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:
Jan. 11, 2005
Filed:
Oct. 23, 2002
Satoru Shoshi, Koshigaya, JP;
Yutaka Onozawa, Kawagoe, JP;
Shigenobu Maruoka, Tatuno, JP;
Yoshitaka Takesako, Toda, JP;
Satoru Shoshi, Koshigaya, JP;
Yutaka Onozawa, Kawagoe, JP;
Shigenobu Maruoka, Tatuno, JP;
Yoshitaka Takesako, Toda, JP;
Lintec Corporation, Tokyo, JP;
Abstract
A film for optical applications comprising (A) a hard coat layer which comprises a metal oxide and a substance cured by heat or by an ionizing radiation and has a thickness in a range of 2 to 20 μm and (B) a low refractivity layer which comprises porous silica and a polysiloxane-based polymer and has a refractive index in a range of 1.30 to 1.45 and a thickness in a range of 40 to 200 nm, layers (A) and (B) being successively laminated at least on one face of a substrate film. The film exhibits an excellent property for preventing reflection of light and excellent scratch resistance and can be produced at a low cost.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile