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.:

US 7473808 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 06, 2009

Filed:

Apr. 07, 2008
Applicants:

Armin Rix, Marl, DE;

Frank Hoeper, Haltern am See, DE;

Jochen Praefke, Oer-Erkenschwick, DE;

Wilfried Bueschken, Haltern am See, DE;

Inventors:

Armin Rix, Marl, DE;

Frank Hoeper, Haltern am See, DE;

Jochen Praefke, Oer-Erkenschwick, DE;

Wilfried Bueschken, Haltern am See, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 43/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A process for preparing ethyl tert-butyl ether (ETBE) using low-water ethanol obtained by membrane dewatering at least two streams of relatively water-rich ethanol that have a different water content. by dewatering at membranes.


Find Patent Forward Citations

Rix, Armin. (2009). Process for preparing ethyl tert-butyl ether using ethanol dewatered by a membrane process (U.S. Patent No. 7473808). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7473808

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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