C04B 24/045
Esters
Official title: {Esters, e.g. lactones}
C04B24/045 (Esters) appears on 41 US grants and 57 published applications in this corpus.
Search patents in C04B- Granted patents
- 41
- Published applications
- 57
- Assignees
- 40
- Inventors
- 184
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 8 |
| 2016 | 1 | 4 |
| 2017 | 2 | 6 |
| 2018 | 3 | 2 |
| 2019 | 4 | 6 |
| 2020 | 1 | 2 |
| 2021 | 2 | 4 |
| 2022 | 2 | 2 |
| 2023 | 1 | 4 |
| 2024 | 3 | 3 |
| 2025 | 1 | 2 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluidizing compounds for hydraulic compositions23 Dec 2025US 12,503,395 B2Chryso
- Asphalt slurry seal composition19 Nov 2024US 12,145,884 B2Omya International AG
- Plasticizer dedusting agents for joint compounds11 Jun 2024US 12,006,262 B2United States Gypsum Company
- Bionic laminated thermal insulation material30 Apr 2024US 11,969,986 B2Zhengzhou University
- Asphalt binders and bituminous compositions comprising naphthenic acid esters17 Oct 2023US 11,787,740 B2Heritage Research Group
- Method of Forming a Stucco Composition and Products Formed Therefrom1 Oct 2026US 2026/0296964 A1A.M.N (Natanya) Engineering and Consulting, LTD
- Methods for the application in thick layer of cementitious comprising kinetic regulator30 Jul 2026US 2026/0217616 A1Sika Technology AG
- Composition for Artificial Marble and Artificial Marble Manufactured from Same16 Jul 2026US 2026/0200798 A1Lotte Chemical Corporation
- Concrete Composition with Corrosion Inhibitor5 Feb 2026US 2026/0035302 A1
- Additive, cement-based composition containing the additive, and methods of using the same1 Jan 2026US 2026/0001812 A1COCOONCO2 Pte. Ltd.
Most cited
By later US patents
- Well sealing compositions and methods83US 6,068,055 AHalliburton Energy Services.Inc. · 2000
- Binders for cores and molds71US 6,299,677 B1Borden Chemical, Inc. · 2001
- Well sealing compositions and methods66US 6,231,664 B1Halliburton Energy Services.Inc. · 2001
- Thixotroping and set-accelerating additive for mixtures containing a hydraulic binder, process using the additive, apparatus for preparing the mixtures containing a hydraulic binder as well as the additive47US 5,453,123 ASika AG, vorm. Kaspar Winkler & Co. · 1995
- Method of grinding a hydraulic cement29US 4,711,401 AW. R. Grace & Co. · 1987