Patent · US Expired

Continuous method for producing polyorganosiloxanes

US6069220A · kind A · utility

12Cited by

4References

10Claims

0Family size

Assignee

Huels Silicone GmbH · DE

Inventors

Sabine Hoffmann · Radebeul, DE
Klaus Kaeppler · Burghausen, DE

Key dates

Filing date	Jan 4, 1999
Grant date	May 30, 2000
Priority date	—
Expiry date	Jan 4, 2019

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G77/08
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A continuous method for producing polyorganosiloxanes by multiple-step hydrolysis and condensation of alkoxysilanes in the presence of hydrogen chloride and/or of a compound that has at least one SiCl group, and an organic solvent immiscible with water.

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