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:
Jul. 18, 1989
Filed:
Jan. 20, 1987
Kiyokazu Mizutani, Aichi, JP;
Hitoshi Kato, Aichi, JP;
Kuniko Ogasawara, Aichi, JP;
Takeshi Endo, Kanagawa, JP;
Toagosei Chemical Industry, Ltd., Tokyo, JP;
Abstract
A method for producing spiro-orthocarbonate compounds is disclosed. The method comprises reacting a cyclic carbonate compound of the following formula with an epoxy compound containing an epoxy group: ##STR1## wherein R is an alkylene group or a substituted alkylene group. The disclosed method makes it easy to commercially produce spiro-orthocarbonate compounds in a one stage reaction. The starting materials can be easily handled without any hygienic difficulties and the method can be carried out without entailing any operational difficulties.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile