Use of polylactic acid powders in the manufacturing of beverage filter fibers
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United States of America Patent
Stats
-
Jun 5, 2018
Issued Date -
N/A
app pub date -
Mar 7, 2016
filing date -
Mar 9, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A non-woven mono-component, mono-constituent poly lactic acid (PLA) web is disclosed. The web material is useful for production of infused and brewed beverage filtering media such as tea bags and other pouches and filters. The nonwoven network of PLA fibers in mono-component, mono-constituent configuration provides enhanced liquid infusion properties, superior wet strength and weight properties that surpass current beverage bags and pouches because of its unique composition and structure. The manufacture of Biodegradable Tea and Coffee filter fabrics utilizing PLA powders in place of low melt mono-component, mono-constituent fibers to improve fabric elongation and reduce cost. The addition of a Chlorine scavenger allows preserving the taste and essence of the beverage.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2016 Application Filing Year
- B65D Class
- 4654 Applications Filed
- 2992 Patents Issued To-Date
- 64.29 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- B65D Class
- 36.20 % this patent is cited more than
- 7 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 | Dec 5, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 5, 2029 |
