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. 04, 2014
Filed:
Dec. 26, 2012
Asahi Glass Company, Limited, Chiyoda-ku, JP;
Asahi Glass Company, Limited, Tokyo, JP;
Abstract
To provide an optical film wherein deterioration of a diimonium compound in an adhesive layer is prevented, and a process for its production. An optical film comprising a base film and an adhesive layer which is formed on the base film and has a massive material dispersed in an adhesive, wherein the massive material contains a diimonium compound represented by the following formula (1) and has a melting point of at least 200° C.: wherein Rto Rrepresent each independently an unsubstituted or substituted, same or different, Caliphatic hydrocarbon group, provided that from 4.9 to 8 groups among Rto Rare a Caliphatic hydrocarbon group (in which some of hydrogen atoms may be substituted by halogen atoms), and Xrepresents (RSO)Cwherein Rrepresents a Caliphatic hydrocarbon group which is unsubstituted or substituted by a halogen atom.