Invention Grant
- Patent Title: PTFE membrane
- Patent Title (中): PTFE膜
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Application No.: US11287164Application Date: 2005-11-23
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Publication No.: US07922946B2Publication Date: 2011-04-12
- 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, L.L.C.
- Main IPC: B29C43/24
- IPC: B29C43/24 ; B29C43/22
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
- US20060157893A1 PTFE membrane Public/Granted day:2006-07-20
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