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:
Jan. 12, 2021
Filed:
Jun. 13, 2013
Applicant:
Solvay Specialty Polymers Italy S.p.a., Bollate, IT;
Inventors:
Stefana Musio, Alessandria, IT;
Valeriy Kapelyushko, Alessandria, IT;
Marco Malvasi, Novi Liqure, IT;
Stefano Vincenzo Radice, Meda, IT;
Assignee:
SOLVAY SPECIALTY POLYMERS ITALY S.P.A., Bollate, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/1565 (2006.01); C08F 214/26 (2006.01); C08F 14/26 (2006.01);
U.S. Cl.
CPC ...
C08K 5/1565 (2013.01); C08F 14/26 (2013.01); C08F 214/26 (2013.01);
Abstract
The invention pertains to a tetrafluoroethylene (TFE) copolymer comprising recurring units derived from at least one per(halo)fluoroolefin different from TFE [monomer (F)] [monomer (F)], in an amount of 0.005 to 0.250% moles, with respect to the total moles of the copolymer, wherein a particular relation between monomer content and amorphous index is satisfied, and to a process for its manufacture by emulsion polymerization in the presence of certain cyclic surfactants.