Inventor
ANGSTADT HOWARD P
27 patents
⚠️ This page may combine multiple inventors who share the name “ANGSTADT HOWARD P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUN VENTURES INC
9 patentsUS4070393AJan 24, 1978
Ammoxidation process
SUN VENTURES INC20 citations78
US3959336AMay 25, 1976
Ammoxidation process
SUN VENTURES INC10 citations72
US4104312AAug 1, 1978
Oxidation of olefins with organometallic complex catalysts
SUN VENTURES INC11 citations69
US4182909AJan 8, 1980
Polymeric catalyst composition for hydrocarbon oxidation
SUN VENTURES INC7 citations66
US4104311AAug 1, 1978
Organometallic complexes as oxidation catalysts
SUN VENTURES INC2 citations63
US4104310AAug 1, 1978
Organometallic complexes as alkylaromatic oxidation catalysts
SUN VENTURES INC3 citations63
US4018713AApr 19, 1977
Ammoxidation catalyst
SUN VENTURES INC2 citations61
US3959337AMay 25, 1976
Ammoxidation process
SUN VENTURES INC6 citations61
US4089907AMay 16, 1978
Organometallic complexes as oxidation catalyst
SUN VENTURES INC0 citations42
SUNTECH
7 patentsUS4044042AAug 23, 1977
Ammoxidation process
SUNTECH9 citations74
US4034047AJul 5, 1977
Process for catalytic oxidation of olefins to form hydroperoxides
SUNTECH7 citations74
US4247478AJan 27, 1981
Process and catalyst for hydrogenation of aromatic dinitriles
SUNTECH3 citations63
US4222961ASep 16, 1980
Process for hydrogenating aromatic dinitriles
SUNTECH6 citations60
US4181680AJan 1, 1980
Hydrogenation of aromatic amines
SUNTECH5 citations60
US4320032AMar 16, 1982
Catalyst for hydrogenation of aromatic dinitriles
SUNTECH1 citations52
US4110250AAug 29, 1978
Ammoxidation process and catalyst
SUNTECH1 citations52
SUN CO INC R & M
5 patentsUS5214017AMay 25, 1993
Solid-acid alkylation catalyst compositions for alkylation processes
SUN CO INC R & M43 citations96
US5491278AFeb 13, 1996
Alkylation process using solid superacid catalyst liquid phase
SUN CO INC R & M25 citations92
US5321197AJun 14, 1994
Processes using solid-acid catalyst composition
SUN CO INC R & M37 citations92
US5212136AMay 18, 1993
Solid-acid alkylation catalyst compositions for alkylation processes
SUN CO INC R & M28 citations92
US5493067AFeb 20, 1996
Solid superacid alkylation catalyst compositions and alkylation method using the same
SUN CO INC R & M18 citations82
SUN REFINING & MARKETING
4 patentsUS4682653AJul 28, 1987
Steam recovery processes employing stable forms of alkylaromatic sulfonates
SUN REFINING & MARKETING20 citations82
US4743385AMay 10, 1988
Oil recovery agent
SUN REFINING & MARKETING23 citations79
US4769161ASep 6, 1988
Silicate-containing oil recovery compositions
SUN REFINING & MARKETING17 citations74
US4699214AOct 13, 1987
Salt-tolerant alkyl aryl sulfonate compositions for use in enhanced oil recovery processes
SUN REFINING & MARKETING14 citations74