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. 22, 2003
Filed:
Dec. 05, 2001
Applicant:
Inventors:
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;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/02 ;
U.S. Cl.
CPC ...
B32B 3/02 ;
Abstract
Squarylium compounds having spectroscopic properties, light resistance, solubility and thermal decomposition properties suitable for a recording material for DVD-R represented by the general formula (I), having pyrazole and indoline skeletons in the molecule and optical recording media having a recording layer comprising an asymmetric squarylium compound of formula (I).