Patent · US Active

Thin fluid absorbent core-absorbent paper

US12336895B2 · kind B2 · utility

0Cited by

7References

15Claims

0Family size

Assignee

BASF SE

Inventors

Stephan Bauer · Ostercappeln, DE
Katrin Baumann · Mannheim, DE
Norbert Herfert · Charlotte, US
Li Duan · Shanghai, CN
Le Li · Hangzhou City, CN
Xiao LIU · Shanghai, CN
Gao Sun · Shanghai, CN

Key dates

Filing date	Apr 9, 2019
Grant date	Jun 24, 2025
Priority date	—
Expiry date	Sep 27, 2041

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61F2013/530708
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

The present disclosure relates to fluid absorbent cores including at least one absorption layer, the layer including at least 80% by weight of water-absorbent polymer particles, 0 to 10% by weight of an adhesive and from 0 to 10% by weight of fibrous material, wherein the water-absorbent polymer particles within the absorption layer are water-absorbent polymer particles having a vortex of 40 s or less and having a roundness of 0.79 to 0.85 and/or a CRC of 38 g/g to 85 g/g.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.