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:
Mar. 04, 2014
Filed:
Jun. 02, 2009
Srinivasa Godavarthy, Spring, TX (US);
Wei-yang Su, Spring, TX (US);
Ralph M. Diguilio, Spring, TX (US);
Stan Harville, The Woodlands, TX (US);
Matthew W. Forkner, Spring, TX (US);
Srinivasa Godavarthy, Spring, TX (US);
Wei-Yang Su, Spring, TX (US);
Ralph M. DiGuilio, Spring, TX (US);
Stan Harville, The Woodlands, TX (US);
Matthew W. Forkner, Spring, TX (US);
Huntsman Petrochemical LLC, The Woodlands, TX (US);
Abstract
The present invention relates to a process for producing an odorless and colorless industrial grade propylene glycol from glycerol obtained during the manufacturing of biodiesel. The process includes hydrogenating the glycerol to form a hydrogenated product, distilling the hydrogenated product to form a glycol product, and contacting the glycol product with a treatment bed. The propylene glycol may be used in various industrial and consumer applications and products such as personal care products.