1
Jeffrey M Ball: Method for applying a hot melt ink to a substrate. Willett International, Charles D Gunter, August 4, 1987: US04684956 (175 worldwide citation)

The present invention provides a process for applying a thermoplastic image forming composition as a series of discrete droplets from a non-contact ink jet printing apparatus to form separate drops on a substrate moving relative to the apparatus, characterized in that the molten composition is therm ...


2
Jeffrey M Ball: Method for applying a hot melt ink to a substrate. Willett International, Charles D Gunter Jr, August 11, 1992: USRE034029

The present invention provides a process for applying a thermoplastic image forming composition as a series of discrete droplets from a non-contact ink jet printing apparatus to form separate drops on a substrate moving relative to the apparatus, characterized in that the molten composition is therm ...