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.

Date of Patent:
Feb. 16, 2010

Filed:

Mar. 24, 2005
Applicants:

Galen J. Suppes, Columbia, MO (US);

William Rusty Sutterlin, Columbia, MO (US);

Mohanprasad Dasari, Columbia, MO (US);

Inventors:

Galen J. Suppes, Columbia, MO (US);

William Rusty Sutterlin, Columbia, MO (US);

Mohanprasad Dasari, Columbia, MO (US);

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/60 (2006.01);
U.S. Cl.
CPC ...
Abstract

A reactive-separation process converts glycerin into lower alcohols, having boiling points less than 200° C., at high yields. Conversion of natural glycerin to propylene glycol through an acetol intermediate is achieved at temperatures from 150° to 250° C. at a pressure ranging from 1 and 25 bar. The preferred applications of the propylene glycol are as an antifreeze, deicing compound, or anti-icing compound. The preferred catalyst for this process in a copper-chromium powder.


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