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:
Sep. 04, 1984
Filed:
Oct. 26, 1982
Donald M Fenton, Anaheim, CA (US);
Union Oil Company of California, Brea, CA (US);
Abstract
Mineral-derived fines are contacted with a polymeric material to agglomerate the fines. The agglomerating polymeric materials are the homopolymers and salts of homopolymers of acrylic acid and methacrylic acid, the copolymers and salts of copolymers of acrylic acid with methacrylic acid, and the copolymers and salts of copolymers of one or more monomers of acrylic acid and methacrylic acid together with any one or more monomers selected from the group consisting of acrylamide, methacrylamide, acrylonitrile, methacrylonitrile, styrene, N,N-dimethylacrylamide, vinyl acetate, and monomers having the structural formula: ##STR1## where R.sub.1 is hydrogen or a methyl group and R.sub.2 is an alkyl radical, alkoxyalkyl radical, hydroxyalkyl radical, or aminoalkyl radical, having from 1 to 20 carbon atoms.