Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Preparation of novel perfluorinated sulphonic acid fluorides

Preparation of novel perfluorinated sulphonic acid fluorides

US Patent 4411841 · Granted Oct 25, 1983

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method of increasing the concentration of dilute brine in NaCl electrolysis plan2003
Process for the production of oleum and sulfuric acid1995
Process for preventing caking of ammonium bifluoride and/or fluoride particles1990
Polyurethanes containing perfluoroalkyl groups and a process for their productio1985
Process for the preparation of polycarbonates having N-alkyl-perfluoroalkyl sulf1985
Process for the purification of exhaust gases containing sulfuryl fluoride1984
Process for the preparation of hydroxyalkylperfluoroalkane sulphonamides1981