Patent · US Expired

Preparation of organosilane esters

US7507850B2 · kind B2 · utility

8Cited by

11References

15Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Ekkehard Müh · Rheinfelden (Baden), DE
Hartwig Rauleder · Rheinfelden (Baden), DE
Harald Klein · Bessenbach, DE

Key dates

Filing date	Apr 4, 2005
Grant date	Mar 24, 2009
Priority date	—
Expiry date	Apr 4, 2025

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07F7/188
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a specific process for preparing organosilane esters of the formula (I) and a composition comprising more than 98% by weight of organosilane esters of the formula (I) and less than 2.0% by weight of at least one hydrocarbon and to the use of such a composition as precursor for producing a layer or film having a dielectric constant of 1<κ≦4.

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