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:
Apr. 17, 1979
Filed:
May. 24, 1977
Applicant:
Inventors:
Rokuro Harima, Naruto, JP;
Takeshi Misawa, Naruto, JP;
Tsunehiko Masatomi, Naruto, JP;
Yasuo Shimizu, Tokushima, JP;
Yoshifumi Nakacho, Tokushima, JP;
Hisashi Takao, Naruto, JP;
Kenji Kase, Tokushima, JP;
Assignee:
Otsuka Kagaku Yakuhin Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ; 424283 ;
Abstract
2,2'-BIS(3,4-Epoxy-5-oxotetrahydropyran)ethers represented by the formula ##STR1## wherein R is hydrogen atom or straight-chain or branched-chain alkyl having 1 to 6 carbon atoms; a process for preparing the same.