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:
Nov. 05, 2024
Filed:
Jun. 30, 2022
3m Innovative Properties Company, St. Paul, MN (US);
Tatsuo Fukushi, Woodbury, MN (US);
Julie A. Baker, St. Paul, MN (US);
Yuta Suzuki, Kanagawa, JP;
Steffen Vowinkel, Mühldorf am Inn, DE;
Justin P. McBride, Woodbury, MN (US);
Michael H Mitchell, Edina, MN (US);
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
Fluoroelastomers containing at least 25 weight percent perfluorinated thermoplastic fillers are described. The perfluorinated thermoplastic fillers comprise a first perfluorinated thermoplastic filler having a first d50 particle size of 10 to 250 nanometers, and a second perfluorinated thermoplastic filler having a second d50 particle size of 5 to 500 micrometers. The first thermoplastic filler may be obtained from a latex while the second thermoplastic filler may be obtained as a dry powder. Methods of making such materials and cured articles prepared from them are also described.