P

Inventor

WATSON JAMES M

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

COSDEN TECHNOLOGY

44 patents
US4105506AAug 8, 1978

Polymerization inhibitor for vinyl aromatic compounds

COSDEN TECHNOLOGY60 citations96
US4468343AAug 28, 1984

Polymerization co-inhibitors for vinyl aromatic compounds

COSDEN TECHNOLOGY63 citations94
US4466905AAug 21, 1984

Polymerization inhibition process for vinyl aromatic compounds

COSDEN TECHNOLOGY61 citations94
US4469558ASep 4, 1984

Apparatus for distilling vinylaromatic compounds

COSDEN TECHNOLOGY27 citations93
US4252615AFeb 24, 1981

Polymerization inhibitor for vinyl aromatic compounds

COSDEN TECHNOLOGY34 citations93
US4182658AJan 8, 1980

Emergency polymerization inhibitor system for vinyl aromatic compounds

COSDEN TECHNOLOGY36 citations93
US4086147AApr 25, 1978

Polymerization inhibitor for vinyl aromatic compounds

COSDEN TECHNOLOGY36 citations93
US3988212AOct 26, 1976

Polymerization inhibitor for vinyl aromatic compounds

COSDEN TECHNOLOGY44 citations93
US4466904AAug 21, 1984

Polymerization co-inhibitors for vinyl aromatic compounds

COSDEN TECHNOLOGY42 citations91
US4387260AJun 7, 1983

Alkylation of aromatic compounds with silicalite catalysts in the presence of steam

COSDEN TECHNOLOGY20 citations82
US4341600AJul 27, 1982

Polymerization inhibitor for vinyltoluene

COSDEN TECHNOLOGY24 citations82
US4177110ADec 4, 1979

Method for the distillation of vinyl aromatic compounds using polymerization inhibitors with low-volatility

COSDEN TECHNOLOGY30 citations82
US4132603AJan 2, 1979

Polymerization inhibitor for vinyl aromatic compounds

COSDEN TECHNOLOGY18 citations82
US4132602AJan 2, 1979

Polymerization inhibitor for vinyl aromatic compounds

COSDEN TECHNOLOGY18 citations82
US4061545ADec 6, 1977

Polymerization inhibitor for vinyl aromatic compounds

COSDEN TECHNOLOGY27 citations82
US4538017AAug 27, 1985

Conversion of paraffins to aromatics

COSDEN TECHNOLOGY14 citations74
US4440650AApr 3, 1984

Process for enhancing recovery of oil from oil-bearing earth formations

COSDEN TECHNOLOGY15 citations74
US4272344AJun 9, 1981

Polymerization inhibitor for vinyl aromatic compounds

COSDEN TECHNOLOGY19 citations74
US4191614AMar 4, 1980

Distillation apparatus

COSDEN TECHNOLOGY12 citations74
US4070419AJan 24, 1978

Polymerization of styrene

COSDEN TECHNOLOGY11 citations74
US3985822AOct 12, 1976

Process for the production of poly-n-butenes

COSDEN TECHNOLOGY15 citations74
US3964979AJun 22, 1976

NO polymerization inhibitor for vinyl aromatic compound distillation

COSDEN TECHNOLOGY16 citations74
US4520220AMay 28, 1985

Alkylation of aromatics employing silicalite catalysts

COSDEN TECHNOLOGY12 citations73
US4558169ADec 10, 1985

Process for the production of vinyltoluene

COSDEN TECHNOLOGY7 citations71
US4492675AJan 8, 1985

Apparatus for the production of vinyltoluene

COSDEN TECHNOLOGY11 citations71
US4490570ADec 25, 1984

Method for para selective alkylation employing silicalite catalysts

COSDEN TECHNOLOGY11 citations71
US4489214ADec 18, 1984

Production of ortho-suppressed dialkyl benzenes

COSDEN TECHNOLOGY9 citations71
US4306105ADec 15, 1981

Process for the production of polyisobutenes

COSDEN TECHNOLOGY15 citations71
US4379736AApr 12, 1983

Method and apparatus for inhibiting the formation of polymerized vinylaromatic compounds during distillative purification of vinylaromatic monomer

COSDEN TECHNOLOGY7 citations67
US4132601AJan 2, 1979

Polymerization inhibitor for vinyl aromatic compounds

COSDEN TECHNOLOGY4 citations63
US4040912AAug 9, 1977

Polymerization inhibitor for vinyl aromatic compounds

COSDEN TECHNOLOGY5 citations63
US3964978AJun 22, 1976

NO2 polymerization inhibitor for vinyl aromatic compound distillation

COSDEN TECHNOLOGY5 citations63
US3933599AJan 20, 1976

Nitrosyl chloride as a polymerization inhibitor for vinyl aromatic compounds

COSDEN TECHNOLOGY4 citations63
US4417085ANov 22, 1983

Process for the production of vinyltoluene

COSDEN TECHNOLOGY5 citations62
US4563517AJan 7, 1986

Polymer modification system for vinylaromatic monomer production apparatus

COSDEN TECHNOLOGY2 citations60
US4452975AJun 5, 1984

Polymer modification system for vinylaromatic monomer production apparatus

COSDEN TECHNOLOGY2 citations60
US4443643AApr 17, 1984

Reaction of benzene with ethylene oxide to produce styrene

COSDEN TECHNOLOGY2 citations56
US4421640ADec 20, 1983

Methods for separating hydrocarbons by liquid extraction

COSDEN TECHNOLOGY4 citations55
US4623430ANov 18, 1986

Polymerization inhibitor for vinyl aromatic compounds

COSDEN TECHNOLOGY0 citations52
US4396462AAug 2, 1983

Method for inhibiting the formation of polymerized vinylaromatic compounds during distillative purification of vinylaromatic monomer

COSDEN TECHNOLOGY1 citations52
US4089859AMay 16, 1978

Bisquinoxalines

COSDEN TECHNOLOGY0 citations52
US3993547ANov 23, 1976

Alpha, gamma-bis-diphenylene-beta-phenyl allyl as a polymerization inhibitor for vinyl aromatic compounds

COSDEN TECHNOLOGY1 citations52
US3986937AOct 19, 1976

Polymerization inhibitor for vinyl aromatic compounds

COSDEN TECHNOLOGY1 citations52
US4197198AApr 8, 1980

Treatment of nitrated phenol containing effluent streams

COSDEN TECHNOLOGY4 citations51

COLUMBIAN CHEM

3 patents

COSDEN OIL & CHEM CO

2 patents

CHEPREGI ALAN

1 patent