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:
Mar. 10, 2009
Filed:
Jun. 29, 2007
Shu-zhong Wang, Yokohama, JP;
Takashi Okazoe, Yokohama, JP;
Eisuke Murotani, Yokohama, JP;
Kunio Watanabe, Yokohama, JP;
Daisuke Shirakawa, Yokohama, JP;
Kazuya Oharu, Yokohama, JP;
Shu-zhong Wang, Yokohama, JP;
Takashi Okazoe, Yokohama, JP;
Eisuke Murotani, Yokohama, JP;
Kunio Watanabe, Yokohama, JP;
Daisuke Shirakawa, Yokohama, JP;
Kazuya Oharu, Yokohama, JP;
Asahi Glass Company, Limited, Tokyo, JP;
Abstract
The present invention provides a process for producing compounds useful as raw materials for various fluororesins in high yields in few steps from inexpensive and readily available starting materials. The following compound (1) and the following compound (2) are reacted to form the following compound (3), then the compound (3) is fluorinated in a liquid phase to form the following compound (4), and the ester bonds in the compound (4) are dissociated to form the compound (5), or the compound (5) and the compound (6).HOCH-Q-O—(CH)—OH  (1),CRCOX  (2),RCOOCH-Q-O—(CH)—OCOR  (3),RCOOCF-Q-O—(CF)—OCOR  (4),FCO-Q-O—(CF)—COF  (5),RCOF  (6).