Richard K. Barchas

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Chemical absorption process for recovering olefins from cracked gases
- Patent number 6,395,952
- Issue date May 28, 2002
- Stone & Webster Process Technology, Inc.
- Richard Barchas
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Deep selective hydrogenation process
- Patent number 6,297,414
- Issue date Oct 2, 2001
- Stone & Webster Process Technology, Inc.
- Richard Barchas
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Chemical absorption process for recovering olefins from cracked gases
- Patent number 5,859,304
- Issue date Jan 12, 1999
- Stone & Webster Engineering Corp.
- Richard Barchas
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Membrane separation process for cracked gases
- Patent number 5,082,481
- Issue date Jan 21, 1992
- Lummus Crest, Inc.
- Richard K. Barchas
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...