C04B 24/121
Amines, polyamines
Official title: {Amines, polyamines}
C04B24/121 (Amines, polyamines) appears on 90 US grants and 118 published applications in this corpus.
Search patents in C04B- Granted patents
- 90
- Published applications
- 118
- Assignees
- 61
- Inventors
- 290
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 2 | 0 |
| 2012 | 1 | 3 |
| 2013 | 1 | 6 |
| 2014 | 0 | 4 |
| 2015 | 6 | 6 |
| 2016 | 7 | 10 |
| 2017 | 5 | 10 |
| 2018 | 5 | 8 |
| 2019 | 8 | 13 |
| 2020 | 12 | 11 |
| 2021 | 8 | 9 |
| 2022 | 5 | 3 |
| 2023 | 5 | 7 |
| 2024 | 4 | 10 |
| 2025 | 3 | 2 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pavement repair compositions, kits, and methods18 Aug 2026US 12,709,574 B2
- Methods and compositions for polymer concrete and polymer mortar28 Jul 2026US 12,692,193 B2Saudi Arabian Oil Company
- Method and composition for constructing scientifically engineered and constructed unpaved runways2 Jun 2026US 12,643,822 B2Midwest Industrial Supply, Inc.
- High compressive strength polymer grout and method of making26 May 2026US 12,637,390 B2Five Star Products, Inc.
- High strength concrete admixture21 Apr 2026US 12,606,486 B2The Euclid Chemical Company
- High Compressive Strength Polymer Construction Shim10 Sep 2026US 2026/0265141 A1
- Hardening accelerator composition for cementitious compositions, cementitious composition and process for accelerating the hardening of a cementitious composition27 Aug 2026US 2026/0250198 A1Construction Research & Technology GmbH
- Methods of reducing circulation loss in a wellbore using a red mud sealant composition9 Jul 2026US 2026/0193521 A1Saudi Arabian Oil Company
- Cement composition and hydraulic composition25 Jun 2026US 2026/0176196 A1Taiheiyo Cement Corporation
- Paving material composition and structure26 Mar 2026US 2026/0085008 A1Mitsubishi Gas Chemical Company, Inc.
Most cited
By later US patents
- Amine-based consistency reducers for gypsum stucco slurries36US 5,151,130 AThe Dow Chemical Company · 1992
- Additives for mineral building materials containing cement22US 6,545,067 B1BASF SE · 2003
- Cationic and anionic lignin amines18US 4,775,744 AWestvaco Corporation · 1988
- Functionalized polymers containing amine groupings and their use as retarders in cement slurries14US 5,368,642 AHalliburton Company · 1994
- Calcium-silicate-based porous particles, composition, method of making and use thereof13US 10,882,751 B2C-Crete Technologies, LLC · 2021