Inventor
POWELL JAMES E
38 patents
⚠️ This page may combine multiple inventors who share the name “POWELL JAMES E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHELL OIL CO
31 patentsUS4542244ASep 17, 1985
Oxabicycloalkane herbicides
SHELL OIL CO28 citations92
US4052388AOct 4, 1977
3-acetyltetrahydro-2-(nitromethylene)-2h-1,3-thiazine
SHELL OIL CO19 citations82
US3993648ANov 23, 1976
Tetrahydro-2-(nitromethylene)-2H-1,3-thiazines
SHELL OIL CO25 citations82
US4606753AAug 19, 1986
4-substituted-2-oxabicyclo[2.2.1]heptane ether herbicides
SHELL OIL CO8 citations74
US4486219ADec 4, 1984
6-Oxabicyclo[3.2.1]octane derivatives and compositions and methods for controlling plant growth
SHELL OIL CO13 citations74
US4065560ADec 27, 1977
Tetrahydro-2-(nitromethylene)-2H-1,3-thiazine insect control agents
SHELL OIL CO10 citations74
US4031087AJun 21, 1977
3,4,7,8-Tetrahydro-9-nitro-7-substituted-2H,6H-pyrimido-(4,3-b)(1,3)thiazines
SHELL OIL CO11 citations74
US4022775AMay 10, 1977
3-Oxomethyl-2-(1-nitro-2-oxoethylidene)-tetrahydro-2H-1,3-thiazines
SHELL OIL CO9 citations74
US4006156AFeb 1, 1977
3-Alkyl-2-(nitromethylene) thiazolidine
SHELL OIL CO8 citations74
US3985735AOct 12, 1976
Pyrimido(4,3-b)(1,3)thiazin-6-ones
SHELL OIL CO8 citations74
US3962225AJun 8, 1976
Nitro(tetrahydro-2h-1,3-thiazin-2-ylidene)methyl aldehydes and ketones
SHELL OIL CO12 citations74
US3933809AJan 20, 1976
2-(Dihalonitromethyl)-5,6-dihydro-4H-1,3-thiazines
SHELL OIL CO10 citations74
US4567283AJan 28, 1986
Intermediates for oxabicycloalkane herbicides
SHELL OIL CO11 citations73
US4525203AJun 25, 1985
((3,4,5,6-Tetrahydro-2H-pyran-2-yl)methoxy)oxabicycloalkane herbicides
SHELL OIL CO13 citations73
US4588821AMay 13, 1986
2-oxabicyclo[2.2.1]heptan-6-ol ether herbicides
SHELL OIL CO6 citations63
US4242521ADec 30, 1980
Cyclopropanecarboxylate pesticides
SHELL OIL CO2 citations63
US4219563AAug 26, 1980
Cyclopropanecarboxylate pesticides
SHELL OIL CO2 citations63
US4061749ADec 6, 1977
5,6-Dihydro-4H-1,3-thiazine-2-carboxaldehyde oxime useful as insecticides
SHELL OIL CO4 citations63
US4034091AJul 5, 1977
N-(Arylsulfonyl)-2-nitro-2-(tetrahydro-2H-1,3-thiazin-2-ylidene)acetamides
SHELL OIL CO4 citations63
US4033955AJul 5, 1977
3,4-Dihydro-8-nitro-2H-pyrrolo(2,1-B)(1,3)thiazin-7(6H)-one
SHELL OIL CO4 citations63
US4015001AMar 29, 1977
Control of insects by nitro(tetrahydro-2H-1,3-thiazin-2-ylidene)methyl aldehydes and ketones
SHELL OIL CO6 citations63
US3985736AOct 12, 1976
N-(sulfur-substituted)-2H-1,3-thiazin-2-ylidene nitromethyl ketones and nitroacetic acid esters
SHELL OIL CO5 citations63
US4554366ANov 19, 1985
Certain substituted, 7-oxabicyclo[2.2.1]heptan-2-ols and -2-ones as intermediates
SHELL OIL CO3 citations62
US4388104AJun 14, 1983
3-Phenylmethoxytetrahydropyran herbicides
SHELL OIL CO4 citations62
US4410354AOct 18, 1983
Spiro ether herbicides
SHELL OIL CO6 citations61
US4237164ADec 2, 1980
Cyclopropanecarboxylate pesticides
SHELL OIL CO0 citations52
US4076813AFeb 28, 1978
Derivatives of 3-oxomethyl-2-(1-nitro-2-oxoethylidene)-tetrahydro-2H-1,3-thiazines as insecticides
SHELL OIL CO1 citations52
US4020061AApr 26, 1977
3-Oxomethyl-2-(1-nitro-2-oxoethylidene)-tetrahydro-2H-1,3-thiazines
SHELL OIL CO1 citations52
US3981871ASep 21, 1976
2-(5,6-Dihydro-4H-1,3-thiazin-2-yl)-2-nitroethenamine insect control agents
SHELL OIL CO1 citations52
US4349676ASep 14, 1982
Insecticidal synergist
SHELL OIL CO0 citations51
US4225612ASep 30, 1980
Heterocyclic-substituted cyclopropanecarboxylate pesticides
SHELL OIL CO0 citations42
DU PONT
5 patentsUS4670041AJun 2, 1987
Oxabicycloalkane herbicides
DU PONT44 citations92
US4828603AMay 9, 1989
Herbicidal oxatricyclo-nonane ethers
DU PONT11 citations71
US5125954AJun 30, 1992
Herbicidal oxabicycloalkane ethers
DU PONT3 citations63
US4853027AAug 1, 1989
Phytotoxic 2-alkyl-5-(heterocyclic)-pyrrole-3,4-dicarboxylates
DU PONT4 citations60
US4782169ANov 1, 1988
4,7-dioxatricyclo(3.2.1.03,6)octane ether
DU PONT2 citations56