John F. Stephen

Person

New City, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Pyromellitic dimiides of 3,5-dialkyl-4-hydroxyphenylsubstituted amines
- Patent number 4,116,930
- Issue date Sep 26, 1978
- Ciba-Geigy Corporation
- Martin Dexter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Esters of 3-hydroxyindone compounds as herbicides and miticides
- Patent number 4,104,043
- Issue date Aug 1, 1978
- Union Carbide Corporation
- John A. Durden
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrrolidine dicarboxylic acids and esters and stabilized compositions
- Patent number 4,093,586
- Issue date Jun 6, 1978
- Ciba-Geigy Corporation
- John F. Stephen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Esters of 3-hydroxyindone compounds
- Patent number 4,091,006
- Issue date May 23, 1978
- Union Carbide Corporation
- John A. Durden
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Metal salts of N,N-disubstituted .beta.-alanines and stabilized com...
- Patent number 4,077,941
- Issue date Mar 7, 1978
- Ciba-Geigy Corporation
- John F. Stephen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hindered phenolic norbornane-2,3-dicarboximides and stabilized comp...
- Patent number 4,045,404
- Issue date Aug 30, 1977
- Ciba-Geigy Corporation
- John F. Stephen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hindered phenol derivatives of 9-thiabicyclononanes and stabilized...
- Patent number 4,000,112
- Issue date Dec 28, 1976
- Ciba-Geigy Corporation
- John F. Stephen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Acylated derivatives of 2,6-dihydroxy-9-azabicyclo[3.3.1]nonane and...
- Patent number 4,000,113
- Issue date Dec 28, 1976
- Ciba-Geigy Corporation
- John F. Stephen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hindered phenolic derivatives of norbornane thioalcohols
- Patent number 3,956,361
- Issue date May 11, 1976
- Ciba-Geigy Corporation
- John F. Stephen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Containing hindered phenolic norbornane-2,3-dicarboximides stabiliz...
- Patent number 3,941,746
- Issue date Mar 2, 1976
- Ciba-Geigy Corporation
- John F. Stephen
- C07 - ORGANIC CHEMISTRY

John F. Stephen

Person

Patents Grantslast 30 patents

Pyromellitic dimiides of 3,5-dialkyl-4-hydroxyphenylsubstituted amines

Esters of 3-hydroxyindone compounds as herbicides and miticides

Pyrrolidine dicarboxylic acids and esters and stabilized compositions

Esters of 3-hydroxyindone compounds

Metal salts of N,N-disubstituted .beta.-alanines and stabilized com...

Hindered phenolic norbornane-2,3-dicarboximides and stabilized comp...

Hindered phenol derivatives of 9-thiabicyclononanes and stabilized...

Acylated derivatives of 2,6-dihydroxy-9-azabicyclo[3.3.1]nonane and...

Hindered phenolic derivatives of norbornane thioalcohols

Containing hindered phenolic norbornane-2,3-dicarboximides stabiliz...