Patent · US Active

Black pigments comprising graphenic carbon particles

US9988551B2 · kind B2 · utility

0Cited by

41References

20Claims

0Family size

Assignee

PPG Industries Ohio, Inc. · US

Inventors

Noel R. Vanier · Wexford, US
Eldon L. Decker · Gibsonia, US
Stephen Istivan · Pittsburgh, US
Cheng-Hung Hung · Wexford, US
Gina R. Bonnett · Lower Burrell, US

Key dates

Filing date	Dec 22, 2015
Grant date	Jun 5, 2018
Priority date	—
Expiry date	Dec 22, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K3/04
WIPO fieldMicro-structural and nano-technology
WIPO sectorChemistry

Abstract

Thermally produced graphenic carbon particles for use as black pigments are disclosed. The pigments may be used in coatings and bulk articles to provide desirable jetness characteristics and absorbance at visible wavelengths.

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