Patent · US Active

Lightweight particles and compositions containing them

US10759965B2 · kind B2 · utility

0Cited by

31References

22Claims

0Family size

Assignee

PPG Industries Ohio, Inc. · US

Inventors

Lawrence G. Anderson · Washington, US
Chester J. Szymanski · Washington, US

Key dates

Filing date	Apr 29, 2019
Grant date	Sep 1, 2020
Priority date	—
Expiry date	Apr 29, 2039

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2998
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Low density particles that have an exterior surface coated with a thin polymeric coating of an aminoplast can be used in aerospace sealants to reduce the specific gravity of a sealant.

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