Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Quaternary ammonium salts of .alpha.-1,4-thiazine alkanephosphonic acids

Quaternary ammonium salts of .alpha.-1,4-thiazine alkanephosphonic acids

US Patent 4494977 · Granted Jan 22, 1985

Estimated economic value: $889,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Quaternary ammonium derivatives of 1,4-thiazine sulfonic acids1988
Acid inhibitor composition1987
Inhibiting corrosion with quaternary ammonium derivatives of 1,4-thiazine sulfon1986
Quaternary ammonium derivatives of 1,4 thiazine sulfonic acids1986
Halide free octahydrophenanthridine corrosion inhibitors1985
Mixtures of non-halogen salts of nitrogen heterocyclics and nitrogen-sulfur hete1985
Halide free corrosion inhibitors1985
Use of quaternized derivatives of polymerized pyridines and quinolines as microb1985
Halide free corrosion inhibitors1985
Silicon-containing quaternary ammonium thiazines1983
Inhibition of microbiological growth with thiazine quaternary ammonium salts of 1983
Inhibition of corrosion with thiazine quaternary ammonium salts of polyepihaloph1983