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:
Jun. 05, 2012
Filed:
Jun. 15, 2010
Applicants:
John R. Hellmann, State College, PA (US);
Barry E. Sheetz, Lemont, PA (US);
Ryan P. Koseski, Bethesda, MD (US);
Inventors:
John R. Hellmann, State College, PA (US);
Barry E. Sheetz, Lemont, PA (US);
Ryan P. Koseski, Bethesda, MD (US);
Assignee:
The Penn State Research Foundation, University Park, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/60 (2006.01); C03C 15/00 (2006.01); E21B 43/267 (2006.01);
U.S. Cl.
CPC ...
Abstract
The disclosed invention relates to a process of using molten salt ion exchange to treat particles such as spherically shaped soda-lime-silica glass particles. The treated particles may be used as proppants in hydrofractured oil and natural gas wells.