Granted Patent B2

US 11,267,713 · App. 16/443,107 · Granted Mar 8, 2022

Inventors: Douglas M. Dukes (Troy, NY); Ashish P. Diwanji (New Albany, OH); Andrew R. Hopkins (Sylvania, OH); Walter J. Sherwood (Glenville, NY); Glenn Sandgren (Ambler, PA); Mark S. Land (Houston, TX); Brian L. Benac (Hadley, NY)

Assignee: Lensar, Inc.

C01B32/907C04B35/56C04B35/5603C04B35/571C04B35/80C08G77/20C08G77/50C08L83/04C04B2235/3418C04B2235/3826C04B2235/44C04B2235/48C04B2235/483C04B2235/528C04B2235/5427C04B2235/5436C04B2235/6581C04B2235/72C04B2235/77C04B2235/96C08G77/12C08G77/80C09K8/80

Abstract

Claims (17)

1. A high purity SiOC composition consisting essentially of: silicon, carbon and oxygen; and wherein the composition is substantially free from impurities, whereby the composition is at least 99.99% pure; and wherein the composition has a molar ratio of about 30% to 85% carbon, about 5% to 40% oxygen, and about 5% to 35% silicon.

2. The composition of claim 1 , having a molar ratio of about 50% to 65% carbon, about 20% to 30% oxygen, and about 15% to 20% silicon.

3. The composition of claim 1 , wherein the composition is a solid.

4. The composition of claim 1 , wherein the composition is a ceramic.

5. The composition of claim 1 , having impurities of less than about 1,000 ppm total of the elements selected from the group consisting of Al, Fe, B, P, Pt, Ca, Mg, Li, Na, Ni, V, Ce, Cr, S and As.

6. The composition of claim 1 , having impurities of less than about 500 ppm total of the elements selected from the group consisting of Al, Fe, B, P, Pt, Ca, Mg, Li, Na, Ni, V, Ce, Cr, S and As.

7. The composition of claim 1 , having impurities of less than about 100 ppm total of the elements selected from the group consisting of Al, Fe, B, P, Pt, Ca, Mg, Li, Na, Ni, V, Ce, Cr, S and As.

8. The composition of claim 1 , having impurities of less than about 50 ppm total of the elements selected from the group consisting of Al, Fe, B, P, Pt, Ca, Mg, Li, Na, Ni, V, Ce, Cr, S and As.

9. The composition of claim 1 , wherein the silicon oxycarbide is at least 99.999% pure.

10. The composition of claim 1 , wherein the silicon oxycarbide is at least 99.9999% pure.

11. The composition of claim 1 , wherein the silicon oxycarbide is at least 99.99999% pure.

12. A high purity silicon oxycarbide composition consisting essentially of: silicon, carbon and oxygen; wherein the composition is a solid; and wherein the composition has less than 10 ppm total of Al, B, and P; and wherein the composition has a molar ratio of about 30% to 85% carbon, about 5% to 40% oxygen, and about 5% to 35% silicon.

13. The high purity silicon oxycarbide composition of claim 12 , wherein the solid is a ceramic.

14. A high purity silicon oxycarbide composition consisting essentially of: silicon, carbon and oxygen; wherein the composition is a solid; wherein the composition has less than 10 ppm total of Al, Fe, Na, N, B, and P; and wherein the composition has a molar ratio of about 30% to 85% carbon, about 5% to 40% oxygen, and about 5% to 35% silicon.

15. The high purity silicon oxycarbide composition of claim 14 , wherein the solid is a ceramic.

16. A high purity silicon oxycarbide consisting essentially of: silicon, carbon and oxygen; wherein the composition is a solid; wherein the composition has less than 10 ppm total of Fe, B, and P; and wherein the composition has a molar ratio of about 30% to 85% carbon, about 5% to 40% oxygen, and about 5% to 35% silicon.

17. The high purity silicon oxycarbide composition of claim 16 , wherein the solid is a ceramic.

Assignments (3)

Continuity (12)