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. 23, 2018
Filed:
May. 20, 2016
Mitsui Chemicals, Inc., Minato-ku, Tokyo, JP;
Hisako Ishikawa, Ichihara, JP;
Toshinori Matsuda, Ichihara, JP;
Yosuke Ono, Ichihara, JP;
Kazuo Yagi, Hiroshima, JP;
Akifumi Kagayama, Chiba, JP;
MITSUI CHEMICALS, INC., Minato-Ku, Tokyo, JP;
Abstract
Disclosed is a film composed of a resin having a thiourethane bond, wherein the molar ratio (S/N) of sulfur to nitrogen contained in the resin is equal to or more than 0.8 and less than 3. A method for manufacturing a film is also disclosed. The disclosed film is excellent in a balance among high refractive index, low birefringence and light transmittance, and further excellent in a balance of mechanical characteristics such as toughness, hardness and dimensional stability, so that effects of deformation and the like during processing are very small, and the film is further excellent in solvent resistance as well.