Patents Represented by Attorney Lisa A. Dolak

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  • Method of chilling a photographic emulsion
    Patent number: 5595865
    Abstract: Photographic emulsions are quickly chilled to a homogeneous, particulate gel by injection of carbon dioxide coolant, while the emulsion is agitated. This process is carried out in a housing having a pair of parallel auger screws to transport emulsion circuitously within the housing. Carbon dioxide coolant is injected through a plurality of nozzles in the housing and is then removed from the housing through a vent line.
    Type: Grant
    Filed: December 28, 1990
    Date of Patent: January 21, 1997
    Assignee: Eastman Kodak Company
    Inventors: Steven D. Possanza, Daniel J. Wooster, David R. Bendle