Inventor

ROMAN STEVEN A

51 patents

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ROMAN STEVEN A

SHELL OIL CO

Oxabicycloalkane herbicides

Enol lactone intermediate for the preparation of (1R,cis)-caronaldehydic acid

Ketoenamine pyrethroid intermediates

Oxyimino-substituted cyclopropanecarboxylate pesticides

3-Oxomethyl-2-(1-nitro-2-oxoethylidene)-tetrahydro-2H-1,3-thiazines

2-(halonitro(organooxycarbonyl)methyl)-5,6-dihydro-4h-1,3-thiazines

Intermediates for oxabicycloalkane herbicides

Oxyimino-substituted (1R, cis)-cyclopropanecarboxylate pesticides

2-(Nitromethylene)-1,3-diazacycloalkane insect control agents

2-(Nitromethylene)-1,3-diazepines

2-(Nitromethylene)-hexahydropyrimidines

2-(Nitromethylene)-1,3-diazacycloalkane insect control agents

Use of pyrroloquinazolinediamines as pesticides

Cyclopropanecarboxylate pesticides and their preparation

Oxyimino-substituted cyclopropanecarboxylate

Cyclopropanecarboxylate pesticides preparation

Cyclopropanecarboxylate pesticides

Hydrazono-substituted cyclopropanecarboxylate pesticides

Oxyimino-substituted cyclopropanecarboxylate pesticides

3-(Hydrocarbylthiomethyl)-2,2-dimethylcyclopropanecarboxylate pesticides

6,6-Dimethyl-3-thiabicyclo[3.1.0]hexan-2-one

Preparation of 2,2-dimethyl-3-((oxyimino)methyl)cyclopropanecarboxylic acids

Mixed anhydride of acetic acid and (1R,cis)-caronaldehydic acids

Esters of nitro(tetrahydro-2H-1,3-thiazin-2-ylidene)acetic acid

Use as insecticides of esters of nitro(tetrahydro-2H-1,3-thiazin-2-ylidene)acetic acids

Insecticidal sulfonium salts

S-Esters of nitro(tetrahydro-2H-1,3-thiazin-2-ylidene)ethanethioic acid

N-(nitro(tetrahydro-2h-1,3-thiazin-2-ylidene)acetyl)benzamides

N-(sulfur-substituted)-2H-1,3-thiazin-2-ylidene nitromethyl ketones and nitroacetic acid esters

Esters of nitro(tetrahydro-2h-1,3-thiazin-2-ylidene)acetic acids

Certain substituted, 7-oxabicyclo[2.2.1]heptan-2-ols and -2-ones as intermediates

Oxyimino-substituted (1R,cis)cyclopropanecarboxylate pesticides

Oxyimino-substituted (1R,cis)-cyclopropanecarboxylate pesticides

Oxyimino-substituted (1R,trans)-cyclopropanecarboxylate pesticides

N-(Arylsulfonyl)-2-nitro-2-(1-methyl-2-(1,3-diazacycloalkylidene)acetamides

Preparation of (1R,cis)-oxyimino-substituted cyclopropanecarboxylic acids

Preparation of (1R, cis)-oxyimino-substituted cyclo-propanecarboxylic acids

Ketoenamine pyrethroid intermediates

Insecticidal sulfonium salts

3-(Hydrocarbylthiomethyl)-2,2-dimethyl-cyclopropanecarboxylate pesticides and their preparation

Cyclopropylmethanol pesticide

Derivatives of 3-oxomethyl-2-(1-nitro-2-oxoethylidene)-tetrahydro-2H-1,3-thiazines as insecticides

Esters of derivatives of 2-imidazolidinylidenenitroacetic acid

Esters of nitro(tetrahydro-2H-1,3-thiazin-2-ylidene)acetic acids

Insecticidal oxime derivatives

Alpha-(halophenoxy)acetyl nitromethylene tetrahydrothiazines

3-Oxomethyl-2-(1-nitro-2-oxoethylidene)-tetrahydro-2H-1,3-thiazines

Insecticidal sulfonium salts

DU PONT

Oxabicycloalkane herbicides

TIMKEN CO

Vehicle wheel end assemblies and methods of assembly thereof