Patent ID: 7827982
Filing Date: 2010-11-09
Classification: A61K,A61M,A61P,B41J,C09D,Y10S

Abstract:
1. A liquid-ejection method employing a liquid-ejection device comprising a liquid-ejection head for ejecting a liquid by a thermal inkjet system, a tank for holding a liquid, and a liquid-feeding path for supplying the liquid held in the tank to the liquid-ejection head, the method comprising: a step of ejecting the liquid from the liquid-ejection head by (i) supplying the liquid held in the tank to the liquid-ejection head through the liquid-feeding path, and (ii) applying an ejection energy to the liquid supplied, wherein the liquid comprises (i) at least one selected from proteins and peptides, (ii) a benzalkonium chloride, and (iii) a liquid medium containing water as a main component.