EP0678559A1
Expired / Lapsed
EP
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Milling process for producing organic pigments
Assignee: Clariant Produkte Deutschland GmbH
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Filing: 1995-04-06
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Granted: —
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Expires: 2015-04-06
Abstract
Abstract Fine pulverisation of crude polycyclic organic pigments comprises (a) dry grinding the coarsely crystalline pigment, then (b) wet milling the prepigment in aq. suspension in a ball mill with stirrer, operating at a power of over 2.5 kW/l and stirring rate of 12 m/s, using milling balls with a dia. of at most 1 mm.
Inventors
- 👤 Manfred Urban
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-03 13:11
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0001; C09B67/0022; C09B67/0002; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/322
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