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.

Date of Patent:
Jan. 24, 2017

Filed:

Feb. 17, 2012
Applicants:

Norihide Enomoto, Tokyo, JP;

Tatsuya Hasegawa, Tokyo, JP;

Inventors:

Norihide Enomoto, Tokyo, JP;

Tatsuya Hasegawa, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/13 (2006.01); C08K 5/357 (2006.01); G02B 1/04 (2006.01); C08K 5/29 (2006.01);
U.S. Cl.
CPC ...
C08K 5/357 (2013.01); G02B 1/04 (2013.01); G02B 1/041 (2013.01); C08K 5/13 (2013.01); C08K 5/29 (2013.01);
Abstract

The invention provides a transparent resin composition which is stable and has weather resistance and chemical resistance under natural environmental conditions, under harsher natural environmental conditions, and under similar or harsher usage conditions, the composition comprising a polycyclohexylene dimethylene terephthalate copolyester, and further comprising an ultraviolet absorber composed of a benzoxazinone-based compound and/or a hydrolysis inhibitor composed of a carbodiimide; a transparent resin composition which is stable and has weather resistance and chemical resistance under even harsher usage conditions; and a transparent resin composition which is stable and has weather resistance and chemical resistance under the above conditions, the composition further comprising an antioxidant and a heat-resistant material. These transparent resin compositions can be used for helmets, face shields for helmets, lenses for spectacles, outer cases for storing items, sheet materials for outdoor installation, and frames and temples for spectacles.


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