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:
Jul. 29, 2003
Filed:
Nov. 28, 2001
Ikuo Shimizu, Yokkaichi, JP;
Hiroshi Toyoda, Yokkaichi, JP;
Motoharu Kinugasa, Yokkaichi, JP;
Shiho Yamada, Yokkaichi, JP;
Masanori Ikuta, Yokkaichi, JP;
Kenji Mutoh, Tokyo, JP;
Tsutomu Satoh, Tokyo, JP;
Tatsuya Tomura, Tokyo, JP;
Other;
Abstract
An object of the present invention is to provide novel squarylium compounds having the spectroscopic properties, light resistance, solubility and thermal decomposition properties suitable for a recording material for DVD-R, and optical recording media using the same. More particularly, the present invention provides novel squarylium compounds represented by the general formula (I). In addition, the present invention provides optical recording media having a recording layer containing said squarylium compound.