Inventor

SELLSTEDT JOHN H

43 patents

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SELLSTEDT JOHN H

AMERICAN HOME PROD

Oxamic acid derivatives for the prevention of immediate type hypersensitivity reactions

Antisecretory oxamic acid esters

Oxamic acid derivatives for the prevention of immediate type hypersensitivity reactions

2 Alkoxyoxamoyl-pyrazines

Morpholine containing tetrazole-5-carboxamide derivatives

Process for preparing tetrazole-5-carboxamide derivatives

Tetrazole-5-carboxamide derivatives

Method of treatment using tetrazole-5-carboxamide derivatives

2-Cyano-3-or 4-(substituted amino)oxanilic acid derivatives

(4-oxo-4h-1-benzopyran-2-yl)-oxamic acid, salts and esters anti-allergic agents

Oxamic acid derivatives

Oxamic acid derivatives

N-(Pyridyl)-1H-(or 2H) tetrazole-5-carboxamide derivatives for the prevention of immediate type hypersensitivity reactions

Compositions and methods of treating immediate hypersensitivity reactions with thiazolyl oxamic acid derivatives

1H-tetrazole-5-carboxamides

Process for preparing 1-H-tetrazole-5-thiols

Process for preparing 1-H-tetrazole-5-thiols and intermediate compounds

N-Benzyl and N-substituted benzyl tetrazole-5-carboxylic acids and the preparation thereof

2,6-Pyridinediyl-bis-tetrazol-5-carboxamides

Intermediates for preparing semi-synthetic cephalosporins and processes relating thereto

Oxamic acid derivatives

N-(2-thiazolyl)-tetrazole-5-carboxamide derivatives for the prevention of immediate type hypersensitivity reactions

N-(2-pyrazinyl) 1H- (or 2H) tetrazole-5-carboxamide derivatives for the prevention of immediate type hypersensitivity reactions

2,3-dialkoxy-3h-1,4-benzodiazepines

N-(2-pyrimidinyl)1h-(or 2h)tetrazole-5-carboxamide derivatives for the prevention of immediate type hypersensitivity reactions

N-(pyridyl) oxamic acid derivatives

Arylene-bis-tetrazole-5-carboxamides

2-Cyano-3- or 4-(substituted amino)oxanilic acid derivatives

Process for preparation of 6-aminopenicillanic acid derivatives

Pyrimidinyl oxamic acids and esters, and compositions and methods for the suppression of allergic manifestations

Pyridyl oxamic acid derivatives and use in the prevention of allergic reactions

Intermediates for producing semi-synthetic cephalosporins

Intermediate for producing semi-synthetic penicillins and cephalosporins

Intermediates for preparing semi-synthetic penicillins and processes relating thereto

Intermediates for producing semi-synthetic cephalosporins

Antisecretory oxamic acid esters

Orally active cephalosporins

7-[2-(Dithiocarboxylamino)alkanamido]-cephalosporanic acid derivatives

Intermediates for producing semi-synthetic penicillins and cephalosporins and methods of production

Intermediates for producing semi-synthetic penicillins and cephalosporins and methods of production

WYETH CORP

Process for the synthesis of derivatives of 2,3-dihydro-1,4-dioxino- [2,3-f] quinoline

Process for the synthesis of derivatives of 2, 3-dihydro-1, 4-dioxino- [2, 3-f] quinoline

Process for the synthesis of derivatives of halo-[2,3-F] quinoline