Patent · US Expired

Method for modifying the surface of finely divided particles by the application of organofunctional polysiloxanes

US5281478A · kind A · utility

7Cited by

2References

3Claims

0Family size

Assignee

Th. Goldschmidt. AG · DE

Inventors

Werner Hohner · Velbert, DE
Dietmar Schaefer · Hattingen, DE

Key dates

Filing date	Dec 3, 1992
Grant date	Jan 25, 1994
Priority date	—
Expiry date	Dec 3, 2012

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2998
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A method for modifying the surface of finely divided particles, such as pigments and fillers, or of glass fibers is described. The method utilizes organopolysiloxane with epoxy and long-chain alkyl groups linked over carbon atoms to silicon atoms.

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