Patent · US Expired

1,7,9,15-Tetraoxa-4,12-diaza-8-silaspiro-(7.7)-pentadecanes, a process for their preparaton and their use

US4868320A · kind A · utility

3Cited by

4References

2Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Helmut-Martin Meier · Ratingen, DE
Werner Kloker · Krefeld, DE
Armin Sickert · Krefeld, DE

Key dates

Filing date	Oct 19, 1988
Grant date	Sep 19, 1989
Priority date	—
Expiry date	Oct 19, 2008

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07F7/07
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The new 1,7,9,15-tetraoxa-4,12-diaza-8-silaspiro-[7.7]-pentadecanes, which are prepared by reaction of corresponding alkoxysilanes with corresponding alkanolamines, are used above all as hardening accelerators for unsaturated polyester resins and acrylic resins.

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