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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.:

US 8710257 B1

PDFFull Text
Date of Patent:
Apr. 29, 2014

Filed:

Nov. 18, 2010

Method of preparing highly fluorinated carboxylic acids and their salts

Applicants:

Klaus Hintzer, Kastl, DE;

Tilman C. Zipplies, Burghausen, DE;

Oleg Shyshkov, Burgkirchen, DE;

Inventors:

Klaus Hintzer, Kastl, DE;

Tilman C. Zipplies, Burghausen, DE;

Oleg Shyshkov, Burgkirchen, DE;

Assignee:

3M Innovative Properties Company, Saint Paul, MN (US);

Attorney:

C. Michael Geise

Primary Examiner:

Paul A Zucker

Int. Cl.
CPC ...
C07C 69/66 (2006.01); C07C 59/135 (2006.01); C07C 235/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for preparing highly fluorinated carboxylic acids and theirs salts and the precursors thereof.

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