abstract |
SENSITIZED RECORD SHEET MATERIAL, SUITABLE FOR DEVELOPING USEFUL COLOR IN OILY, COLORLESS, CHROMOGENIC DYE-PRECUSOR INKS APPLIED THERETO. SAID RECORD SHEET MATERIAL HAS A COATED COMPRISING AN OIL-SOLUBLE METAL SALT AND AN OILSOLUBLE PHENOL-FORMALDEHYDE NOVOLAK RESIN. |