Water absorbent agent
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United States of America Patent
Stats
-
Jun 30, 2020
Grant Date -
Jan 4, 2018
app pub date -
Dec 28, 2015
filing date -
Jan 7, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Provided is a water-absorbing agent which maintains a certain degree of liquid permeability and water absorption speed while also reducing re-wet in a disposable diaper, without the use of costly raw materials or costly apparatuses. The water-absorbing agent of the present invention contains a polyacrylic acid salt-based water-absorbing resin as a main component and has physical properties falling within a specific range, the physical properties being saline flow conductivity (SFC), gap fluid retention property under pressure, and a proportion of particles having a particle diameter of not less than 150 μm and less than 710 μm.
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Patent Citation Ranking
- 0 Citation Count
- A61F Class
- 0 % this patent is cited more than
- 5 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 30, 2027 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 30, 2031 |
