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. 03, 2001
Filed:
Nov. 13, 1998
Abstract
In a process for preparing a fluorinated olefin having a carbon—carbon double bond, the carbon atoms of which have a fluorine atom, by reacting a halogenated olefin having at least one carbon—carbon double bond, a carbon atom or the carbon atoms of which bond have a chlorine atom or atoms bound thereto, and, in which the carbon atom or atoms with a single bond in the molecule have no halogen atom other than a fluorine atom, with an alkali metal fluoride, said reaction of the halogenated olefin with the alkali metal fluoride is conducted in the presence of an organic halogen-containing compound having a carbon—carbon single bond, a carbon or the carbons of which have at least one halogen atom other than fluorine atom.