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:
Sep. 28, 1976
Filed:
Oct. 02, 1974
Shinetsu Chemical Company, Tokyo, JA;
Abstract
A process for preparing methyl chloride by reacting hydrogen chloride with methanol in the liquid-phase non-catalytic reaction, employing a reaction system comprising a reactor and two distillation columns, each being operated under a different pressure, to greatly increase the space time yield and the conversion of hydrogen chloride and methanol, and at the same time to reduce the production of dimethyl ether as a byproduct. The raw materials used may be either gaseous or liquid; they may contain a large amount of water or gases insoluble in water. By this process, hydrogen chloride gas and diluted hydrochloric acid that are produced as a byproduct or waste in various chemical processes can be effectively utilized.