Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Photosensitive composition and photosensitive copying material prepared therefrom wherein composition has a thermal crosslinking urethane formaldehyde condensate

Photosensitive composition and photosensitive copying material prepared therefrom wherein composition has a thermal crosslinking urethane formaldehyde condensate

US Patent 4889789 · Granted Dec 26, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Photosensitive mixture containing an ester or amide of 1,2-naphthoquinone diazid1993
Process for producing images on a photosensitive material1992
Light-sensitive mixture based on 1,2-naphthoquinone-diazides, and reproduction m1992
Process for preparing photographic elements utilizing light-sensitive layer cont1992
Light-sensitive mixture for producing positive or negative relief copies1991
Process of producing negative relief copies utilizing photosensitive copying mat1991
Copying materials1991
Process for the production of negative relief copies utilizing reversal processi1991
Burn-in gumming composition for offset printing plates1991
Photosensitive composition, photosensitive copying material prepared from this c1989
Burn-in gumming composition for offset printing plates1989
Gumming solution for use in the burning-in of offset-printing plates comprising 1988