DH

Dennis Hearn

CL Chemical Research & Licensing: 25 patents #2 of 34Top 6%
CT Catalytic Distillation Technologies: 12 patents #13 of 84Top 20%
📍 Houston, TX: #313 of 21,073 inventorsTop 2%
🗺 Texas: #2,471 of 125,132 inventorsTop 2%
Overall (All Time): #80,265 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDate
6495732 Olefin isomerization process Robert P. Arganbright, Edward M. Jones, Jr., Lawrence A. Smith, Jr., Gary R. Gildert 2002-12-17
6440299 Process for removal of mercaptans from hydrocarbon streams Gary R. Gildert, Hugh M. Putman 2002-08-27
6169218 Selective hydrogenation of highly unsaturated compounds in hydrocarbon streams Robert P. Arganbright, Edward M. Jones, Jr., Lawrence A. Smith, Jr., Gary R. Gildert 2001-01-02
6002058 Process for the alkylation of benzene Robert P. Arganbright, Lawrence A. Smith, Jr., John R. Adams 1999-12-14
5961815 Hydroconversion process Thomas P. Hickey, Hugh M. Putman 1999-10-05
5894076 Process for alkylation of benzene Robert P. Arganbright, Lawrence A. Smith, Jr., John R. Adams 1999-04-13
5877363 Process for concurrent selective hydrogenation of acetylenes and 1,2 butadine in hydrocarbon streams Gary R. Gildert, Hugh M. Putman 1999-03-02
5856602 Selective hydrogenation of aromatics contained in hydrocarbon streams Gary R. Gildert, Hugh M. Putman 1999-01-05
5807477 Process for the treatment of light naphtha hydrocarbon streams Gary R. Gildert 1998-09-15
5792891 Integrated process for the production of tame John R. Adams, Lawrence A. Smith, Jr., Edward M. Jones, Jr., Robert P. Arganbright 1998-08-11
5779883 Hydrodesulfurization process utilizing a distillation column realtor Hugh M. Putman 1998-07-14
5773670 Hydrogenation of unsaturated cyclic compounds Gary R. Gildert, Hugh M. Putman 1998-06-30
5763714 Process and apparatus for the production and recovery of p-xylene Thomas P. Hickey, Hugh M. Putman 1998-06-09
5741930 Reduction of nitrite contaminants by selective hydrogenation Kyte H. Terhune 1998-04-21
5684213 Method for the preparation of dialkyl ethers Speros P. Nemphos 1997-11-04
5679862 Amination process Speros P. Nemphos 1997-10-21
5628880 Etherification--hydrogenation process Gary R. Gildert, Willibrord A. Groten 1997-05-13
5629451 Reduction of nitrile contaminants by selective hydrogenation Kyte H. Terhune 1997-05-13
5599997 Process for the production of cyclohexyl amine Speros P. Nemphos 1997-02-04
5597476 Gasoline desulfurization process Thomas P. Hickey 1997-01-28
5595634 Process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams Gary R. Gildert, Hugh M. Putman 1997-01-21
5523062 Catalytic distillation distribution structure Gary R. Gildert, Edward M. Jones, Jr. 1996-06-04
5510568 Process for the removal of mercaptans and hydrogen sulfide from hydrocarbon streams 1996-04-23
5476978 Process for the preparation of ethyl benzene Lawrence A. Smith, Jr., Robert P. Arganbright 1995-12-19
5446231 Method for removing contaminants from hydrocarbon streams Robert P. Arganbright, Edward M. Jones, Jr. 1995-08-29