixed lixiviant for separate recovery of zinc and lead from iron-co...

Two-stage leaching process for steel plant dusts

Process for metal recovery from steel plant dust

Recycling of steel plant dusts to steel furnaces

Zinc recovery from steel plant dusts and other zinciferous materials

Electrogalvanizing utilizing primary and secondary zinc sources