C04B 24/28
Obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
Official title: obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds {(C04B24/243 takes precedence)}
C04B24/28 (Obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds) appears on 484 US grants and 474 published applications in this corpus.
Search patents in C04B- Granted patents
- 484
- Published applications
- 474
- Assignees
- 264
- Inventors
- 1,360
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 6 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 9 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 10 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 13 | 0 |
| 1999 | 11 | 0 |
| 2000 | 11 | 0 |
| 2001 | 12 | 4 |
| 2002 | 11 | 11 |
| 2003 | 12 | 15 |
| 2004 | 6 | 12 |
| 2005 | 12 | 4 |
| 2006 | 5 | 9 |
| 2007 | 5 | 5 |
| 2008 | 1 | 11 |
| 2009 | 4 | 5 |
| 2010 | 2 | 8 |
| 2011 | 3 | 10 |
| 2012 | 10 | 16 |
| 2013 | 11 | 13 |
| 2014 | 8 | 19 |
| 2015 | 14 | 18 |
| 2016 | 13 | 25 |
| 2017 | 23 | 31 |
| 2018 | 20 | 39 |
| 2019 | 29 | 46 |
| 2020 | 38 | 33 |
| 2021 | 24 | 26 |
| 2022 | 19 | 25 |
| 2023 | 14 | 13 |
| 2024 | 20 | 40 |
| 2025 | 17 | 14 |
| 2026 | 17 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Deflocculation additives for wellbore servicing fluid additives15 Sep 2026US 12,735,620 B2Halliburton Energy Services.Inc.
- Thixotropic slurry with enhanced reliability for use in a wellbore8 Sep 2026US 12,729,335 B2Halliburton Energy Services.Inc.
- Methods of repairing casings using a red mud sealant composition25 Aug 2026US 12,715,811 B2Saudi Arabian Oil Company
- Thixotropic slurry with enhanced reliability for use in a wellbore21 Jul 2026US 12,686,805 B2Halliburton Energy Services.Inc.
- Dry grinding of steel making slag, ground steel making slag, and its use in construction materials30 Jun 2026US 12,668,543 B2Sika Technology AG
- Stabilizing admixture for mineral binder compositions24 Sep 2026US 2026/0285758 A1Sika Technology AG
- Method for improving workability of inorganic binder composition, and inorganic binder composition24 Sep 2026US 2026/0285759 A1Sika Technology AG
- Mineral fiber product6 Aug 2026US 2026/0226734 A1Rockwool A/S
- Compositions and methods for well cementing23 Jul 2026US 2026/0209594 A1Schlumberger Technology Corporation
- Methods of repairing casings using a red mud sealant composition9 Jul 2026US 2026/0193133 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Lightweight well cement compositions and methods181US 5,588,489 AHalliburton Company · 1996
- Methods of cementing in subterranean zones penetrated by well bores using biodegradable dispersants143US 6,681,856 B1Halliburton Energy Services.Inc. · 2004
- Dispersant for concrete mixtures of high salt content141US 4,818,288 ASKW Trostberg Aktiengesellschaft · 1989
- Spacer fluids122US 5,030,366 AAtlantic Richfield Company · 1991
- Drilling and cementing with blast furnace slag/polyalcohol fluid112US 5,361,841 AShell Oil Company · 1994