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:
Feb. 03, 2015
Filed:
Dec. 13, 2011
Applicants:
Miquel A. Guerra, Woodbury, MN (US);
Gregg D. Dahlke, Saint Paul, MN (US);
Denis Duchesne, Woodbury, MN (US);
Tatsuo Fukushi, Woodbury, MN (US);
Werner M. A. Grootaert, Oakdale, MN (US);
Zai-ming Qiu, Woodbury, MN (US);
Inventors:
Miquel A. Guerra, Woodbury, MN (US);
Gregg D. Dahlke, Saint Paul, MN (US);
Denis Duchesne, Woodbury, MN (US);
Tatsuo Fukushi, Woodbury, MN (US);
Werner M. A. Grootaert, Oakdale, MN (US);
Zai-Ming Qiu, Woodbury, MN (US);
Assignee:
3M Innovative Properties Company, Saint Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 313/04 (2006.01); C08G 75/00 (2006.01); C07C 303/22 (2006.01); C08F 214/18 (2006.01);
U.S. Cl.
CPC ...
C08G 75/00 (2013.01); C07C 303/22 (2013.01); C07C 313/04 (2013.01); C08F 214/18 (2013.01);
Abstract
There is provided a method for preparing oligomers and co-oligomers of highly fluorinated sulfuric acids and salts thereof.