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:
Aug. 19, 2014
Filed:
Oct. 21, 2010
Klaus Hintzer, Kastl, DE;
Dennis E. Vogel, Lake Elmo, MN (US);
Miguel A. Guerra, Woodbury, MN (US);
Jolanta Ignatowska, Bremen, DE;
Gerd-volker Röschenthaler, Bremen, DE;
Oleg Shyshkov, Burgkirchen/Alz, DE;
Kim M. Vogel, Lake Elmo, MN (US);
Tilman C. Zipplies, Burghausen, DE;
Klaus Hintzer, Kastl, DE;
Dennis E. Vogel, Lake Elmo, MN (US);
Miguel A. Guerra, Woodbury, MN (US);
Jolanta Ignatowska, Bremen, DE;
Gerd-Volker Röschenthaler, Bremen, DE;
Oleg Shyshkov, Burgkirchen/Alz, DE;
Kim M. Vogel, Lake Elmo, MN (US);
Tilman C. Zipplies, Burghausen, DE;
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A method for preparing fluorinated carboxylic acids and theirs salts is described comprising subjecting a fluorinated to at least one first and at least one second oxidizing agent to produce a highly fluorinated carboxylic acid or their salts. The first oxidizing agent is a compound that can be converted, by action of the second oxidizing agent, into a reactive species capable of oxidizing the fluorinated alcohol.