Ferro Corporation
Method For Manufacturing Bismuth Based Pigment Having An Improved Alkaline Resistance By Encapsulating Said Pigment With A Chelating Agent

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Abstract:

The present invention is directed to a method for manufacturing a bismuth based pigment having an improved alkaline resistance, the method comprising: i) obtaining a dried bismuth based pigment; ii) encapsulation of the bismuth based pigment using a chelating agent; iii) final processing of the encapsulated pigment; and v) drying of the pigment. In addition, the present invention is directed to a bismuth based pigment encapsulated by a layer of chelating agent.

Status:
Application
Type:

Utility

Filling date:

22 Sep 2017

Issue date:

15 Aug 2019