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. 18, 2006
Filed:
Jan. 11, 2005
Kikuo Furukawa, Ibaraki, JP;
Minoru Kakuda, Chiba, JP;
Yoshio Nishimura, Ibaraki, JP;
Toshiaki Yamada, Ibaraki, JP;
Kikuo Furukawa, Ibaraki, JP;
Minoru Kakuda, Chiba, JP;
Yoshio Nishimura, Ibaraki, JP;
Toshiaki Yamada, Ibaraki, JP;
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Abstract
The adamantane derivatives of the present invention which are represented by the general formula (1): wherein X is a hydrogen atom, alkyl, halogen-containing alkyl, halogen, or hydroxyl-, halogen-, nitrile- or ether-containing hydrocarbyl, and a plurality of X groups, if any, may be the same or different from each other; nis an integer of 1 to 14; Rto Rmay be the same or different from each other and are independently alkyl or halogen-containing alkyl; and Yand Ymay be the same or different from each other and are independently a hydrogen atom or a group represented by the general formula (2): wherein Rto Rmay be the same or different from each other and are independently a hydrogen atom, alkyl, halogen or halogen-containing alkyl, are excellent in optical properties, heat resistance and acid-dissociating property, and useful as crosslinking-type resins, optical materials such as optical fibers, light wave guides, optical disk substrates and photoresists as well as raw materials thereof, intermediate products of medicines or agricultural chemicals, and various other industrial products.