Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8070080 | Method of processing nepheline syenite powder to produce an ultra-fine grain size product | Louis M. Schlesinger, Mauricio Duran Sanchez, Artemio Gonzalez Acevedo | 2011-12-06 |
| 7942351 | Method of processing nepheline syenite powder to produce an ultra-fine grain size product | Louis M. Schlesinger, Mauricio Duran Sanchez, Artemio Gonzalez Acevedo | 2011-05-17 |