Minnesota Mining and Manufacturing Company

Imation Corporation

Lori S Harring

Sharon Mary Simpson

Larry R Krepski

Kim Marie Vogel

Raffaella Biavasco

Cristina Soncini

Daniel E Mickus

Mark B Mizen

William Donald Ramsden

Randall H Helland

Tran V Thien

Charles W Gomez

Francis H Sansbury

A photothermographic element comprising a support bearing at least one heat-developable, photosensitive, image-forming photothermographic emulsion layer comprising:

Chromogenic leuco redox-dye-releasing compounds for photothermographic

Hydrogen atom donor compounds are useful as contrast enhancers when used in combination with (i) hindered phenol developers, and (ii) trityl hydrazide and/or formyl-phenyl hydrazine co-developers, to produce ultra-high contrast black-and-white photothermographic and thermographic elements. The photothermographic and thermographic elements may be used as a photomask in a process where there is a subsequent exposure of an ultraviolet or short wavelength visible radiation-sensitive imageable medium.

Hydrogen atom donor compounds as contrast enhancers for black-and-white

N-acyl-hydrazine compounds are useful as contrast enhancers when used in combination with (i) hindered phenol developers, and (ii) trityl hydrazide and/or formyl-phenyl hydrazine co-developers, to produce ultra-high contrast black-and-white photothermographic and thermographic elements. The photothermographic and thermographic elements may be used as a photomask in a process where there is a subsequent exposure of an ultraviolet or short wavelength visible radiation-sensitive imageable medium.

N-acyl-hydrazine compounds as contrast enhancers for black-and-white

Trityl hydrazides and formyl-phenyl hydrazines are useful as co-developers with hindered phenols in phothothermographic and thermographic elements. These co-developers have the formula:

Hydrazide compounds useful as co-developers for black-and-white

Dihydroperimidine squarylium dyes have been found to be particularly effective when used in acutance and antihalation systems for photothermographic and photographic articles.

Dihydroperimidine squarylium dyes as antihalation and acutance materials

Growing community of inventors

Hudson, WI, United States of America

Lori S Harring