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Stan Harville Phones & Addresses

  • The Woodlands, TX
  • College Station, TX
  • 11456 Bristle Oak Trl, Austin, TX 78750 (512) 336-7673
  • 1921 Ramona Cir, San Marcos, TX 78666 (512) 353-1706
  • Montgomery, TX
  • Conroe, TX

Publications

Us Patents

Process For The Production And Purification Of Propylene Glycol

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US Patent:
20110112335, May 12, 2011
Filed:
Jun 2, 2009
Appl. No.:
12/994961
Inventors:
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
Assignee:
HUNTSMAN PETROCHEMICAL LLC - The Woodlands TX
International Classification:
C07C 29/80
C07C 31/20
US Classification:
568861, 568852
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.
Stan Keith Harville from The Woodlands, TX, age ~53 Get Report