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. 24, 2020
Filed:
Nov. 10, 2017
Ppg Industries Ohio, Inc., Cleveland, OH (US);
Luciano M. Parrinello, Allison Park, PA (US);
Qunhui Guo, Murrysville, PA (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
A treated vapor permeable microporous membrane includes: a microporous membrane having a first side and a second side opposite the first side. The membrane includes a thermoplastic organic polymer having a polyolefin. The membrane defines a network of interconnecting pores communicating substantially throughout the membrane. The treated membrane further includes finely divided, particulate filler distributed throughout the membrane and a first hydrophobic/oleophobic material over at least a portion of the first side. A method of preparing the treated vapor permeable microporous membrane is also disclosed.