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:
Nov. 24, 1981
Filed:
Dec. 02, 1977
Applicant:
Inventor:
Tao P Li, Chesterfield, MO (US);
Assignee:
Monsanto Co., St. Louis, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
570230 ;
Abstract
Monohalogenated olefins are prepared from halo-alkanes containing 2 to 6 carbon atoms and at least two hydrogen atoms on adjacent carbons by dehydrogenation of the halo-alkanes at a temperature from about 400.degree. to about 700.degree. C. in the presence of oxygen and in contact with a catalyst comprising a halide of copper and an alkali metal phosphate, particularly potassium phosphate, deposited upon an inorganic support. Typically, vinyl chloride is prepared from ethyl chloride.