Robert A. Hard

Follow

Person

Hallowell, ME, US

People

Patents Grantslast 30 patents

Information Patent Grant
Recovery of metal values
- Patent number 7,282,187
- Issue date Oct 16, 2007
- Caboi Corporation
- Patrick M. Brown
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for solubilizing metal values
- Patent number 6,979,429
- Issue date Dec 27, 2005
- Cabot Corporation
- Robert A Hard
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for recovering metal values by dissolving them in a sulfuri...
- Patent number 6,843,970
- Issue date Jan 18, 2005
- Cabot Corporation
- Robert A. Hard
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Methods to control H2S and arsine emissions
- Patent number 6,800,259
- Issue date Oct 5, 2004
- Cabot Corporation
- Robert A. Hard
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Dispersible, metal oxide-coated, barium titanate materials
- Patent number 6,268,054
- Issue date Jul 31, 2001
- Cabot Corporation
- Stephen A. Costantino
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Method for solubilizing metal values
- Publication number 20030170158
- Publication date Sep 11, 2003
- Robert A. Hard
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Methods to control H2S and arsine emissions
- Publication number 20030165416
- Publication date Sep 4, 2003
- Robert A. Hard
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Dispersible, metal oxide-coated, barium titanate materials
- Publication number 20010048969
- Publication date Dec 6, 2001
- Stephen A. Constantino
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Dispersible, metal oxide-coated, barium titanate materials
- Publication number 20010046603
- Publication date Nov 29, 2001
- Stephen A. Constantino
- C01 - INORGANIC CHEMISTRY