Patent · US Active

Superabsorbent polymer particles coated with a hydrophilic elastomer and absorbent article comprising such particles

US8409664B2 · kind B2 · utility

0Cited by

1References

21Claims

0Family size

Assignee

The Procter & Gamble Company · US

Inventors

Robin Lynn McKiernan · Mason, US
Steve Daryl Smith · Lancaster, US
Axel Meyer · Frankfurt am Main, DE

Key dates

Filing date	Jun 27, 2011
Grant date	Apr 2, 2013
Priority date	—
Expiry date	Nov 14, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2998
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

Superabsorbent polymer particles, coated with a block copolymer comprising at least four blocks being at least two hard blocks, one soft block and one hydrophilic block, wherein a the soft block is sandwiched between the hard blocks.

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