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:
Oct. 31, 2017
Filed:
Jun. 17, 2015
Sasol (Usa) Corporation, Houston, TX (US);
Kenneth L. Matheson, Lake Charles, LA (US);
Kip Sharp, Fulshear, TX (US);
Teresa L. Marino, Sulphur, LA (US);
Shane F. Cutrer, Lake Charles, LA (US);
Allan B. Hauser, De Ridder, LA (US);
Tamra R. Weemes, Lake Charles, LA (US);
Steve C. Lyons, Lake Charles, LA (US);
Geoffrey Russell, Sulphur, LA (US);
Qisheng Wu, Nanjing, CN;
Harald Kohnz, Oberhausen, DE;
Ollie M. James, Lake Charles, LA (US);
Cecil C. Mercy, Lake Charles, LA (US);
Herbert Olin Perkins, Orange, TX (US);
Sasol (USA) Corporation, Houston, TX (US);
Abstract
A process of preparing an alkoxylation catalyst wherein a catalyst precursor which is formed from an alkoxylated alcohol, calcium hydroxide, carboxylic acid, inorganic acid, and propylene oxide, is mixed with an antioxidant, preferably butylated hydroxyl toluene. A process of alkoxylation using the catalyst of the present invention.