Richard T. Um

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Mount Prospect, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Recovery of cobalt values
- Patent number 4,261,737
- Issue date Apr 14, 1981
- UOP Inc.
- James A. Bradbury
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Hydrometallurgical recovery of metal values
- Patent number 4,200,455
- Issue date Apr 29, 1980
- UOP Inc.
- James A. Bradbury
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of lead values
- Patent number 4,135,993
- Issue date Jan 23, 1979
- UOP Inc.
- Richard T. Um
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Production of metallic lead
- Patent number 4,124,457
- Issue date Nov 7, 1978
- UOP Inc.
- John C. Stauter
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Recovery of chromium values
- Patent number 4,029,734
- Issue date Jun 14, 1977
- UOP Inc.
- John C. Stauter
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of manganese values
- Patent number 4,028,463
- Issue date Jun 7, 1977
- UOP Inc.
- John C. Stauter
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...