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:
Jul. 11, 2006
Filed:
Apr. 30, 2002
Applicants:
Harald Kaspar, Burgkirchen, DE;
Klaus Hintzer, Kastl, DE;
Greta Dewitte, Beveren, BE;
Werner Schwertfeger, Altotting, DE;
Inventors:
Harald Kaspar, Burgkirchen, DE;
Klaus Hintzer, Kastl, DE;
Greta Dewitte, Beveren, BE;
Werner Schwertfeger, Altotting, DE;
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 214/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Emulsifier free fluoropolymer manufacturing method in which (a) a chain transfer agent, or a mixture of chain transfer agents are used wherein the chain transfer agents do not yield more than 0.4 weight % relative to the monomer feed of water soluble fluorinated compounds, or (b) a chain transfer agent or a mixture of chain transfer agents selected from alkanes, dialkyl ethers, hydrofluoroethers and/or hydrofluorocarbons.