Invention Grant
- Patent Title: High loft spunbonded web
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Application No.: US12497102Application Date: 2009-07-02
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Publication No.: US08162153B2Publication Date: 2012-04-24
- Inventor: Andrew R. Fox , John D. Stelter , Michael R. Berrigan , Jonathan M Lise
- Applicant: Andrew R. Fox , John D. Stelter , Michael R. Berrigan , Jonathan M Lise
- Applicant Address: US MN St. Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN St. Paul
- Agent Kenneth B. Wood
- Main IPC: B01D27/06
- IPC: B01D27/06 ; D04H3/16 ; D04H13/00 ; B32B3/00 ; B32B5/00
Abstract:
Herein are disclosed high loft spunbonded webs that are substantially free of crimped fibers and gap-formed fibers. The webs exhibit a solidity of from less than 8.0% to about 4.0% and a ratio of Effective Fiber Diameter to Actual Fiber Diameter of at least 1.40. Also disclosed are methods of making such webs.
Public/Granted literature
- US20110000845A1 HIGH LOFT SPUNBONDED WEB Public/Granted day:2011-01-06
Information query
