Patent · US Active

Modified filler particles and silicone compositions comprising the same

US11015024B2 · kind B2 · utility

0Cited by

4References

27Claims

0Family size

Assignee

Momentive Performance Materials GmbH · US

Inventors

Thorsten Felder · Düsseldorf, DE
Monika Friedrichs · Kerpen, DE
Gunnar Hoffmüller · Linz, DE
Abirami Srikanth · Savanuru, IN
Douglas M. Dukes · Troy, US
Sumi Dinkar · Bengaluru, IN
Roland Wagner · Feldkirchen-Westerham, DE
Karl-Heinz Stachulla · Leverkusen, DE

Key dates

Filing date	Jul 20, 2016
Grant date	May 25, 2021
Priority date	—
Expiry date	Mar 16, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K2003/2296
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Composition of comprising nano metal oxide/hydroxide particles and a polyorganosiloxane having increased refractive index, processes to cure these compositions for making transparent coats, shaped articles by an extrusion or molding process having a refractive index above the refractive index of the polyorganosiloxane. Use of the cured polyorganosiloxane compositions as optical devices, coats, lenses or light guides.

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