John N. Gerlach

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Burlington, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Continuous recovery of copper metal from acidic solutions
- Patent number 4,095,975
- Issue date Jun 20, 1978
- Kennecott Copper Corporation
- Alkis S. Rappas
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Extractions of copper from solutions by reduction with anthraquinols
- Patent number 4,033,765
- Issue date Jul 5, 1977
- Kennecott Copper Corporation
- John N. Gerlach
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for conserving quinolic compounds in an organic extractant...
- Patent number 4,032,331
- Issue date Jun 28, 1977
- Kennecott Copper Corporation
- John N. Gerlach
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for increasing the rate of copper metal production in a qui...
- Patent number 4,032,332
- Issue date Jun 28, 1977
- Kennecott Copper Corporation
- John N. Gerlach
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...