Patent ID: 8833363
Filing Date: 2014-09-16
Classification: A61K,A61M,B01J

Abstract:
1. A liquid-ejection method by employing a liquid-ejection device comprising a liquid-ejection head for ejecting a liquid by the thermal inkjet system, a tank for holding a liquid, a liquid-feeding path for supplying the liquid holding in the tank to the liquid-ejection head, the method comprising the step of ejecting the liquid from the ejection head by supplying the liquid holding in the tank to the ejection head through the liquid-feeding path and applying a thermal energy to the liquid supplied by means of driving the liquid-ejection head at drive frequency of the range of 0.1 kHz to 100 kHz, and the liquid comprising: at least one protein or peptide; at least one amino acid selected from the group consisting of proline, glycine, glutamic acid, aspartic acid, valine, threonine, alanine, serine, leucine, and isoleucine, or a salt thereof; a polyoxyethylene sorbitan fatty acid ester; and a liquid medium containing water as a main component.