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:
Jul. 01, 2008
Filed:
May. 13, 2004
Abdul Gorken, Stratford, CT (US);
Lino G. Magliocco, Shelton, CT (US);
D. R. Nagaraj, Ridgefield, CT (US);
Alan S. Rothenberg, Wilton, CT (US);
S. A. Ravishankar, Shelton, CT (US);
Abdul Gorken, Stratford, CT (US);
Lino G. Magliocco, Shelton, CT (US);
D. R. Nagaraj, Ridgefield, CT (US);
Alan S. Rothenberg, Wilton, CT (US);
S. A. Ravishankar, Shelton, CT (US);
Cytec Technology Corp., Wilmington, DE (US);
Abstract
A mineral beneficiating reagent containing an alkyl hydroxamic acid or salt thereof and a nonionic surfactant. The alkyl hydroxamic acid or a salt thereof is represented by the formula:R—C(═O)N(R″)—OM,wherein R is linear or branched C2-C18 alkyl, linear or branched C2-C18 alkenyl, C6-C20 aryl or substituted aryl, C7-C26 aralkyl or substituted aralkyl; R″ is H, C1-C12 alkyl or aralkyl; M is hydrogen, an alkali metal, or an ammonium cation represented by N(A,B,C,D) wherein each of A,B,C,D, respectively, are H or C1-C6 alkyl or benzyl radicals. The nonionic surfactant can be any known nonionic surfactant, including but not limited ethoxylated alcohols, esters, ethoxylated acids, ethoxylated (alkyl) phenols, alcanolamides, polyethylene oxide copolymers and mixtures thereof.