Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Positively charged toners containing quaternary ammonium salts attached to acrylate polymers

Positively charged toners containing quaternary ammonium salts attached to acrylate polymers

US Patent 4299898 · Granted Nov 10, 1981

Estimated economic value: $1,774,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for developer compositions1987
Polyblend coated carrier materials1981
Method of using electrostatographic toner composition with surfactant1980