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:
Oct. 27, 2009
Filed:
Feb. 22, 2007
Yasutaka Ishii, Takatsuki, JP;
Tatsuya Nakano, Himeji, JP;
Takahiro Iwahama, Himeji, JP;
Daicel Chemical Industries, Ltd., Sakai-shi, JP;
Abstract
A carbonyl compound represented by following Formula (1): wherein Rrepresents hydrogen atom or an organic group; and Rrepresents hydrogen atom or an organic group having a carbon atom at a bonding site with the carbonyl group in Formula (1), wherein Rand Rmay be combined to form a ring with adjacent two carbon atoms, or an equivalent thereof is reacted with an unsaturated compound represented by following Formula (2): wherein each of R, R, and Rrepresents hydrogen atom, a halogen atom, hydroxyl group, or an organic group and wherein Rand Rmay be combined to form a ring with adjacent two carbon atoms, or a precursor thereof, to yield a furan compound represented by following Formula (3): wherein R' represents R, Ror hydrogen atom; and R, R, R, R, are Rare as defined above.