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:
Jan. 13, 1976
Filed:
Apr. 13, 1973
Richard A Von Genk, Jacksonville, FL (US);
Carlos G Cardenas, Jacksonville, FL (US);
SCM Corporation, New York, NY (US);
Abstract
In the process for halogenation of conjugated dienes with elemental halogen under halogenation conditions, the improvement for obtaining increased yield of dihalogenated butene products comprising forming the reaction mixture with a dipolar aprotic solvent vehicle resistant to halogenation under such conditions in the proportion of about 0.05-10 moles per mole of said diene. The invention has particular application in the chlorination of isoprene to 1,4-dichloro-2-methyl-2-butene and 1,2-dichloro-2-methyl-3-butene.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile