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Robert D. Fields
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Rochester, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Toner composition
Patent number
7,914,963
Issue date
Mar 29, 2011
Eastman Kodak Company
Robert D. Fields
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic toner and development process with improved cha...
Patent number
7,314,696
Issue date
Jan 1, 2008
Eastman Kodak Company
Robert D. Fields
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic toner containing polyalkylene wax or high cryst...
Patent number
7,087,355
Issue date
Aug 8, 2006
Eastman Kodak Company
Robert D. Fields
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic toner with uniformly dispersed wax
Patent number
7,056,637
Issue date
Jun 6, 2006
Eastman Kodak Company
Robert D. Fields
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development systems for magnetic toners and toners having reduced m...
Patent number
7,033,720
Issue date
Apr 25, 2006
Eastman Kodak Company
Thomas A. Jadwin
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Electrophotographic toner and development process with improved ima...
Patent number
6,797,448
Issue date
Sep 28, 2004
Eastman Kodak Company
Robert D. Fields
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development systems for magnetic toners and toners having reduced m...
Patent number
6,766,136
Issue date
Jul 20, 2004
Eastman Kodak Company
Thomas A. Jadwin
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Electrophotographic toner with stable triboelectric properties
Patent number
6,692,880
Issue date
Feb 17, 2004
Heidelberger Druckmaschinen AG
Robert D. Fields
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development systems for magnetic toners having reduced magnetic loa...
Patent number
6,610,451
Issue date
Aug 26, 2003
Heidelberger Druckmaschinen AG
Thomas A. Jadwin
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Electrographic methods using hard magnetic carrier particles
Patent number
6,589,703
Issue date
Jul 8, 2003
Heidelberger Druckmaschinen AG
Eric C. Stelter
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of making an electrophotographic toner surface treated with...
Patent number
6,200,722
Issue date
Mar 13, 2001
Robert D. Fields
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic toner surface treated with metal oxide
Patent number
6,197,466
Issue date
Mar 6, 2001
Robert D. Fields
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)acetamides negative...
Patent number
6,184,387
Issue date
Feb 6, 2001
Eastman Kodak Company
John C. Wilson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
N-[2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)-2-cyanoacetyl]b...
Patent number
6,165,668
Issue date
Dec 26, 2000
Eastman Kodak Company
John C. Wilson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)acetamides negative...
Patent number
6,120,964
Issue date
Sep 19, 2000
Eastman Kodak Company
John C. Wilson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatographic toners and developers comprising poly[(2-cyanoa...
Patent number
5,976,753
Issue date
Nov 2, 1999
Eastman Kodak Company
John C. Wilson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
(2-(sulfonamidomethylene)-2-cyanoacetamido)phenyl acrylate polymers
Patent number
5,922,822
Issue date
Jul 13, 1999
Eastman Kodak Company
John C. Wilson
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)-2- cyanoacetamides...
Patent number
5,922,499
Issue date
Jul 13, 1999
Eastman Kodak Company
John C. Wilson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Poly�N-vinylbenzoyl)sulfonamides! charge-control agents for electro...
Patent number
5,874,194
Issue date
Feb 23, 1999
Eastman Kodak Company
John C. Wilson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
(1,2-benzisothiazol-3-(2H)-ylidene 1,1-dioxide) acetate-terminated...
Patent number
5,849,450
Issue date
Dec 15, 1998
Eastman Kodak Company
John C. Wilson
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide) cyanomethylene charg...
Patent number
5,821,024
Issue date
Oct 13, 1998
Eastman Kodak Company
John C. Wilson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
N-(1,2-benzisothiazol-3(2H)-ylideneacetyl 1,1-dioxide)amides for el...
Patent number
5,821,025
Issue date
Oct 13, 1998
Eastman Kodak Company
John C. Wilson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Poly�N-(acyl)-4-vinylbenzenesulfonamides! charge-control agents for...
Patent number
5,804,348
Issue date
Sep 8, 1998
Eastman Kodak Company
John C. Wilson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
N-(1,2-benzisothiazol-3(2h)-ylideneacetyl 1,1-dioxide)-benzenesulfo...
Patent number
5,766,815
Issue date
Jun 16, 1998
Eastman Kodak Company
John C. Wilson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Bis�(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)acetates! charge-...
Patent number
5,750,715
Issue date
May 12, 1998
Eastman Kodak Company
John C. Wilson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Poly�(2-(sulfonamidomethylene)-2-cyanoacetamido)phenyl acrylate! ch...
Patent number
5,750,305
Issue date
May 12, 1998
Eastman Kodak Company
John C. Wilson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatographic toners and developers containing (1,2-benzisoth...
Patent number
5,744,277
Issue date
Apr 28, 1998
Eastman Kodak Company
John C. Wilson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
(2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)-2-cyanoacetamido)...
Patent number
5,739,235
Issue date
Apr 14, 1998
Eastman Kodak Company
John C. Wilson
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide) cyanoacetate charge-...
Patent number
5,723,249
Issue date
Mar 3, 1998
Eastman Kodak Company
John C. Wilson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatographic toners and developers containing bis �1,2-benzi...
Patent number
5,723,248
Issue date
Mar 3, 1998
Eastman Kodak Company
John C. Wilson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
TONER COMPOSITION
Publication number
20090155704
Publication date
Jun 18, 2009
Robert D. Fields
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic toner containing polyalkylene wax or high cryst...
Publication number
20060147830
Publication date
Jul 6, 2006
Eastman Kodak Company
Robert D. Fields
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic toner containing polyalkylene wax or high cryst...
Publication number
20050164111
Publication date
Jul 28, 2005
Robert D. Fields
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Development systems for magnetic toners and toners having reduced m...
Publication number
20040219447
Publication date
Nov 4, 2004
Thomas A. Jadwin
B82 - NANO-TECHNOLOGY
Information
Patent Application
Electrophotographic toner with uniformly dispersed wax
Publication number
20030232267
Publication date
Dec 18, 2003
Robert D. Fields
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Development systems for magnetic toners and toners having reduced m...
Publication number
20030190541
Publication date
Oct 9, 2003
Thomas A. Jadwin
B82 - NANO-TECHNOLOGY
Information
Patent Application
Electrophotographic toner with stable triboelectric properties
Publication number
20030073017
Publication date
Apr 17, 2003
Robert D. Fields
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic toners containing polyalkylene wax or high crys...
Publication number
20030049552
Publication date
Mar 13, 2003
Robert D. Fields
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic toner and development process with improved cha...
Publication number
20030027068
Publication date
Feb 6, 2003
Robert D. Fields
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic toner and development process with improved ima...
Publication number
20030013032
Publication date
Jan 16, 2003
Robert D. Fields
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Development systems for magnetic toners and toners having reduced m...
Publication number
20020115006
Publication date
Aug 22, 2002
Thomas A. Jadwin
B82 - NANO-TECHNOLOGY
Information
Patent Application
Electrographic methods using hard magnetic carrier particles
Publication number
20010055723
Publication date
Dec 27, 2001
Eric C. Stelter
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrographic developer compositions and methods
Publication number
20010046635
Publication date
Nov 29, 2001
Satyanarayan A. Srinivasan
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY