Inventor
PITCHAI RANGASAMY
US17 patents
⚠️ This page may combine multiple inventors who share the name “PITCHAI RANGASAMY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ARCO CHEM TECH
15 patentsUS5625084AApr 29, 1997
Vapor phase oxidation of propylene to propylene oxide
ARCO CHEM TECH57 citations96
US6194591B1Feb 27, 2001
Aqueous epoxidation process using modified titanium zeolite
ARCO CHEM TECH38 citations92
US6083870AJul 4, 2000
Alkaline earth metal compound-supported silver catalysts
ARCO CHEM TECH16 citations92
US5770746AJun 23, 1998
Epoxidation process using supported silver catalysts pretreated with organic chloride
ARCO CHEM TECH52 citations92
US5703254ADec 30, 1997
Propylene oxide process using mixed precious metal catalyst supported on alkaline earth metal carbonate
ARCO CHEM TECH50 citations92
US5686380ANov 11, 1997
Vapor phase oxidation of propylene to propylene oxide
ARCO CHEM TECH25 citations92
US5208385AMay 4, 1993
Preparation of tetrahydrofuran polymers having a narrow molecular weight distribution using an amorphous silica-alumina catalyst
ARCO CHEM TECH29 citations92
US5319114AJun 7, 1994
Olefin epoxidation using a carbon molecular sieve impregnated with a transition metal
ARCO CHEM TECH35 citations91
US5973171AOct 26, 1999
Propylene oxide production
ARCO CHEM TECH48 citations90
US5208194AMay 4, 1993
Recovery of group VIII transition metals from organic solutions using acidic ion-exchange resins
ARCO CHEM TECH37 citations87
US5233093AAug 3, 1993
Hydroformylation process and bimetallic catalyst therefor
ARCO CHEM TECH19 citations81
US5763630AJun 9, 1998
Propylene oxide process using alkaline earth metal compound-supported silver catalysts
ARCO CHEM TECH14 citations74
US5166370ANov 24, 1992
Preparation of tetrahydrofuran using a supported transition metal
ARCO CHEM TECH15 citations73
US5874652AFeb 23, 1999
Process for hydrogenating aqueous aldehyde mixtures
ARCO CHEM TECH7 citations71
US5276210AJan 4, 1994
Hydroformylation process and bimetallic catalyst therefor
ARCO CHEM TECH1 citations51