Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Dye diffusion process with base precursor salts of strong organic bases and weak organic acids

Dye diffusion process with base precursor salts of strong organic bases and weak organic acids

US Patent 4894312 · Granted Jan 16, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Container for animals2017
Dowel-shaped element for determining spatial position, especially that of an imp2008
Implant2006
Medical implant2005
Sensor for recording extension and stress in solid material2004
Method and device for carving poultry carcasses and/or carcass parts2001
Process for the production of a photographic image2000
Photographic recording material2000
Chromogenic process for the production of color images using a color photographi2000
Chromogenic process for the production of color images using a color photographi2000
Processing color photographic materials1998
Black and white paper with variable gradation1997