Oscar W. Haas

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North Tonawanda, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Membrane nitrogen process and system
- Patent number 5,122,355
- Issue date Jun 16, 1992
- Union Carbide Industrial Gases Technology Corporation
- Ravi Prasad
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Hybrid prepurifier for cryogenic air separation plants
- Patent number 5,116,396
- Issue date May 26, 1992
- Union Carbide Industrial Gases Technology Corporation
- Ravi Prasad
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Production of dry, high purity nitrogen
- Patent number 5,004,482
- Issue date Apr 2, 1991
- Union Carbide Corporation
- Oscar W. Haas
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Dry, high purity nitrogen production process and system
- Patent number 4,934,148
- Issue date Jun 19, 1990
- Union Carbide Corporation
- Ravi Prasad
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Prevention of membrane degradation
- Patent number 4,881,953
- Issue date Nov 21, 1989
- Union Carbide Corporation
- Ravi Prasad
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL