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. 14, 2010
Filed:
May. 25, 2006
Klaus Hintzer, Kastl, DE;
Michael Jürgens, Neuoetting, DE;
Harald Kaspar, Burgkirchen, DE;
Herbert Koenigsmann, Burgkirchen, DE;
Kai Helmut Löchhaas, Neuoetting, DE;
Andreas R. Maurer, Langenneufnach, DE;
Werner Schwertfeger, Altoetting, DE;
Tilman Zipplies, Burghausen, DE;
George G. I. Moore, Afton, MN (US);
Jay F. Schulz, Inver Grove Heights, MN (US);
Richard M. Flynn, Mahtomedi, MN (US);
Klaus Hintzer, Kastl, DE;
Michael Jürgens, Neuoetting, DE;
Harald Kaspar, Burgkirchen, DE;
Herbert Koenigsmann, Burgkirchen, DE;
Kai Helmut Löchhaas, Neuoetting, DE;
Andreas R. Maurer, Langenneufnach, DE;
Werner Schwertfeger, Altoetting, DE;
Tilman Zipplies, Burghausen, DE;
George G. I. Moore, Afton, MN (US);
Jay F. Schulz, Inver Grove Heights, MN (US);
Richard M. Flynn, Mahtomedi, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A method for removing a fluorinated carboxylic acid or salt thereof from an aqueous liquid by contacting the aqueous liquid with adsorbent particles. The fluorinated carboxylic acid or salt thereof is selected from the group consisting of partially fluorinated carboxylic acids or salts thereof and fully fluorinated carboxylic acids or salts thereof.