Blended filament nonwoven fabric
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 30, 2017
Grant Date -
Jun 19, 2014
app pub date -
Aug 8, 2012
filing date -
Aug 12, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The nonwoven fabric is a blended filament nonwoven fabric including a blend of two types of filaments, wherein the two types of filaments are constituted of thermoplastic resins different from each other, an average fiber diameter obtained by dividing the total value of fiber diameters of the filaments present in the nonwoven fabric by the number of the constituent filaments is 0.1 to 10 μm, and the nonwoven fabric has a specific volume of 12 cm3/g or more; the blended filament nonwoven fabric, wherein the ratio of the number of constituent filaments having fiber diameters of 0.1 to 3 μm is 50% or more of the filaments constituting the nonwoven fabric, and the ratio of the number of constituent filaments having fiber diameters exceeding 3 μm is 50% or less of the filaments constituting the nonwoven fabric; or the nonwoven fabric is produced by a melt-blowing process.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2012 Application Filing Year
- B03C Class
- 188 Applications Filed
- 162 Patents Issued To-Date
- 86.18 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 4 Citation Count
- B03C Class
- 22.34 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 30, 2024 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 30, 2028 |
