Patent · US Active

Water-absorbing (meth) acrylic resin with optical effects, and related compositions

US10676556B2 · kind B2 · utility

0Cited by

1References

19Claims

0Family size

Inventors

Fatemeh Mohammadi · Hauppauge, US
Lisa Qu · Great Neck, US
Emi Akabane · Annaka City, JP

Key dates

Filing date	Nov 10, 2016
Grant date	Jun 9, 2020
Priority date	—
Expiry date	Nov 10, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L83/12
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A water-absorbing polymer obtained from polymerization of (A) and (B) in aqueous medium wherein (A) is a phosphate-containing (meth)acrylic monomer and/or a salt thereof, and (B) is a monomer having one (meth)acrylic group within the molecule and/or a salt thereof that is different from component (A); and reacting the reaction product of (A) and (B) with (C) an organopolysiloxane having a (meth)acrylic group at both ends.

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