Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JK

Joseph A. Kocal

UOUop: 75 patents #17 of 1,854Top 1%
BCBoreskov Institute Of Catalysis: 5 patents #9 of 22Top 45%
BIBattelle Memorial Institute: 3 patents #597 of 2,462Top 25%
LALanzatech: 3 patents #14 of 73Top 20%
DCDalian Institute Of Chemical Physics, Cas: 1 patents #6 of 33Top 20%
Glenview, IL: #4 of 857 inventorsTop 1%
Illinois: #307 of 84,256 inventorsTop 1%
Overall (All Time): #23,606 of 4,157,543Top 1%
78 Patents All Time

Issued Patents All Time

Showing 51–75 of 78 patents

Patent #TitleCo-InventorsDate
5344997 Alkylation of aromatics using a fluorided silica-alumina catalyst 1994-09-06
5334793 Increasing catalyst life and improving product linearity in the alkylation of aromatics with linear olefins 1994-08-02
5310713 Regeneration of an alkylation catalyst with hydrogen Masami Kojima 1994-05-10
5276231 Alkylaromatic process with removal of aromatic by-products Donald J. Korous 1994-01-04
5258564 Process for producing aromatic compounds from C2-C6 aliphatic hydrocarbons using a hydrogen tolerant catalyst Tamotsu Imai, Paul J. Kuchar, Christopher D. Gosling 1993-11-02
5245094 Increasing catalyst life and improving product linearity in the alkylation of aromatics with linear olefins 1993-09-14
5212127 Process for reactivating a deactivated dehydrocyclodimerization catalyst Christopher D. Gosling, Paul J. Kuchar, Tamotsu Imai 1993-05-18
5196574 Detergent alkylation process using a fluorided silica-alumina 1993-03-23
5169812 Catalyst and process for producing aromatic compounds from C.sub.2 -C.sub.6 Tamotsu Imai, Paul J. Kuchar, Christopher D. Gosling 1992-12-08
5160032 Hydrocarbon conversion process using alumina clay compositions Jennifer S. Holmgren, Stanley A. Gembicki, Michael W. Schoonover 1992-11-03
5114895 Alumina clay compositions Jennifer S. Holmgren, Stanley A. Gembicki, Michael W. Schoonover 1992-05-19
5043511 Production of alkyl aromatic compounds Tamotsu Imai 1991-08-27
5034564 Production of alkyl aromatic compounds 1991-07-23
5003121 Production of alkyl aromatic compounds Tamotsu Imai 1991-03-26
4921946 Hydrocarbon conversion process David C. Martindale, Paul J. Kuchar 1990-05-01
4891466 HF alkylation process 1990-01-02
4835333 Motor fuel alkylation process utilizing a surfactant containing catalyst to reduce hydrofluoric acid requirements 1989-05-30
4795845 Regeneration of dehydrocyclodimerization catalyst David C. Martindale, Tai-Hsiang Chao 1989-01-03
4795728 Motor fuel alkylation process utilizing a surfactant containing catalyst to reduce hydrofluoric acid requirements 1989-01-03
4783566 Hydrocarbon conversion process David C. Martindale, Paul J. Kuchar 1988-11-08
4783567 HF alkylation process 1988-11-08
4746763 Process for producing aromatic compounds from C.sub.2 -C.sub.6 aliphatic hydrocarbons 1988-05-24
4724271 Regeneration of dehydrocyclodimerization catalyst David C. Martindale, Tai-Hsiang Chao 1988-02-09
4677245 Novel motor fuel alkylation process Tamotsu Imai 1987-06-30
4665271 Novel motor fuel alkylation catalyst and process for the use thereof Tamotsu Imai 1987-05-12