Inventor
HEARN DENNIS
US40 patents
⚠️ This page may combine multiple inventors who share the name “HEARN DENNIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEMICAL RES & LICENSIN
24 patentsUS5597476AJan 28, 1997
Gasoline desulfurization process
CHEMICAL RES & LICENSIN160 citations98
US5266546ANov 30, 1993
Catalytic distillation machine
CHEMICAL RES & LICENSIN121 citations98
US5595634AJan 21, 1997
Process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams
CHEMICAL RES & LICENSIN89 citations96
US5510568AApr 23, 1996
Process for the removal of mercaptans and hydrogen sulfide from hydrocarbon streams
CHEMICAL RES & LICENSIN64 citations96
US5476978ADec 19, 1995
Process for the preparation of ethyl benzene
CHEMICAL RES & LICENSIN85 citations96
US5431890AJul 11, 1995
Catalytic distillation structure
CHEMICAL RES & LICENSIN79 citations96
US5243115ASep 7, 1993
Alkylation of organic aromatic compounds
CHEMICAL RES & LICENSIN67 citations96
US5055627AOct 8, 1991
Process for the preparation of cumene
CHEMICAL RES & LICENSIN93 citations96
US5003124AMar 26, 1991
Oligomerization process
CHEMICAL RES & LICENSIN87 citations96
US4447668AMay 8, 1984
Process for producing high purity isoolefins and dimers thereof by dissociation of ethers
CHEMICAL RES & LICENSIN99 citations96
US5684213ANov 4, 1997
Method for the preparation of dialkyl ethers
CHEMICAL RES & LICENSIN70 citations92
US5628880AMay 13, 1997
Etherification--hydrogenation process
CHEMICAL RES & LICENSIN32 citations92
US5446231AAug 29, 1995
Method for removing contaminants from hydrocarbon streams
CHEMICAL RES & LICENSIN25 citations92
US5190730AMar 2, 1993
Reactor for exothermic reactions
CHEMICAL RES & LICENSIN24 citations92
US5176883AJan 5, 1993
Alkylation of organic aromatic compounds
CHEMICAL RES & LICENSIN32 citations92
US4950803AAug 21, 1990
Etherification process
CHEMICAL RES & LICENSIN41 citations92
US5599997AFeb 4, 1997
Process for the production of cyclohexyl amine
CHEMICAL RES & LICENSIN19 citations83
US4510336AApr 9, 1985
Transetherification method
CHEMICAL RES & LICENSIN21 citations82
US5321181AJun 14, 1994
Alkylation of organic aromatic compounds
CHEMICAL RES & LICENSIN15 citations74
US4918243AApr 17, 1990
Heat integration process
CHEMICAL RES & LICENSIN8 citations74
US5629451AMay 13, 1997
Reduction of nitrile contaminants by selective hydrogenation
CHEMICAL RES & LICENSIN10 citations69
US5177289AJan 5, 1993
Method for conducting exothermic reactions
CHEMICAL RES & LICENSIN8 citations68
US5679862AOct 21, 1997
Amination process
CHEMICAL RES & LICENSIN3 citations59
US5741930AApr 21, 1998
Reduction of nitrite contaminants by selective hydrogenation
CHEMICAL RES & LICENSIN2 citations58
CATALYTIC DISTILLATION TECH
12 patentsUS6169218B1Jan 2, 2001
Selective hydrogenation of highly unsaturated compounds in hydrocarbon streams
CATALYTIC DISTILLATION TECH137 citations98
US5877363AMar 2, 1999
Process for concurrent selective hydrogenation of acetylenes and 1,2 butadine in hydrocarbon streams
CATALYTIC DISTILLATION TECH107 citations98
US5961815AOct 5, 1999
Hydroconversion process
CATALYTIC DISTILLATION TECH60 citations96
US5779883AJul 14, 1998
Hydrodesulfurization process utilizing a distillation column realtor
CATALYTIC DISTILLATION TECH58 citations96
US5807477ASep 15, 1998
Process for the treatment of light naphtha hydrocarbon streams
CATALYTIC DISTILLATION TECH48 citations93
US6440299B2Aug 27, 2002
Process for removal of mercaptans from hydrocarbon streams
CATALYTIC DISTILLATION TECH29 citations92
US6002058ADec 14, 1999
Process for the alkylation of benzene
CATALYTIC DISTILLATION TECH19 citations92
US5894076AApr 13, 1999
Process for alkylation of benzene
CATALYTIC DISTILLATION TECH19 citations92
US5856602AJan 5, 1999
Selective hydrogenation of aromatics contained in hydrocarbon streams
CATALYTIC DISTILLATION TECH30 citations92
US6495732B1Dec 17, 2002
Olefin isomerization process
CATALYTIC DISTILLATION TECH18 citations84
US5763714AJun 9, 1998
Process and apparatus for the production and recovery of p-xylene
CATALYTIC DISTILLATION TECH18 citations84
US5792891AAug 11, 1998
Integrated process for the production of tame
CATALYTIC DISTILLATION TECH14 citations74