Inventor
NICHOLAS DAVID M
US14 patents
Patents
14 patentsUS4522722AJun 11, 1985
Nitrogen and phosphorus removal from wastewater
AIR PROD & CHEM69 citations96
US4242108ADec 30, 1980
Hydrogen sulfide concentrator for acid gas removal systems
AIR PROD & CHEM76 citations96
US4861351AAug 29, 1989
Production of hydrogen and carbon monoxide
AIR PROD & CHEM126 citations95
US4836833AJun 6, 1989
Production and recovery of hydrogen and carbon monoxide
AIR PROD & CHEM101 citations95
US4761167AAug 2, 1988
Hydrocarbon recovery from fuel gas
AIR PROD & CHEM73 citations94
US5073356ADec 17, 1991
Integrated processes for the production of carbon monoxide
AIR PROD & CHEM65 citations93
US5202057AApr 13, 1993
Production of ammonia synthesis gas
AIR PROD & CHEM22 citations92
US4988490AJan 29, 1991
Adsorptive process for recovering nitrogen from flue gas
AIR PROD & CHEM33 citations92
US5068058ANov 26, 1991
Production of ammonia synthesis gas
AIR PROD & CHEM43 citations91
US4732596AMar 22, 1988
Gas separation process
AIR PROD & CHEM53 citations91
US4654047AMar 31, 1987
Hybrid membrane/cryogenic process for hydrogen purification
AIR PROD & CHEM43 citations91
US4846851AJul 11, 1989
Purification of ammonia syngas
AIR PROD & CHEM49 citations90
US5011670AApr 30, 1991
Integrated reformer process for the production of carbon black
AIR PROD & CHEM15 citations71
US4257897AMar 24, 1981
Process for reabsorption and retention of phosphorous by activated biomass
AIR PROD & CHEM12 citations66