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David C. England
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Wilmington, DE, US
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last 30 patents
Information
Patent Grant
Fluorinated 3-ketoglutaroyl halides
Patent number
4,608,206
Issue date
Aug 26, 1986
E. I. Du Pont de Nemours and Company
David C. England
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cyclic monomers derived from trifluoropyruvate esters, amended to p...
Patent number
4,594,399
Issue date
Jun 10, 1986
E. I. Du Pont de Nemours and Company
Burton C. Anderson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymers of dioxolanes
Patent number
4,565,855
Issue date
Jan 21, 1986
E. I. Du Pont de Nemours and Company
Burton C. Anderson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cyclic monomers derived from trifluoropyruvate esters
Patent number
4,496,750
Issue date
Jan 29, 1985
E. I. Du Pont de Nemours and Company
Burton C. Anderson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fluorinated ion exchange polymer containing carboxylic groups, and...
Patent number
4,487,668
Issue date
Dec 11, 1984
E. I. Du Pont de Nemours and Company
David C. England
B32 - LAYERED PRODUCTS
Information
Patent Grant
Cyclic monomers derived from trifluoropyruvate esters
Patent number
4,429,143
Issue date
Jan 31, 1984
E. I. Du Pont de Nemours & Co.
Burton C. Anderson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of fluorocarbonyl compounds
Patent number
4,357,282
Issue date
Nov 2, 1982
E. I. Du Pont de Nemours and Company
Daniel G. Anderson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of difluoromalonyl fluoride
Patent number
4,316,986
Issue date
Feb 23, 1982
E. I. DuPont de Nemours and Company
David C. England
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fluorinated 3-ketoglutaroyl halides and polymers therefrom
Patent number
4,299,949
Issue date
Nov 10, 1981
E. I. Du Pont de Nemours and Company
David C. England
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Alkyl perfluoro-.omega.-fluoroformyl esters and their preparation
Patent number
4,247,713
Issue date
Jan 27, 1981
E. I. Du Pont de Nemours and Company
David C. England
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Perfluoroallyl fluorosulfate and its sultone and polymers
Patent number
4,206,138
Issue date
Jun 3, 1980
E. I. Du Pont de Nemours and Company
David C. England
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for ammoxidation of 1-propanol
Patent number
4,138,430
Issue date
Feb 6, 1979
E. I. Du Pont de Nemours and Company
Alvin B. Stiles
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Alkyl perfluoro-.omega.-fluoroformyl esters and monomers therefrom
Patent number
4,138,426
Issue date
Feb 6, 1979
E. I. Du Pont de Nemours and Company
David C. England
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for oxidation of 1-propanol
Patent number
4,137,271
Issue date
Jan 30, 1979
E. I. Du Pont de Nemours and Company
Alvin B. Stiles
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Alkyl perfluoro-.omega.-fluoroformyl esters and their preparation
Patent number
4,131,740
Issue date
Dec 26, 1978
E. I. Du Pont de Nemours and Company
David C. England
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of carbacyl halosulfates
Patent number
4,001,319
Issue date
Jan 4, 1977
E. I. Du Pont de Nemours and Company
David C. England
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Synthesis of perfluoropyruvyl fluoride dimer
Patent number
3,962,279
Issue date
Jun 8, 1976
E. I. Du Pont de Nemours and Company
David Charles England
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Contact lens having a hard center and soft, tough periphery
Patent number
3,944,347
Issue date
Mar 16, 1976
E. I. Du Pont de Nemours & Co.
Archie E. Barkdoll
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL