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:
May. 13, 2014
Filed:
Dec. 04, 2009
Thomas Foo, Wilmington, DE (US);
Mark Andrew Harmer, Landenberg, PA (US);
Keith W. Hutchenson, Lincoln University, PA (US);
Christopher P. Junk, Wilmington, DE (US);
Berlyn R. Mellein, Wilmington, DE (US);
Aaron Minter, Wilmington, DE (US);
Mark Brandon Shiflett, Wilmington, DE (US);
Thomas Foo, Wilmington, DE (US);
Mark Andrew Harmer, Landenberg, PA (US);
Keith W. Hutchenson, Lincoln University, PA (US);
Christopher P. Junk, Wilmington, DE (US);
Berlyn R. Mellein, Wilmington, DE (US);
Aaron Minter, Wilmington, DE (US);
Mark Brandon Shiflett, Wilmington, DE (US);
E I du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
This invention relates to compounds useful as ionic liquids that are based on an N-substituted pyrrolidinone and incorporate a pendant ammonium cation that is spaced from the pyrrolidone ring by a variable length linker; and to methods of carbon dioxide removal in which they may be used.