|
| US3950182 | 18 Nov 1974 | 13 Abr 1976 | Imperial Chemical Industries Limited | Treatment process |
| US4265406 | 31 May 1979 | 5 May 1981 | Imperial Chemical Industries Limited | Comminution process |
| US4386963 | 21 Sep 1981 | 7 Jun 1983 | W. R. Grace & Co. | Grinding aids for granular blast furnace slag |
| US4491480 | 6 Dic 1983 | 1 Ene 1985 | Teroson G.m.b.H. | Grinding aid and mineral mixture containing it |
| US4635858 | 9 Ene 1981 | 13 Ene 1987 | W. R. Grace & Co. | Methods of operating ball grinding mills |
| US4643362 | 2 Dic 1985 | 17 Feb 1987 | W. R. Grace & Co. | Grinding aids for hydraulic cement |
| US4711401 | 16 Ene 1987 | 8 Dic 1987 | W. R. Grace & Co. | Method of grinding a hydraulic cement |
| US5131600 | 14 Ago 1990 | 21 Jul 1992 | The Dow Chemical Company | Alkanol amine grinding aids |
| US6170575 | 2 Jun 1999 | 9 Ene 2001 | Halliburton Energy Services, Inc. | Cementing methods using dry cementitious materials having improved flow properties |
| US6245142 | 12 Ene 1999 | 12 Jun 2001 | Halliburton Energy Services, Inc. | Flow properties of dry cementitious materials |
| US6379456 | 11 Abr 2000 | 30 Abr 2002 | Halliburton Energy Services, Inc. | Flow properties of dry cementitious and non-cementitious materials |
| US6478869 | 23 Mar 2001 | 12 Nov 2002 | Halliburton Energy Services, inc. | Flow properties of dry cementitious materials |
| US6494951 | 23 Sep 1999 | 17 Dic 2002 | Halliburton Energy Services, Inc. | Cementing compositions using dry cementitious materials having improved flow properties |
| US6610139 | 27 Sep 2002 | 26 Ago 2003 | Halliburton Energy Services, Inc. | Methods of preparing particulate flow enhancing additives |
| US6660080 | 27 Sep 2002 | 9 Dic 2003 | Halliburton Energy Services, Inc. | Particulate flow enhancing additives |
| US7086466 | 10 Feb 2004 | 8 Ago 2006 | Halliburton Energy Services, Inc. | Use of substantially hydrated cement particulates in drilling and subterranean applications |
| US7341104 | 24 Mar 2006 | 11 Mar 2008 | Halliburton Energy Services, Inc. | Methods of using substantially hydrated cement particulates in subterranean applications |
| US8183186 | 5 Nov 2008 | 22 May 2012 | Halliburton Energy Services, Inc. | Cement-based particulates and methods of use |
