Donald A. Douglas

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Amherst, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Partitioning of refractory metals from oxidation resistant scrap alloy
- Patent number 4,320,094
- Issue date Mar 16, 1982
- Cabot Corporation
- Jameel Menashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Chromium recovery from scrap alloys
- Patent number 4,305,754
- Issue date Dec 15, 1981
- Cabot Corporation
- Alkis S. Rappas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Vanadium recovery from scrap alloys
- Patent number 4,298,582
- Issue date Nov 3, 1981
- Cabot Corporation
- Jameel Menashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for recovering chromium, vanadium, molybdenum and tungsten...
- Patent number 4,298,581
- Issue date Nov 3, 1981
- Cabot Corporation
- Donald A. Douglas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for partitioning Mo and W from a mixed CaMoO.sub.4 -CaWO.su...
- Patent number 4,278,644
- Issue date Jul 14, 1981
- Cabot Corporation
- Alkis S. Rappas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...