Patent · US Active

Solution polymerization in isopropanol and water

US10865263B2 · kind B2 · utility

0Cited by

4References

10Claims

0Family size

Assignees

Rohm and Haas Company · US
UNION CARBIDE CORPORATION · US

Inventors

Scott Backer · Phoenixville, US
Randara Pulukkody · Lansdale, US
Mahesh Sawant · Pune, IN
Eric P. Wasserman · Hopewell, US

Key dates

Filing date	Oct 24, 2017
Grant date	Dec 15, 2020
Priority date	—
Expiry date	Jan 22, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F2800/20
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A method for solution polymerization. The method comprises polymerizing in a solvent a monomer mixture comprising: (a) 5 to 95 wt % of a C3-C5 ethylenically unsaturated dicarboxylic acid; and (b) 5 to 95 wt % of vinyl acetate; wherein the solvent comprises 51 to 88 wt % isopropanol and 12 to 49 wt % water.

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