Patent · US Expired

Free-flowing rubber granules

US5202371A · kind A · utility

3Cited by

11References

2Claims

0Family size

Assignee

BASF SE

Inventors

Walter Goetz · Ludwigshafen, DE
Eckhard M. Koch
Herbert Gutsche · Kaiserslautern, DE
Richard Pflueger

Key dates

Filing date	Oct 30, 1991
Grant date	Apr 13, 1993
Priority date	—
Expiry date	Oct 30, 2011

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2998
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Free-flowing granules of thermoplastic elastomers are obtained by applying a finely divided mineral powder, namely a silicate from the group comprising wollastonite, kaolinite or mica, in an amount of from 0.005 to 0.5%, based on the amount of elastomer, to the surface of the granules.

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