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:
Dec. 29, 2009
Filed:
Aug. 08, 2003
Yuehui Zhou, Toronto, CA;
Allan J. Robertson, Thorold, CA;
John H. Hillhouse, Niagara Falls, CA;
Douglas Baumann, St. Catharines, CA;
Yuehui Zhou, Toronto, CA;
Allan J. Robertson, Thorold, CA;
John H. Hillhouse, Niagara Falls, CA;
Douglas Baumann, St. Catharines, CA;
Cytec Technology Corp., Wilmington, DE (US);
Abstract
Novel phosphonium and imidazolium salts and methods for preparing them are disclosed. The novel phosphonium and imidazolium compounds are useful as polar solvents and have the general formula (I): QXwherein Qis formula (a) or formula (b); and Xis formula (c), formula (d) or formula (e); and wherein: each of R, R, R, R, R, R, R, R, R, and Ris independently a hydrocarbyl group; each of R, R, and Ris independently a hydrogen or hydrocarbyl group.