Patent · US Expired

Method for producing rounded polymeric particles

US6264861A · kind A · utility

41Cited by

7References

7Claims

0Family size

Assignee

XEIKON · BE

Inventors

Serge Tavernier · Lint, BE
Daniel Heitzmann · Mortsel, BE
Gerrit Delen · Herselt, BE
Geert Tersago · Puurs, BE

Key dates

Filing date	Jun 22, 1999
Grant date	Jul 24, 2001
Priority date	—
Expiry date	Jun 22, 2019

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29B2009/166
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A method for rounding thermoplastic particles whereby the thermoplastic particles are stirred at a temperature around their plastification temperature, T.sub.plast, together with particles that are larger than the thermoplastic particles and that have a higher specific gravity.

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