CD

Charles A. Drake

PP Phillips Petroleum: 220 patents #2 of 1,401Top 1%
LI Leach Industries: 4 patents #1 of 3Top 35%
Chevron: 3 patents #1,350 of 4,788Top 30%
CO Conocophillips: 1 patents #472 of 954Top 50%
📍 Nowata, OK: #1 of 19 inventorsTop 6%
🗺 Oklahoma: #7 of 12,736 inventorsTop 1%
Overall (All Time): #2,377 of 4,157,543Top 1%
233
Patents All Time

Issued Patents All Time

Showing 101–125 of 233 patents

Patent #TitleCo-InventorsDate
5873994 Process for aromatization of a cracked gasoline feedstock using a catalyst containing an acid leached zeolite and tin An-hsiang Wu 1999-02-23
5866744 Process for converting a c.sub.9 + hydrocarbon to a C.sub.6 to C.sub.8 aromatic using a steamed, acid-leached, impregnated zeolite An-hsiang Wu 1999-02-02
5866742 Transalkylation/hydrodealkylation of C.sub.9 + aromatic compounds with a zeolite An-hsiang Wu, Ralph J. Melton 1999-02-02
5866741 Transalkylation/hydrodealkylation of a C.sub.9 + aromatic compounds with a zeolite An-hsiang Wu 1999-02-02
5856609 Aromatic hydrodealkylation process with sulfur oxide containing catalyst An-hsiang Wu 1999-01-05
5856608 Hydrotreating catalyst composition and processes therefor and therewith An-hsiang Wu 1999-01-05
5827422 Process for the conversion of a gasoline to a C.sub.6 to C.sub.8 aromatic compound and an olefin An-hsiang Wu 1998-10-27
5817903 Hydrotreating catalyst composition and processes therefor and therewith An-hsiang Wu 1998-10-06
5811615 Hydrotreating catalyst composition and processes therefor and therewith An-hsiang Wu 1998-09-22
5807799 Catalyst composition and process therewith An-hsiang Wu 1998-09-15
5804059 Process of preparing a C.sub.6 to C.sub.8 hydrocarbon with a steamed, acid-leached, molybdenum containing mordenite catalyst An-hsiang Wu 1998-09-08
5800696 Method for inhibiting the rate of coke formation during the zeolite catalyzed aromatization of hydrocarbons An-hsiang Wu 1998-09-01
5789642 Hydrocarbon conversion catalyst composition and processes therefor and therewith An-hsiang Wu 1998-08-04
5776852 Zeolite catalyst composition comprising tungsten carbide and process therefor and therewith An-hsiang Wu 1998-07-07
5763721 Hydrodealkylation of C9+ aromatic compounds An-hsiang Wu 1998-06-09
5714660 Catalyst composition and processes therefor and therewith An-hsiang Wu, Ralph J. Melton 1998-02-03
5714659 Catalyst composition and processes therefor and therewith An-hsiang Wu 1998-02-03
5707921 Method of preparing isomerization catalyst composition An-hsiang Wu, Ralph J. Melton 1998-01-13
5707918 Hydrocarbon isomerization catalyst blend An-hsiang Wu, Ralph J. Melton 1998-01-13
5698757 Hydrodealkylation catalyst composition and process therewith An-hsiang Wu 1997-12-16
5668074 Preparation of catalysts for alkane/cycloalkane isomerization An-hsiang Wu 1997-09-16
5612274 Method of preparing transalkylation catalyst An-hsiang Wu 1997-03-18
5591689 Preparation of isomerization catalyst composition An-hsiang Wu, Ralph J. Melton 1997-01-07
5536802 Polymers of 3 ethyl-1-hexene Phil M. Stricklen 1996-07-16
5475068 Process to make homopolymers of 3-ethyl-1-hexene Phil M. Stricklen 1995-12-12