Patents by Inventor Frank C. Bennett, Jr.

Frank C. Bennett, Jr. has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 3976812
    Abstract: 1. A method of forming a photosensitive layer of lead sulfide crystals which comprises precipitating the crystals onto a seeded glass support by adding a solution of allyl-thiourea to an alkaline solution of a copper nitrate and a lead nitrate having a concentration of copper between 5 .times. 10.sup..sup.-5 and 5 .times. 10.sup..sup.-4 molar, a concentration of lead between 0.05 and 0.06 molar, and a concentration of hydroxide between 0.55 and 0.75 molar and immersing said seeded glass support in the resulting mixture.
    Type: Grant
    Filed: July 14, 1955
    Date of Patent: August 24, 1976
    Assignee: Eastman Kodak Company
    Inventors: Peter E. Natale, Frank C. Bennett, Jr.