Invention Grant
- Patent Title: PTFE membrane
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Application No.: US12906356Application Date: 2010-10-18
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Publication No.: US09409132B2Publication Date: 2016-08-09
- Inventor: Richard Brandimarte , Kirit Patel
- Applicant: Richard Brandimarte , Kirit Patel
- Applicant Address: US MN Minneapolis
- Assignee: Donaldson Company, Inc.
- Current Assignee: Donaldson Company, Inc.
- Current Assignee Address: US MN Minneapolis
- Agency: Pauly, DeVries Smith & Deffner LLC
- Main IPC: B29C67/20
- IPC: B29C67/20 ; B29C43/02 ; B01D71/36 ; B01D67/00 ; B01D69/02 ; B29C43/22 ; B29C71/02 ; C08J5/22 ; B29C43/46 ; B29K27/18 ; B29L31/00

Abstract:
A method for improving the dimensional stability of PTFE membranes by the application of elevated temperature and elevated pressure to a PTFE membrane. The process reduces and/or eliminates the relaxation stress normally associated with PTFE membranes made using previously existing methods.
Public/Granted literature
- US20110254186A1 PTFE MEMBRANE Public/Granted day:2011-10-20
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