C04B 24/161
Macromolecular compounds comprising sulfonate or sulfate groups
Official title: {Macromolecular compounds comprising sulfonate or sulfate groups}
C04B24/161 (Macromolecular compounds comprising sulfonate or sulfate groups) appears on 257 US grants and 241 published applications in this corpus.
Search patents in C04B- Granted patents
- 257
- Published applications
- 241
- Assignees
- 129
- Inventors
- 725
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 11 | 0 |
| 2001 | 15 | 3 |
| 2002 | 17 | 7 |
| 2003 | 4 | 17 |
| 2004 | 11 | 14 |
| 2005 | 11 | 8 |
| 2006 | 9 | 8 |
| 2007 | 8 | 10 |
| 2008 | 3 | 12 |
| 2009 | 4 | 3 |
| 2010 | 5 | 8 |
| 2011 | 5 | 11 |
| 2012 | 8 | 7 |
| 2013 | 7 | 8 |
| 2014 | 5 | 11 |
| 2015 | 6 | 5 |
| 2016 | 7 | 9 |
| 2017 | 16 | 11 |
| 2018 | 9 | 15 |
| 2019 | 4 | 14 |
| 2020 | 11 | 14 |
| 2021 | 8 | 7 |
| 2022 | 8 | 4 |
| 2023 | 3 | 11 |
| 2024 | 7 | 11 |
| 2025 | 6 | 9 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polymer having dispersing function, oil well cement dispersant, and preparation method therefor and use thereof25 Aug 2026US 12,715,812 B2China Petroleum & Chemical Corporation
- Air-dry sculptural and modeling clay17 Mar 2026US 12,577,160 B2Form Flex Compound
- Geopolymer compositions and methods24 Feb 2026US 12,559,662 B2Schlumberger Technology Corporation
- Cementitious composition comprising a polymeric micro-gel as an anti-gas migration agent6 Jan 2026US 12,516,235 B2Snf Group
- Non-hydration strength in cementitious compositions14 Oct 2025US 12,441,658 B2GCP Applied Technologies Inc.
- Polymer and polymer emulsion, preparation method therefor, cement slurry, and application of polymer and polymer emulsion30 Jul 2026US 2026/0217885 A1China Petroleum & Chemical Corporation
- Fluid loss control for geopolymer system30 Jul 2026US 2026/0218035 A1Schlumberger Technology Corporation
- Silver containing crosslinked polymers as admixture in cementitious compositions2 Jul 2026US 2026/0184635 A1Katholieke Universiteit Leuven
- Geopolymer compositions and methods2 Jul 2026US 2026/0184982 A1Schlumberger Technology Corporation
- Use of enzymatic carbonate precipitation to rapidly bind materials in low moisture conditions13 Nov 2025US 2025/0346526 A1Allonnia, LLC
Most cited
By later US patents
- Hydrolytically stable polymers for use in oil field cementing methods and compositions237US 4,555,269 AHalliburton Company · 1985
- Cementing multi-lateral wells232US 5,588,488 AHalliburton Company · 1996
- Hydrolytically stable polymers for use in oil field cementing methods and compositions195US 4,515,635 AHalliburton Company · 1985
- Cementitious compositions and methods155US 5,458,195 AHalliburton Company · 1995
- Cementitious compositions147US 5,569,324 AHalliburton Company · 1996