Patents by Inventor Sam Kalousdian

Sam Kalousdian 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).

  • Sensitizers for photothermographic elements
    Patent number: 5441866
    Abstract: Photothermographic elements of the photothermographic type may be sensitized to the infrared with sensitizing dyes of the formula: ##STR1## wherein: R.sup.1 represents a (CH.sub.2).sub.n --COO.sup.- group of from 1-20 carbon atoms, or an alkyl group of from 1 to 20 carbon atoms; andn is an integer from 1 to 20.
    Type: Grant
    Filed: January 26, 1995
    Date of Patent: August 15, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: James R. Miller, Sam Kalousdian, Brian C. Willett, John M. Winslow, Pu Zhou, Chaofeng Zou
  • Photothermographic elements containing silyl blocking groups
    Patent number: 5358843
    Abstract: Photothermographic elements containing image-forming emulsions with photothermographically useful compounds (e.g., stabilizers, toners, activators, developers, etc.) which are blocked with silyl groups, but become deblocked in the presence of a source of fluoride ion.
    Type: Grant
    Filed: August 20, 1993
    Date of Patent: October 25, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Kumars Sakizadeh, Sharon M. Simpson, Omar Farooq, Sam Kalousdian