Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Metal salicylates, process for their preparation and use thereof as color developers in pressure-sensitive or heat-sensitive recording materials

Metal salicylates, process for their preparation and use thereof as color developers in pressure-sensitive or heat-sensitive recording materials

US Patent 4687869 · Granted Aug 18, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Heat-sensitive recording material1990
Salicylates and process for their preparation1988
Process for the preparation of mixtures of metal salts of ring-substituted salic1988
Process for the preparation of mixtures of metal salts of ring-substituted salic1988
Pressure-sensitive or heat-sensitive recording material1987
Heat-sensitive recording material1986
Heat-sensitive recording material1985
Process for fireproofing organic fibre material using phosphonic acid salts1984
Phosphonic acid salts, their preparation and their use for fireproofing organic 1984
Process for flameproofing organic fibrous material with phosphonic acid salts1981
Compositions for fireproofing polyester fiber materials with substituted sulphur1981
Method for the fireproofing of synthetic fiber material1980