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:
Sep. 04, 2018
Filed:
Apr. 22, 2016
Applicant:
Unimin Corporation, New Canaan, CT (US);
Inventors:
Jerry William Janik, Bridgenorth, CA;
Scott Van Remortel, Bakersville, NC (US);
Assignee:
Covia Holdings Corporation, Independence, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C 17/18 (2006.01); B07B 7/01 (2006.01); C01B 33/26 (2006.01); C04B 33/04 (2006.01); C04B 35/626 (2006.01); B02C 17/00 (2006.01); B02C 23/08 (2006.01); C03C 1/00 (2006.01); C04B 14/14 (2006.01); C09D 7/61 (2018.01); C09D 7/40 (2018.01); C08K 3/34 (2006.01);
U.S. Cl.
CPC ...
B02C 17/187 (2013.01); B02C 17/00 (2013.01); B02C 17/1845 (2013.01); B02C 23/08 (2013.01); B07B 7/01 (2013.01); C01B 33/26 (2013.01); C03C 1/004 (2013.01); C04B 14/14 (2013.01); C04B 33/04 (2013.01); C04B 35/6261 (2013.01); C09D 7/61 (2018.01); C09D 7/68 (2018.01); C09D 7/69 (2018.01); C01P 2004/61 (2013.01); C04B 2235/5436 (2013.01); C04B 2235/5481 (2013.01); C08K 3/34 (2013.01); Y10T 428/2982 (2015.01);
Abstract
A useable particulate nepheline syenite having a grain size to provide an Einlehner Abrasive Value of less than about 100 is described. The particulate nepheline syenite is generally free from agglomeration and moisture free. At least 99% of the nepheline syenite particles have a size less than 10 microns.