Patent · US Active

Organometallic monomers and high refractive index polymers derived therefrom

US9190616B2 · kind B2 · utility

4Cited by

0References

6Claims

0Family size

Assignee

Silecs Oy · FI

Inventors

Jyri Paulasaari · Espoo, FI
Juha Rantala · Oulu, FI

Key dates

Filing date	Jun 14, 2012
Grant date	Nov 17, 2015
Priority date	—
Expiry date	Jun 14, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH10K85/6576
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Synthesis of thianthrene moiety containing silane and germane monomers and their polymerization is presented. The polymers show high refractive index, high transparency and excellent thermal stability. They are useful as dielectric films for semiconductor industry and for optical applications, including high-RI materials in CMOS image sensors.

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