Patent · US Active

Formulations with a low particle content

US11309493B2 · kind B2 · utility

0Cited by

5References

18Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Edgar Boehm · Griesheim, DE
Anja Gerhard · Egelsbach, DE
Dietmar Kunkel · Gernsheim, DE
Volker Hilarius · Groß-Umstadt, DE
Masahiro Uchida · Suwa, JP
Takuya SONOYAMA · Fujimi, JP
Shuichi Takei · Shimosuwa-Machi, JP
Koji Imamura · Moriyama, JP

Key dates

Filing date	Dec 30, 2020
Grant date	Apr 19, 2022
Priority date	—
Expiry date	Dec 30, 2040

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/549
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to formulations comprising at least one organic semiconductor and at least one organic solvent, characterized in that the formulation contains less than 10,000 particles per liter formulation having an average size in the range from 0.1 to 20 μm, to their use for the preparation of electronic devices, to methods for preparing electronic devices using the formulations of the present invention, and to electronic devices prepared from such methods and formulations.

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