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David Anstine
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Canton, GA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Non-caking mine rock dust for use in underground coal mines
Patent number
11,421,531
Issue date
Aug 23, 2022
Imerys USA, Inc.
Douglas Wicks
E21 - EARTH DRILLING MINING
Information
Patent Grant
Compositions including blends of hydrophobic and non-hydrophobic in...
Patent number
11,414,550
Issue date
Aug 16, 2022
Imerys USA, Inc.
David H. Anstine
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Non-caking mine rock dust for use in underground coal mines
Patent number
10,533,417
Issue date
Jan 14, 2020
Imerys USA, Inc.
Douglas Wicks
E21 - EARTH DRILLING MINING
Information
Patent Grant
Non-caking rock dust for use in underground coal mines
Patent number
9,631,492
Issue date
Apr 25, 2017
Imerys USA, Inc.
David Anstine
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Stearic acid-treated calcium carbonate compositions having low or n...
Patent number
8,580,141
Issue date
Nov 12, 2013
Imerys Pigments, Inc.
Yash Khanna
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
NON-CAKING MINE ROCK DUST FOR USE IN UNDERGROUND COAL MINES
Publication number
20200109629
Publication date
Apr 9, 2020
IMERYS USA, INC.
Douglas WICKS
E21 - EARTH DRILLING MINING
Information
Patent Application
TREATED INORGANIC PARTICULATE MATERIAL FOR IMPROVING PERFORMANCE OF...
Publication number
20190055406
Publication date
Feb 21, 2019
IMERYS USA, INC.
David ANSTINE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COMPOSITIONS INCLUDING BLENDS OF HYDROPHOBIC AND NON-HYDROPHOBIC IN...
Publication number
20180340072
Publication date
Nov 29, 2018
IMERYS USA, INC.
David H. ANSTINE
C01 - INORGANIC CHEMISTRY
Information
Patent Application
MODIFIED CARBONATES FOR IMPROVED POWDER TRANSPORTATION AND DRY-BLEN...
Publication number
20170233553
Publication date
Aug 17, 2017
IMERYS USA, INC.
Douglas WICKS
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
NON-CAKING MINE ROCK DUST FOR USE IN UNDERGROUND COAL MINES
Publication number
20170159437
Publication date
Jun 8, 2017
Imerys USA, Inc.
Douglas Wicks
E21 - EARTH DRILLING MINING
Information
Patent Application
Stearic Acid-Treated Calcium Carbonate Compositions Having Low or N...
Publication number
20160152802
Publication date
Jun 2, 2016
Imerys Pigments, Inc.
YASH KHANNA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
TREATMENTS FOR NON-CAKING MINE ROCK DUST
Publication number
20150037496
Publication date
Feb 5, 2015
IMERYS PIGMENTS, INC.
Douglas Wicks
E21 - EARTH DRILLING MINING
Information
Patent Application
NON-CAKING ROCK DUST FOR USE IN UNDERGROUND COAL MINES
Publication number
20150008369
Publication date
Jan 8, 2015
Imerys Pigments, Inc.
David ANSTINE
E21 - EARTH DRILLING MINING
Information
Patent Application
Non-Caking Mine Rock Dust
Publication number
20140193642
Publication date
Jul 10, 2014
Imery Pigments, Inc.
David Anstine
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Stearic Acid-Treated Calcium Carbonate Compositions Having Low or N...
Publication number
20140121312
Publication date
May 1, 2014
Imerys Pigments, Inc.
Yash Khanna
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
STEARIC ACID-TREATED CALCIUM CARBONATE COMPOSITIONS HAVING LOW OR N...
Publication number
20110159290
Publication date
Jun 30, 2011
Imerys Pigments, Inc.
Yash Khanna
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...