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:
Mar. 10, 2009
Filed:
Jan. 17, 2005
Taichi Sawaguchi, Tokyo, JP;
Koji Minami, Tokyo, JP;
Taichi Sawaguchi, Tokyo, JP;
Koji Minami, Tokyo, JP;
Zeon Corporation, Tokyo, JP;
Abstract
A resin composition includes an alicyclic structure-containing polymer; a hindered amine compound; and a releasing agent, wherein the releasing agent and the alicyclic structure-containing polymer satisfy the following relationship: 10≧|s1−s2|≧0.8 [(MPa)], wherein s1 represents a solubility parameter of the releasing agent, and s2 represents a solubility parameter of the alicyclic structure-containing polymer. The resin composition can be used as optical materials, such as a lens, a diffraction grating, and a prism, especially in the field of using blue laser, and has excellent releasability, transparence and colorless property as well as excellent resistance to laser.