Patent · US Active

Waterborne coating compositions, related methods and coated substrates

US8143348B2 · kind B2 · utility

2Cited by

43References

19Claims

0Family size

Assignee

PPG Industries Ohio, Inc. · US

Inventors

Charles M. Kania · Lower Burrell, US
Irina G. Schwendeman · Wexford, US
Venkateshwarlu Kalsani · Washington, US
Richard J. Winters · Lower Burrell, US
Michael J. Ziegler · Pittsburgh, US
Manfred Wunsch · Pittsburgh, US
Carole A. Conley · Verona, US

Key dates

Filing date	Dec 3, 2009
Grant date	Mar 27, 2012
Priority date	—
Expiry date	Apr 21, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2201/50
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Disclosed are coating compositions that include a continuous phase that includes water and a dispersed phase that includes a microgel having a mean particle size of greater than 50 nanometers. The microgel is formed from reactants selected so as to provide a copolymer having a certain calculated Tg and includes a cycloaliphatic (meth)acrylate.

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