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Inventor

CALLAHAN JAMES L

US28 patents
⚠️ This page may combine multiple inventors who share the name “CALLAHAN JAMES L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

STANDARD OIL CO OHIO

19 patents
US4634502AJan 6, 1987

Process for the reductive deposition of polyoxometallates

STANDARD OIL CO OHIO81 citations96
US4528398AJul 9, 1985

Method for the preparation of unsaturated carboxylic acid with high activity phosphomolybdic acid based catalysts

STANDARD OIL CO OHIO19 citations82
US4444906AApr 24, 1984

Method for the preparation of high activity phosphomolybdic acid based catalysts

STANDARD OIL CO OHIO25 citations82
US4341717AJul 27, 1982

Reactor for contacting gases and a particulate solid

STANDARD OIL CO OHIO24 citations82
US4152393AMay 1, 1979

Reactor for contacting gases and a particulate solid

STANDARD OIL CO OHIO25 citations82
US3932551AJan 13, 1976

Process for the preparation of diolefins from olefins

STANDARD OIL CO OHIO31 citations82
US3933751AJan 20, 1976

Promoted catalysts for the oxidation of olefins

STANDARD OIL CO OHIO20 citations78
US4877898AOct 31, 1989

Process for one step esterification using an intermetallic palladium based catalyst system

STANDARD OIL CO OHIO6 citations74
US4470931ASep 11, 1984

Combination fixed-fluid bed reactor

STANDARD OIL CO OHIO15 citations74
US4453006AJun 5, 1984

Oxidation of propylene or isobutylene with attrition resistant catalysts

STANDARD OIL CO OHIO15 citations74
US4443555AApr 17, 1984

Method for the preparation of high activity phosphomolybdic acid based catalysts

STANDARD OIL CO OHIO16 citations74
US4323520AApr 6, 1982

Preparation of methacrylic derivatives from tertiary-butyl-containing compounds

STANDARD OIL CO OHIO7 citations74
US4171454AOct 16, 1979

Oxidation process utilizing amphora catalysts

STANDARD OIL CO OHIO14 citations74
US4705675ANov 10, 1987

Synthesis of molecular sieving metallosilicates using silica-transition metal oxide sols

STANDARD OIL CO OHIO13 citations73
US4427792AJan 24, 1984

Iron-phosphorus mixed oxide catalysts and process for their preparation

STANDARD OIL CO OHIO8 citations73
US4714695ADec 22, 1987

Method for the preparation of high activity palladium based catalysts

STANDARD OIL CO OHIO6 citations63
US4623635ANov 18, 1986

Method for the preparation of high activity palladium based catalysts

STANDARD OIL CO OHIO6 citations63
US4622424ANov 11, 1986

Preparation of acrylic acid and methacrylic acid in a combination fixed-fluid bed reactor

STANDARD OIL CO OHIO4 citations63
US4742035AMay 3, 1988

Mixed metal phosphorus oxide catalysts for the oxidative dehydrogenation of carboxylic acids

STANDARD OIL CO OHIO1 citations46

STANDARD OIL CO

8 patents

PEDERSEN S ERIK

1 patent