Milton K. Murphy

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Clayton, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Membranes having enhanced selectivity and method of producing such...
- Patent number 5,215,554
- Issue date Jun 1, 1993
- Permea, Inc.
- Paul W. Kramer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Asymmetric gas separation membranes having graded density skins
- Patent number 4,880,441
- Issue date Nov 14, 1989
- Permea, Inc.
- Robert E. Kesting
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for forming asymmetric gas separation membranes having grad...
- Patent number 4,871,494
- Issue date Oct 3, 1989
- Permea, Inc.
- Robert E. Kesting
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing high quality gas for instrumentation applicat...
- Patent number 4,793,830
- Issue date Dec 27, 1988
- Milton K. Murphy
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Gas dehydration membrane apparatus
- Patent number 4,783,201
- Issue date Nov 8, 1988
- Arthur W. Rice
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Permeation modified asymmetric gas separation membranes having grad...
- Patent number 4,728,346
- Issue date Mar 1, 1988
- Permea Inc.
- Milton K. Murphy
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL