Daniel A. Norrgran

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Tucson, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for the sulfatization of non-ferrous metal sulfides
- Patent number 4,541,993
- Issue date Sep 17, 1985
- Atlantic Richfield Company
- Daniel A. Norrgran
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...