Invention Grant
US07959705B2 Filter with ePTFE and method of forming 有权
用ePTFE过滤和成型方法

  • Patent Title: Filter with ePTFE and method of forming
  • Patent Title (中): 用ePTFE过滤和成型方法
  • Application No.: US12951358
    Application Date: 2010-11-22
  • Publication No.: US07959705B2
    Publication Date: 2011-06-14
  • Inventor: Kyung-Ju Choi
  • Applicant: Kyung-Ju Choi
  • Applicant Address: US KY Louisville
  • Assignee: AAF-McQuay Inc.
  • Current Assignee: AAF-McQuay Inc.
  • Current Assignee Address: US KY Louisville
  • Agency: Middleton Reutlinger
  • Agent James E. Cole; John F. Salazar
  • Main IPC: B01D39/02
  • IPC: B01D39/02
Filter with ePTFE and method of forming
Abstract:
A filter media product and method of making the same wherein the filter media is pleatable and has at least one support scrim comprised of a melt bonded non-woven material or a fuse bonded non-woven material bonded to a layer of expanded polytetrafluoroethylene. The filter media may have a single support scrim with one or more layers and optionally may have a support scrim on both an upstream and downstream surface where both or neither support scrim is multilayered. The filter media may have an efficiency greater than, equal to, or less than HEPA.
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