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:
Feb. 14, 2012
Filed:
Apr. 22, 2010
Haruhiko Komoriya, Kawagoe, JP;
Shinichi Sumida, Kawagoe, JP;
Michitaka Ootani, Kawagoe, JP;
Takeo Komata, Kawagoe, JP;
Kazuhiko Maeda, Chiyoda-ku, JP;
Haruhiko Komoriya, Kawagoe, JP;
Shinichi Sumida, Kawagoe, JP;
Michitaka Ootani, Kawagoe, JP;
Takeo Komata, Kawagoe, JP;
Kazuhiko Maeda, Chiyoda-ku, JP;
Central Glass Company, Limited, Ube-shi, JP;
Abstract
The present invention relates to a fluorine-containing cyclic compound of formula (5): wherein R-Rand R-Rare independently a hydrogen atom, a halogen atom, or a C-Cstraight-chain, branched or cyclic alkyl group, and may contain fluorine atom, oxygen atom, sulfur atom, or nitrogen atom. Rand R, Rand R, or Rand Rmay be bonded together to form a ring. In such a case, it is a C-Calkylene group that may contain a hetero atom such as oxygen, sulfur and nitrogen, 'a' is 0 or 1, 'b' is an integer of 0-2 and “c” is an integer of 0-2.