Harold I. Machonkin

Person

Webster, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Photographic developing composition containing a sludge inhibiting...
- Patent number 5,683,859
- Issue date Nov 4, 1997
- Eastman Kodak Company
- Ronald Joseph Nothnagle
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Nucleated high contrast photographic elements containing thioether...
- Patent number 5,232,818
- Issue date Aug 3, 1993
- Eastman Kodak Company
- Harold I. Machonkin
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Nucleated high contrast photographic elements containing ballasted...
- Patent number 5,196,292
- Issue date Mar 23, 1993
- Eastman Kodak Company
- Harold I. Machonkin
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
High contrast photographic elements containing ballasted hydrophobi...
- Patent number 5,126,227
- Issue date Jun 30, 1992
- Eastman Kodak Company
- Harold I. Machonkin
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
High contrast photographic element including an aryl sulfonamidophe...
- Patent number 5,041,355
- Issue date Aug 20, 1991
- Eastman Kodak Company
- Harold I. Machonkin
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
High contrast photographic element including an aryl sulfonamidophe...
- Patent number 4,988,604
- Issue date Jan 29, 1991
- Eastman Kodak Company
- Harold I. Machonkin
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic element comprising an ethyleneoxy-substituted amino co...
- Patent number 4,975,354
- Issue date Dec 4, 1990
- Eastman Kodak Company
- Harold I. Machonkin
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
High contrast photographic recording material and emulsion and proc...
- Patent number 4,912,016
- Issue date Mar 27, 1990
- Eastman Kodak Company
- Harold I. Machonkin
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic material containing a novel polymeric dye-forming coupler
- Patent number 4,804,620
- Issue date Feb 14, 1989
- Eastman Kodak Company
- Ping-Wah Tang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Harold I. Machonkin

Person

Patents Grantslast 30 patents

Photographic developing composition containing a sludge inhibiting...

Nucleated high contrast photographic elements containing thioether...

Nucleated high contrast photographic elements containing ballasted...

High contrast photographic elements containing ballasted hydrophobi...

High contrast photographic element including an aryl sulfonamidophe...

High contrast photographic element including an aryl sulfonamidophe...

Photographic element comprising an ethyleneoxy-substituted amino co...

High contrast photographic recording material and emulsion and proc...

Photographic material containing a novel polymeric dye-forming coupler