|
| US4188194 | 1 juil. 1977 | 12 févr. 1980 | General Electric Company | Direct conversion process for making cubic boron nitride from pyrolytic boron nitride |
| US4289503 | 11 juin 1979 | 15 sept. 1981 | General Electric Company | Polycrystalline cubic boron nitride abrasive and process for preparing same in the absence of catalyst |
| US4334928 | 8 févr. 1980 | 15 juin 1982 | Sumitomo Electric Industries, Ltd. | Sintered compact for a machining tool and a method of producing the compact |
| US4342595 | 17 déc. 1979 | 3 août 1982 | United Technologies Corporation | Cubic boron nitride and metal carbide tool bit |
| US4673414 | 29 janv. 1986 | 16 juin 1987 | General Electric Company | Re-sintered boron-rich polycrystalline cubic boron nitride and method for making same |
| US5869015 | 4 mai 1998 | 9 févr. 1999 | General Electric Company | Method for producing cubic boron nitride using melamine as a catalyst |
| US6120570 | 13 mars 1998 | 19 sept. 2000 | Smith International Sandvik Atibolag | Process for manufacturing inserts with holes for clamping |
| US6919040 | 3 août 2001 | 19 juil. 2005 | | Method of producing an abrasive product containing cubic boron nitride |
| US7033408 | 3 août 2001 | 25 avr. 2006 | | Method of producing an abrasive product containing diamond |