C04B 2103/0086
Chelating or complexing agents
Official title: {Chelating or complexing agents}
C04B2103/0086 (Chelating or complexing agents) appears on 38 US grants and 33 published applications in this corpus.
Search patents in C04B- Granted patents
- 38
- Published applications
- 33
- Assignees
- 24
- Inventors
- 89
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 2 |
| 2005 | 0 | 3 |
| 2006 | 4 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 6 |
| 2011 | 2 | 1 |
| 2012 | 0 | 3 |
| 2013 | 4 | 2 |
| 2014 | 1 | 2 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 3 |
| 2020 | 2 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 2 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing a concrete formulated on the basis of activated slag10 Feb 2026US 12,545,622 B2Ecocem Materials Limited
- Process for preparing metal-chelate retarder by sol-gel method14 Mar 2023US 11,603,488 B2CNPC Bohai Drilling Engineering Company Limited
- Joint compounds and plasters with a complexometric dye and methods1 Feb 2022US 11,236,234 B2United States Gypsum Company
- Capsule design for the capture of reagents4 May 2021US 10,995,254 B2Saudi Arabian Oil Company
- Capsule design for the capture of reagents28 Jul 2020US 10,723,932 B2Saudi Arabian Oil Company
- Thiol / sulfide containing concrete composition3 Jul 2025US 2025/0214896 A1Yarmouk University
- Method for manufacturing a concrete formulated on the basis of activated slag3 Aug 2023US 2023/0242447 A1Ecocem Materials Limited
- Barite for heavy metal removal8 Jun 2023US 2023/0174426 A1Omya International AG
- Process for preparing metal-chelate retarder by sol-gel method18 Mar 2021US 2021/0079288 A1CNPC Bohai Drilling Engineering Company Limited
- Capsule design for the capture of reagents19 Mar 2020US 2020/0087564 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Reduced-carbon footprint concrete compositions122US 7,815,880 B2Calera Corporation · 2010
- CO2-sequestering formed building materials109US 8,006,446 B2Calera Corporation · 2011
- Method of using thixotropic cements for combating gas migration problems103US 4,524,828 AHalliburton Company · 1985
- CO2-sequestering formed building materials101US 7,771,684 B2Calera Corporation · 2010
- Method of using thixotropic cements for combating lost circulation problems80US 4,515,216 AHalliburton Company · 1985