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:
Jan. 03, 2012
Filed:
Aug. 07, 2006
John Campbell, Rochdale, GB;
Ronald Matthys Swart, Oldham, GB;
Lucy Emeleus, London, GB;
Susan Owens, Manchester, GB;
John Campbell, Rochdale, GB;
Ronald Matthys Swart, Oldham, GB;
Lucy Emeleus, London, GB;
Susan Owens, Manchester, GB;
Cytec Technology Corp., Wilmington, DE (US);
Abstract
A metal extractant comprising Formula (1) wherein R, R, Rand Reach independently are hydrogen, an optionally substituted hydrocarbyl group, an electron withdrawing group, an electron donating group, or one or more of R& R, R& R, R& Rare linked in such way as to form an optionally substituted ring; Y is N or CRwherein Ris hydrogen, an optionally substituted hydrocarbyl, optionally substituted hydrocarbyloxy, optionally substituted hydrocarbyloxycarbonyl, optionally substituted hydrocarbylcarbonyloxy group, optionally substituted optionally substituted mono or dihydrocarbylaminocarbonyl group; Z is N or CRwherein Ris hydrogen, an optionally substituted hydrocarbyl, optionally substituted hydrocarbyloxy, optionally substituted hydrocarbyloxycarbonyl, optionally substituted hydrocarbylcarbonyloxy group, optionally substituted optionally substituted mono or dihydrocarbylaminocarbonyl group; and tautomers or salts thereof, with the proviso that both Y and Z could be N provided that no more than one of Y or Z is N.