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. 15, 1994
Filed:
Nov. 08, 1993
John F Knifton, Austin, TX (US);
Pei-Shing E Dai, Port Arthur, TX (US);
Texaco Chemical Company, White Plains, NY (US);
Abstract
Disclosed is an improved process for preparing alkyl tertiary alkyl ethers, especially methyl t-butyl ether, in one step which comprises reacting tertiary butanol and methanol in the presence of a catalyst comprising .beta.-zeolite modified with one or more metals selected from Group VIII of the Periodic Table, and optionally further modified with a halogen or a Group IB metal, with an alumina binder, at a temperature of about 20.degree. C. to 250.degree. C. and atmospheric pressure to about 1000 psig, wherein when the temperature is in the operating range above about 140.degree. C., the product comprises a two-phase mix of an MTBE-isobutylene and, optionally, diisobutylene product-rich phase and a heavier aqueous ethanol-rich phase.