C04B 24/04
Carboxylic acids
Official title: Carboxylic acids; Salts, anhydrides or esters thereof
C04B24/04 (Carboxylic acids) appears on 266 US grants and 330 published applications in this corpus.
Search patents in C04B- Granted patents
- 266
- Published applications
- 330
- Assignees
- 214
- Inventors
- 915
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 4 |
| 2004 | 3 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 4 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 8 |
| 2012 | 3 | 3 |
| 2013 | 6 | 7 |
| 2014 | 2 | 5 |
| 2015 | 5 | 20 |
| 2016 | 6 | 13 |
| 2017 | 11 | 23 |
| 2018 | 13 | 30 |
| 2019 | 19 | 34 |
| 2020 | 26 | 26 |
| 2021 | 21 | 16 |
| 2022 | 18 | 19 |
| 2023 | 15 | 32 |
| 2024 | 14 | 37 |
| 2025 | 15 | 16 |
| 2026 | 15 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Manufacturing process and composition of concrete additive1 Sep 2026US 12,723,003 B2Moshe 3000 Materiais De ConstrucãO Ltda
- Hydrophobic admixture and processes for making same1 Sep 2026US 12,723,007 B2Drymax Global LLC
- Dry cementitious material mixture for 3D-printing25 Aug 2026US 12,715,813 B2Holcim Technology Ltd
- Hydraulic binder with low carbon footprint and high early strength18 Aug 2026US 12,709,575 B2ImerTech SAS
- Dry grinding of steel making slag, ground steel making slag, and its use in construction materials30 Jun 2026US 12,668,543 B2Sika Technology AG
- Method of Forming a Stucco Composition and Products Formed Therefrom1 Oct 2026US 2026/0296964 A1A.M.N (Natanya) Engineering and Consulting, LTD
- Quick-setting magnesium based cement and concrete27 Aug 2026US 2026/0250191 A1ZS2 Technologies Ltd.
- Powder composition, mortar material for additive manufacturing, molded object, and method for manufacturing molded object20 Aug 2026US 2026/0242287 A1Polyuse Co., Ltd.
- Cement additives for rapid strength development20 Aug 2026US 2026/0242288 A1CemVision AB
- Novel ladle slag-based composition13 Aug 2026US 2026/0234054 A1Kerakoll S.P.A.
Most cited
By later US patents
- Well sealing compositions and methods83US 6,068,055 AHalliburton Energy Services.Inc. · 2000
- Admixtures and method for accelerating the setting of portland cement compositions80US 4,264,367 ASika Chemical Corporation · 1981
- Methods of cementing subterranean zones79US 6,227,294 B1Halliburton Energy Services.Inc. · 2001
- Binders for cores and molds71US 6,299,677 B1Borden Chemical, Inc. · 2001
- Process for the oxidation of di-, tri-, Oligo- and polysaccharides into polyhydroxycarboxylic acids, catalyst used and products thus obtained70US 4,985,553 ARoquette Freres · 1991