David A. Steele

Person

Webster, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Modified ionic liquids containing cyclic phosphorus moiety
- Patent number 10,781,225
- Issue date Sep 22, 2020
- NOHMS Technologies, Inc.
- Surya S. Moganty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for the preparation of 1-hydroxy-6-substituted pyridones
- Patent number 9,884,822
- Issue date Feb 6, 2018
- Arch Chemicals, Inc.
- Rahim Hani
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyan coupler dispersion with increased activity
- Patent number 6,680,165
- Issue date Jan 20, 2004
- Eastman Kodak Company
- Jerrold N. Poslusny
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Combinations of purine-releasing pyrazolone DIR couplers and pyrazo...
- Patent number 6,174,662
- Issue date Jan 16, 2001
- Eastman Kodak Company
- Paul B. Merkel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic element containing a DIR coupler
- Patent number 6,171,771
- Issue date Jan 9, 2001
- Eastman Kodak Company
- Paul B. Merkel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic element containing a DIR coupler
- Patent number 6,146,820
- Issue date Nov 14, 2000
- Eastman Kodak Company
- Paul B. Merkel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic element containing a benzolylacetanilide DIR coupler
- Patent number 6,130,031
- Issue date Oct 10, 2000
- Eastman Kodak Company
- Paul B. Merkel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic element containing an acylacetanilide DIR coupler
- Patent number 6,087,082
- Issue date Jul 11, 2000
- Eastman Kodak Company
- Paul B. Merkel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic element containing a yellow DIR coupler
- Patent number 6,004,737
- Issue date Dec 21, 1999
- Eastman Kodak Company
- Paul B. Merkel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic element containing improved acylacetamido yellow dye-f...
- Patent number 5,998,107
- Issue date Dec 7, 1999
- Eastman Kodak Company
- Paul B. Merkel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic element containing cylacetamido yellow dye-forming cou...
- Patent number 5,998,106
- Issue date Dec 7, 1999
- Eastman Kodak Company
- Paul B. Merkel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic element containing acetamido DIR coupler
- Patent number 5,994,038
- Issue date Nov 30, 1999
- Eastman Kodak Company
- Paul B. Merkel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Combinations of purine-releasing pyrazolone DIR couplers and pyrazo...
- Patent number 5,989,798
- Issue date Nov 23, 1999
- Eastman Kodak Company
- Paul B. Merkel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic element containing a DIR coupler
- Patent number 5,958,662
- Issue date Sep 28, 1999
- Eastman Kodak Company
- Paul B. Merkel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic coupler and element
- Patent number 5,939,244
- Issue date Aug 17, 1999
- Eastman Kodak Company
- David A. Steele
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,2,4-triazole-releasing pyrazolone DIR couplers
- Patent number 5,821,043
- Issue date Oct 13, 1998
- Eastman Kodak Company
- Paul B. Merkel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic elements comprising 2-phenylcarbamoyl-1-naphthol image...
- Patent number 5,521,057
- Issue date May 28, 1996
- Eastman Kodak Company
- Paul B. Merkel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic elements comprising 2-phenylcarbamoyl-1-naphthol image...
- Patent number 5,514,530
- Issue date May 7, 1996
- Eastman Kodak Company
- Paul B. Merkel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic elements comprising 2-phenylcarbamoyl-1-naphthol image...
- Patent number 5,506,094
- Issue date Apr 9, 1996
- Eastman Kodak Company
- Paul B. Merkel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic material and process employing a development inhibitor...
- Patent number 5,283,163
- Issue date Feb 1, 1994
- Eastman Kodak Company
- Gregory J. Lestina
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic material and process comprising a universal coupler
- Patent number 5,250,399
- Issue date Oct 5, 1993
- Eastman Kodak Company
- Richard P. Szajewski
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic recording material for accelerated development
- Patent number 4,912,025
- Issue date Mar 27, 1990
- Eastman Kodak Company
- Norma B. Platt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic recording material providing improved granularity prop...
- Patent number 4,859,578
- Issue date Aug 22, 1989
- Eastman Kodak Company
- Drake M. Michno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
MODIFIED IONIC LIQUIDS CONTAINING CYCLIC PHOSPHORUS MOIETY
- Publication number 20200299316
- Publication date Sep 24, 2020
- NOHMs Technologies, Inc.
- Surya S. Moganty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MODIFIED IONIC LIQUIDS CONTAINING BORON
- Publication number 20200203772
- Publication date Jun 25, 2020
- NOHMs Technologies, Inc.
- Surya Moganty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Process for the Preparation of 1-Hydroxy-6-Substituted Pyridones
- Publication number 20130211093
- Publication date Aug 15, 2013
- ARCH CHEMICALS, INC.
- Rahim Hani
- C07 - ORGANIC CHEMISTRY

David A. Steele

Person

Patents Grantslast 30 patents

Modified ionic liquids containing cyclic phosphorus moiety

Process for the preparation of 1-hydroxy-6-substituted pyridones

Cyan coupler dispersion with increased activity

Combinations of purine-releasing pyrazolone DIR couplers and pyrazo...

Photographic element containing a DIR coupler

Photographic element containing a DIR coupler

Photographic element containing a benzolylacetanilide DIR coupler

Photographic element containing an acylacetanilide DIR coupler

Photographic element containing a yellow DIR coupler

Photographic element containing improved acylacetamido yellow dye-f...

Photographic element containing cylacetamido yellow dye-forming cou...

Photographic element containing acetamido DIR coupler

Combinations of purine-releasing pyrazolone DIR couplers and pyrazo...

Photographic element containing a DIR coupler

Photographic coupler and element

1,2,4-triazole-releasing pyrazolone DIR couplers

Photographic elements comprising 2-phenylcarbamoyl-1-naphthol image...

Photographic elements comprising 2-phenylcarbamoyl-1-naphthol image...

Photographic elements comprising 2-phenylcarbamoyl-1-naphthol image...

Photographic material and process employing a development inhibitor...

Photographic material and process comprising a universal coupler

Photographic recording material for accelerated development

Photographic recording material providing improved granularity prop...

Patents Applicationslast 30 patents

MODIFIED IONIC LIQUIDS CONTAINING CYCLIC PHOSPHORUS MOIETY

MODIFIED IONIC LIQUIDS CONTAINING BORON

Process for the Preparation of 1-Hydroxy-6-Substituted Pyridones