Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Color developer for pressure-sensitive recording paper and production thereof using a phenol-xylene-formaldehyde resin

Color developer for pressure-sensitive recording paper and production thereof using a phenol-xylene-formaldehyde resin

US Patent 4920185 · Granted Apr 24, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Cryopreservation jig for cryopreserving cells or tissues2022
Tool for cryopreservation of cell or tissue and cryopreservation method2020
Transmission type screen2016
Ink jet recording material2009
Thermosetting resin composition, thermosetting resin molding compound and cured 2009
Process for preparing an ink-jet recording material2008
Packaged product for ink-jet recording material, and recording method and record2005
Recording material for ink-jet2005
Ink-jet recording sheet2004
Ink-jet recording material2003
Ink-jet recording material, and recording method of ink-jet recording and record2003
Ink-jet recording material2003