Abstract: Polished talc microbeads, i.e. polished talc particles with a largest average diameter of less than 500 ?m and methods for the preparation thereof, which microbeads are especially suitable to be use as an alternative for plastic microbeads used in cosmetics and personal hygiene products. Body scrubs, tooth pastes and soaps comprising the present polished talc microbeads. The use of polished talc microbeads with a talc content of more than 70% (w/w) and a largest diameter of less than 500 ?m as a substitute for plastic microbeads in cosmetics and personal hygiene products.
Type:
Grant
Filed:
October 14, 2016
Date of Patent:
April 19, 2022
Assignee:
MONDO MINERALS B.V.
Inventors:
Jose Manuel De Barros Sanches, Tomasz Wasilewski, Anna Maria Kanios-Zakrzewska
Abstract: Polished talc microbeads, i.e. polished talc particles with a largest average diameter of less than 500 ?m and methods for the preparation thereof, which microbeads are especially suitable to be use as an alternative for plastic microbeads used in cosmetics and personal hygiene products. Body scrubs, tooth pastes and soaps comprising the present polished talc microbeads. The use of polished talc microbeads with a talc content of more than 70% (w/w) and a largest diameter of less than 500 ?m as a substitute for plastic microbeads in cosmetics and personal hygiene products.
Type:
Application
Filed:
October 14, 2016
Publication date:
October 10, 2019
Applicant:
MONDO MINERALS B.V.
Inventors:
Jose Manuel DE BARROS SANCHES, Tomasz WASILEWSKI
Abstract: The present invention is directed to a process for the treatment of talc, comprising the steps of (a) providing a talc having a first brightness value B1, measured according to ISO 2469, and forming a suspension of the talc in a liquid phase, the liquid phase of the suspension comprising at least one organic solvent, (b) delaminating and/or reducing the weight median particle size d50 of the talc, wherein the treated talc has a brightness value B2, measured according to ISO 2469, and B2?B1.
Type:
Grant
Filed:
May 27, 2008
Date of Patent:
December 23, 2014
Assignee:
Mondo Minerals B.V.
Inventors:
Patrick A. C. Gane, Daniel Gantenbein, Joachim Schoelkopf
Abstract: A talc slurry and a method of producing the talc slurry. A talc product includes the talc slurry having total solids (TS) 40% or higher and a dispersant agent and/or a thickener.