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Dennis S. Donald
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Wilmington, DE, US
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Patents Grants
last 30 patents
Information
Patent Grant
Inks with enhanced substrate binding characteristics
Patent number
6,306,994
Issue date
Oct 23, 2001
E. I. Du Pont de Nemours and Company
Dennis Scott Donald
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Olefin polymerization process
Patent number
6,103,920
Issue date
Aug 15, 2000
E. I. Du Pont de Nemours and Company
Lynda Kaye Johnson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Olefin polymerization process
Patent number
5,714,556
Issue date
Feb 3, 1998
E. I. DuPont de Nemours and Company
Lynda Kaye Johnson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for rapid access development of silver halide films using p...
Patent number
5,384,232
Issue date
Jan 24, 1995
E. I. Du Pont de Nemours and Company
Julie C. Bishop
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Nonlinear optical materials
Patent number
5,312,565
Issue date
May 17, 1994
E. I. DuPont de Nemours and Company
Richard Beckerbauer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic optical elements and nonlinear optical devices
Patent number
5,145,610
Issue date
Sep 8, 1992
E. I. Du Pont de Nemours and Company
Dennis S. Donald
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Tanning development in low silver photoimaging using polymeric coup...
Patent number
4,576,894
Issue date
Mar 18, 1986
E. I. Du Pont de Nemours and Company
Dennis S. Donald
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Phenylmercaptotetrazolo- and nitroindazolo masked development/image...
Patent number
4,501,896
Issue date
Feb 26, 1985
E. I. Du Pont de Nemours and Company
Dennis S. Donald
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Masked development/image modifier compounds of silver photographic...
Patent number
4,343,893
Issue date
Aug 10, 1982
E. I. Du Pont de Nemours and Company
Dennis S. Donald
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bis(substituted amino)sulfides as reversible inhibitor sources for...
Patent number
4,168,981
Issue date
Sep 25, 1979
E. I. Du Pont de Nemours and Company
Dennis S. Donald
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aminodicyanopyrazines for controlling plant disease
Patent number
4,054,655
Issue date
Oct 18, 1977
E. I. Du Pont de Nemours and Company
Dennis Scott Donald
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Diimidazopyrazines and tetracarboxamidopyrazines
Patent number
3,959,277
Issue date
May 25, 1976
E. I. Du Pont de Nemours and Company
Dennis Scott Donald
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Synthesis of 3,5-diaminopyrazinoic acid from 3,5-diamino-2,6-dicyan...
Patent number
3,948,895
Issue date
Apr 6, 1976
E. I. Du Pont de Nemours and Company
Dennis S. Donald
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...