Patent · US Active

Immersion oils having long service life

US12013523B2 · kind B2 · utility

0Cited by

3References

11Claims

0Family size

Assignee

Carl Zeiss Jena GmbH · DE

Inventors

Jakob Benedikt Jaeger · Heidenheim, DE
Matthias Krieg · Heidenheim, DE
Hans-Joachim Weippert · Aalen, DE

Key dates

Filing date	Mar 26, 2021
Grant date	Jun 18, 2024
Priority date	—
Expiry date	Dec 7, 2041

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2603/10
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

An immersion oil for microscopy contains a) a first diester A1 based on a tricyclodecane radical K having one functional group and a first hydrocarbon derivative C1 having two functional groups, and b) a second diester A2 based on the tricyclodecane radical K having one functional group and a second hydrocarbon derivative C2 having two functional groups, where C1 and C2 are different. Methods can be used for the production of the immersion oil and for the use thereof in microscopy.

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