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:
Aug. 28, 2012
Filed:
Aug. 09, 2010
Ryan Chester, Heathridge, AU;
John D. Kildea, Baldivis, AU;
Jing Wang, Aurora, IL (US);
Heinrich E Bode, Aurora, IL (US);
Xiaojin Harry LI, Palatine, IL (US);
Ryan Chester, Heathridge, AU;
John D. Kildea, Baldivis, AU;
Jing Wang, Aurora, IL (US);
Heinrich E Bode, Aurora, IL (US);
Xiaojin Harry Li, Palatine, IL (US);
Nalco Company, Naperville, IL (US);
Abstract
The invention provides methods and compositions for improving the production of alumina. The invention involves adding a product containing one or more polysaccharides to liquor within the fluid circuit of the production process, where one of the polysaccharides is scieroglucan. The use of scleroglucan can impart a number of advantages including at least some of: greater flocculation effectiveness, increasing the maximum effective dosage, faster settling rate. The production process can be a Bayer process.