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:
May. 17, 2005
Filed:
Jan. 13, 2003
Applicants:
Takashi Okazoe, Yokohama, JP;
Kunio Watanabe, Yokohama, JP;
Shin Tatematsu, Yokohama, JP;
Masahiro Ito, Yokohama, JP;
Daisuke Shirakawa, Yokohama, JP;
Masao Iwaya, Yokohama, JP;
Hidekazu Okamoto, Yokohama, JP;
Inventors:
Takashi Okazoe, Yokohama, JP;
Kunio Watanabe, Yokohama, JP;
Shin Tatematsu, Yokohama, JP;
Masahiro Ito, Yokohama, JP;
Daisuke Shirakawa, Yokohama, JP;
Masao Iwaya, Yokohama, JP;
Hidekazu Okamoto, Yokohama, JP;
Assignee:
Asahi Glass Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C069/66 ; C07C069/63 ; C07C057/64 ;
U.S. Cl.
CPC ...
Abstract
The present invention provides a method for obtaining a compound useful as a raw material for various fluororesins in high yield by a short process by using a starting material which is inexpensive and readily available.