Patent · US Active

Suspensions in aqueous media

US9920139B2 · kind B2 · utility

0Cited by

4References

6Claims

0Family size

Assignees

Rohm and Haas Company · US
DOW GLOBAL TECHNOLOGIES LLC · US

Inventors

Matthew D. Reichert · West Chester, US
Alfred K. Schultz · Masontown, US
Andrew M. Savo · Cherry Hill, US
Steven Rosenberg · Shorewood, US
Ralph C. Even · Blue Bell, US
Lester Howard McIntosh, III · Green Lane, US
Robert Johnson · Carmel, US
John David Finch · North Wales, US
Decai Yu · Midland, US

Key dates

Filing date	Dec 15, 2015
Grant date	Mar 20, 2018
Priority date	—
Expiry date	Dec 15, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F212/36
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Provided is a suspension comprising liquid droplets dispersed in an aqueous medium, wherein said droplets comprise (a) one or more water-insoluble compounds, and (b) a vinyl polyelectrolyte (PED) having a polarity, and wherein said aqueous medium comprises a polyelectrolyte (PEW) having a polarity that is opposite to the polarity of said polyelectrolyte (PED). Also provided are a method of making such a suspension and a method using such a suspension in a process of suspension polymerization.

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