Process for the preparation of a pressure-sensitive recording ma
Process for the preparation of color developer sheets for pressu
Process for the production of record material
Process for the production of record material
Process for the production of self-contained carbonless copy rec
Process of producing color developer sheet for pressure-sensitiv
Production of a color developing record sheet containing metal-m
Record material
Record material carrying a color developer composition
Record material carrying a color developer composition
Reversible thermal recording medium and method of producing the
Sympathetic ink and developer system
Thermosensitive recording material