C04B 24/16
Sulfur-containing compounds
C04B24/16 (Sulfur-containing compounds) appears on 640 US grants and 497 published applications in this corpus.
Search patents in C04B- Granted patents
- 640
- Published applications
- 497
- Assignees
- 308
- Inventors
- 1,607
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 9 | 0 |
| 1978 | 9 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 11 | 0 |
| 1985 | 14 | 0 |
| 1986 | 9 | 0 |
| 1987 | 13 | 0 |
| 1988 | 10 | 0 |
| 1989 | 6 | 0 |
| 1990 | 10 | 0 |
| 1991 | 12 | 0 |
| 1992 | 19 | 0 |
| 1993 | 19 | 0 |
| 1994 | 19 | 0 |
| 1995 | 13 | 0 |
| 1996 | 11 | 0 |
| 1997 | 10 | 0 |
| 1998 | 12 | 0 |
| 1999 | 9 | 0 |
| 2000 | 17 | 0 |
| 2001 | 20 | 4 |
| 2002 | 21 | 10 |
| 2003 | 7 | 22 |
| 2004 | 14 | 20 |
| 2005 | 16 | 10 |
| 2006 | 13 | 13 |
| 2007 | 12 | 14 |
| 2008 | 6 | 17 |
| 2009 | 5 | 4 |
| 2010 | 6 | 10 |
| 2011 | 6 | 19 |
| 2012 | 12 | 14 |
| 2013 | 10 | 15 |
| 2014 | 9 | 22 |
| 2015 | 18 | 24 |
| 2016 | 16 | 24 |
| 2017 | 27 | 26 |
| 2018 | 18 | 33 |
| 2019 | 18 | 29 |
| 2020 | 23 | 31 |
| 2021 | 21 | 26 |
| 2022 | 15 | 14 |
| 2023 | 12 | 27 |
| 2024 | 22 | 31 |
| 2025 | 15 | 21 |
| 2026 | 16 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dual-scale toughened cement-based composite material and use thereof6 Oct 2026US 12,753,118 B2Qingdao University of Technology
- Process of making sulfonated lignin-based compositions, sulfonated lignin-based compositions so-obtained and their use29 Sep 2026US 12,747,259 B2Rg Dispersants Ltd.
- Deflocculation additives for wellbore servicing fluid additives15 Sep 2026US 12,735,620 B2Halliburton Energy Services.Inc.
- Foamed liquefiers in gypsum boards8 Sep 2026US 12,729,165 B2Knauf Gips KG
- Polymer having dispersing function, oil well cement dispersant, and preparation method therefor and use thereof25 Aug 2026US 12,715,812 B2China Petroleum & Chemical Corporation
- Method of Forming a Stucco Composition and Products Formed Therefrom1 Oct 2026US 2026/0296964 A1A.M.N (Natanya) Engineering and Consulting, LTD
- Composition for adjusting of air pores in building products in the presence of sulfate-based superplasticizers1 Oct 2026US 2026/0296976 A1BASF SE
- Two-component mortar composition with temperature-responsive inhibitor17 Sep 2026US 2026/0274750 A1Hilti Aktiengesellschaft
- 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
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
- Method of reducing fluid loss in cement compositions which may contain substantial salt concentrations203US 4,676,317 AHalliburton Company · 1987
- Hydrolytically stable polymers for use in oil field cementing methods and compositions195US 4,515,635 AHalliburton Company · 1985
- Lightweight well cement compositions and methods181US 5,588,489 AHalliburton Company · 1996