Inventor
STEGER JOHN J
US29 patents
⚠️ This page may combine multiple inventors who share the name “STEGER JOHN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ENGELHARD CORP
14 patentsUS6764665B2Jul 20, 2004
Layered catalyst composite
ENGELHARD CORP168 citations98
US5357908AOct 25, 1994
Fuel modification method and apparatus for reduction of pollutants emitted from internal combustion engines
ENGELHARD CORP139 citations98
US5898014AApr 27, 1999
Catalyst composition containing oxygen storage components
ENGELHARD CORP124 citations97
US6340066B1Jan 22, 2002
Pollutant treating devices and methods of making the same
ENGELHARD CORP57 citations96
US5981427ANov 9, 1999
Catalyst composition
ENGELHARD CORP64 citations96
US5419121AMay 30, 1995
Method and apparatus for reduction of pollutants emitted from automotive engines by flame incineration
ENGELHARD CORP60 citations96
US6214303B1Apr 10, 2001
Method and apparatus for treating the atmosphere
ENGELHARD CORP106 citations95
US5888464AMar 30, 1999
Catalyst composition containing an intimately combined cerium-zirconium oxide
ENGELHARD CORP57 citations94
US6237575B1May 29, 2001
Dynamic infrared sensor for automotive pre-vaporized fueling control
ENGELHARD CORP73 citations93
US6193504B1Feb 27, 2001
Portable rotary catalytic oxidizer systems
ENGELHARD CORP22 citations92
US6685898B2Feb 3, 2004
Hydrophobic catalytic materials and method of forming the same
ENGELHARD CORP16 citations91
US6156283ADec 5, 2000
Hydrophobic catalytic materials and method of forming the same
ENGELHARD CORP21 citations91
US6872686B2Mar 29, 2005
Hydrophobic catalytic materials and method of forming the same
ENGELHARD CORP3 citations62
US6586359B1Jul 1, 2003
Catalytic material for treating pollutant-containing gases
ENGELHARD CORP0 citations51
EXXON RESEARCH ENGINEERING CO
13 patentsUS4721558AJan 26, 1988
Hydrotreating catalysts comprising a mixture of a sulfide of a promoter metal amorphous sulfide of trivalent chromium and microcrystalline molybdenum or tungsten sulfide
EXXON RESEARCH ENGINEERING CO92 citations96
US4824820AApr 25, 1989
Hydrotreating catalysts comprising a mixture of a sulfide of a promoter metal, amorphous sulfide of trivalent chromium and microcrystalline molybdenum or tungsten sulfide
EXXON RESEARCH ENGINEERING CO36 citations93
US4648960AMar 10, 1987
Bound zeolite catalyst and process for using said catalyst
EXXON RESEARCH ENGINEERING CO29 citations92
US4595668AJun 17, 1986
Bound zeolite catalyst
EXXON RESEARCH ENGINEERING CO30 citations92
US4595670AJun 17, 1986
Zeolite catalyst
EXXON RESEARCH ENGINEERING CO27 citations92
US4361714ANov 30, 1982
Preparation of linear olefin products
EXXON RESEARCH ENGINEERING CO35 citations92
US4552856ANov 12, 1985
Zeolite catalyst and preparation thereof
EXXON RESEARCH ENGINEERING CO26 citations82
US4130492ADec 19, 1978
MXY3 solid lubricants
EXXON RESEARCH ENGINEERING CO20 citations82
US4716139ADec 29, 1987
Amorphous sulfide catalysts of trivalent chromium and promoter metals and method of making same
EXXON RESEARCH ENGINEERING CO7 citations74
US4634517AJan 6, 1987
Zeolite catalyst and process for using said catalyst (C-1591)
EXXON RESEARCH ENGINEERING CO18 citations74
US4224182ASep 23, 1980
Novel hindered alkyl aluminum amide cocatalysts
EXXON RESEARCH ENGINEERING CO13 citations74
US4267157AMay 12, 1981
Process of preparing metal phosphorus trisulfides
EXXON RESEARCH ENGINEERING CO7 citations73
US4812227AMar 14, 1989
Hydrotreating with catalysts comprising mixtures of an amorphous sulfide or trivalent chromium and microcrystallites of molybdenum sulfide or tungsten sulfide
EXXON RESEARCH ENGINEERING CO2 citations63