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:
May. 19, 2015
Filed:
Jun. 27, 2008
Applicants:
Scott Vanremortel, Bakersville, NC (US);
Robert Ratcliff, Bakersville, NC (US);
Ibezim Anazia, Burnsville, NC (US);
Louis M. Schlesinger, Spruce Pine, NC (US);
Inventors:
Scott VanRemortel, Bakersville, NC (US);
Robert Ratcliff, Bakersville, NC (US);
Ibezim Anazia, Burnsville, NC (US);
Louis M. Schlesinger, Spruce Pine, NC (US);
Assignee:
Unimin Corporation, New Canaan, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C 19/06 (2006.01); C04B 33/02 (2006.01); C04B 33/13 (2006.01); C04B 35/626 (2006.01); C09C 1/40 (2006.01); C09D 7/12 (2006.01); C09K 3/14 (2006.01); C08K 3/34 (2006.01); C09C 3/04 (2006.01);
U.S. Cl.
CPC ...
B02C 19/065 (2013.01); C04B 33/02 (2013.01); C04B 33/025 (2013.01); C04B 33/1305 (2013.01); C04B 35/6261 (2013.01); C04B 2235/3472 (2013.01); C04B 2235/5436 (2013.01); C04B 2235/5481 (2013.01); C08K 3/34 (2013.01); C09C 1/402 (2013.01); C09D 7/1216 (2013.01); C09D 7/1283 (2013.01); C09K 3/1409 (2013.01); C09C 1/405 (2013.01); C09C 3/041 (2013.01); C01P 2004/51 (2013.01); C01P 2004/53 (2013.01); C01P 2004/61 (2013.01); C01P 2006/12 (2013.01); C01P 2006/62 (2013.01); C01P 2006/63 (2013.01); C01P 2006/64 (2013.01); C01P 2006/60 (2013.01);
Abstract
An ultra-fine nepheline syenite powder produced from a pre-processed nepheline syenite powder feedstock. The powder having a 'controlled' maximum grain size D95 or D99 of less than about 20 microns and a 'controlled' minimum grain size D5 in the range of 2-8 microns with a particle size spread D5-D95 of less than about 12 microns.