The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 17, 2023
Filed:
May. 14, 2019
Applicant:
Omya International Ag, Oftringen, CH;
Inventors:
Pierre Blanchard, Reyrieux, FR;
Jean-Pierre Elgoyhen, Bures-sur-Yvette, FR;
Beat Karth, Oberoenz, CH;
Holger Müller, Rheinfelden, DE;
Jürgen Spehn, Safenwil, CH;
Martin Brunner, Wallbach, CH;
Pascal Gonnon, Villeneuve, FR;
Michael Tinkl, Gipf-Oberfrick, CH;
Assignee:
Omya International AG, Oftringen, CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09D 1/00 (2006.01); C09C 1/02 (2006.01); C09C 3/04 (2006.01); D21H 17/00 (2006.01); D21H 17/63 (2006.01); D21H 17/67 (2006.01); D21H 17/68 (2006.01); D21H 19/38 (2006.01); D21H 19/40 (2006.01); D21H 21/52 (2006.01); B02C 23/36 (2006.01); C04B 14/28 (2006.01); C08K 3/26 (2006.01); C08K 9/04 (2006.01); D21H 17/66 (2006.01);
U.S. Cl.
CPC ...
C09D 1/00 (2013.01); B02C 23/36 (2013.01); C04B 14/28 (2013.01); C08K 3/26 (2013.01); C08K 9/04 (2013.01); C09C 1/021 (2013.01); C09C 3/04 (2013.01); D21H 17/00 (2013.01); D21H 17/63 (2013.01); D21H 17/66 (2013.01); D21H 17/67 (2013.01); D21H 17/675 (2013.01); D21H 17/68 (2013.01); D21H 19/38 (2013.01); D21H 19/385 (2013.01); D21H 19/40 (2013.01); D21H 21/52 (2013.01); C01P 2004/03 (2013.01); C01P 2004/62 (2013.01); C01P 2006/12 (2013.01); C01P 2006/22 (2013.01); C01P 2006/60 (2013.01); C08K 2003/265 (2013.01); Y10T 428/2982 (2015.01); Y10T 428/2991 (2015.01);
Abstract
The present invention refers to a mineral matter powder preparation by wet process without acrylic additive or other grinding aid additives and to the use of said mineral matter after an optional hydrophobic treatment. Said mineral material having superior dispersing properties.