The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 21, 2008
Filed:
May. 20, 2004
Fumio Takagi, Nagano-ken, JP;
Kazuhiko Ishihara, Mitaka-shi, Tokyo, 181-0011, JP;
Fumio Takagi, Nagano-ken, JP;
Kazuhiko Ishihara, Mitaka-shi, Tokyo, 181-0011, JP;
Seiko Epson Corporation, , JP;
Other;
Abstract
It is an object of the present invention to provide a droplet discharging head suited to the discharge of a sample solution, and particularly one that contains a bio-related substance. This object is achieved by a droplet discharging headfor discharging a sample solution, wherein the portion of the inner walls of the droplet discharging headthat comes into contact with the sample solution is covered with a polymer composed of phosphorylcholine group-containing unsaturated compound units, or a copolymer including same. The droplet discharging head is preferably an electrostatic drive or piezoelectric drive type.