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. 05, 1985
Filed:
Jul. 05, 1983
Applicant:
Inventor:
Gerald D Hansen, Holicong, PA (US);
Assignee:
Atlantic Richfield Company, Los Angeles, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210705 ; 210728 ; 210732 ; 210735 ; 252 / ;
Abstract
Polysaccharide gums, such as guar gum, are removed from an aqueous liquid by agglomerating the gum with a low molecular weight, water-soluble copolymer of styrene and maleic anhydride and separating the agglomerate from the aqueous liquid.