Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Hydroxy alkane sulfonic acid sulfoalkyl esters

Hydroxy alkane sulfonic acid sulfoalkyl esters

US Patent 4483799 · Granted Nov 20, 1984

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Color photographic recording material1993
Color photographic recording material and a process for the preparation of a pho1991
Gradation-variable black-and-white paper1991
Gradation variable black- and -white paper1991
Process for the preparation of sulfoalkyl quaternary salts and for the productio1989
Pure annonin and a process for the preparation thereof1988
Pure annonin and a process for the preparation thereof1987
Photographic recording material and process for the production of photographic i1987
Color-photographic recording material1986
Photographic recording process1985
Process for the preparation of sulphoalkyl quaternary salts1985
Process for the preparation of sulphoalkyl quaternary salts1985