C04B 24/287
Polyamides
Official title: {Polyamides}
C04B24/287 (Polyamides) appears on 45 US grants and 50 published applications in this corpus.
Search patents in C04B- Granted patents
- 45
- Published applications
- 50
- Assignees
- 28
- Inventors
- 104
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 4 |
| 2015 | 0 | 1 |
| 2016 | 3 | 5 |
| 2017 | 3 | 1 |
| 2018 | 2 | 6 |
| 2019 | 4 | 10 |
| 2020 | 10 | 7 |
| 2021 | 5 | 1 |
| 2022 | 4 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 3 |
| 2025 | 1 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dry grinding of steel making slag, ground steel making slag, and its use in construction materials30 Jun 2026US 12,668,543 B2Sika Technology AG
- Coated-fine-aggregate, concrete composition and method10 Feb 2026US 12,545,620 B2
- Organic silicon nano-precursor medium transmission inhibitor, its preparation method and use21 Oct 2025US 12,448,331 B2Bote New Materials Taizhou Co., Ltd.
- Coated-fine-aggregate, concrete composition and method26 Sep 2023US 11,767,262 B2Aquasmart Enterprises, LLC
- Methods of making and using a high temperature cementitious composition27 Dec 2022US 11,535,789 B1Halliburton Energy Services.Inc.
- Concrete composition for water treatment structure having self-healing and waterproofing capabilities by using self-healing admixture and concrete water treatment structure using same28 May 2026US 2026/0146000 A1HUBCON Co., Ltd.
- Mitigating adverse effects of ettringite in mineral binder compositions26 Feb 2026US 2026/0055031 A1Sika Technology AG
- Wellbore cement structures and related compositions6 Mar 2025US 2025/0074824 A1Saudi Arabian Oil Company
- Organic silicon nano-precursor medium transmission inhibitor, its preparation method and use3 Oct 2024US 2024/0327285 A1Bote New Materials Taizhou Co., Ltd.
- Dry grinding of steel making slag, ground steel making slag, and its use in construction materials30 May 2024US 2024/0174570 A1Sika Technology AG
Most cited
By later US patents
- Methods of cementing in subterranean zones penetrated by well bores using biodegradable dispersants143US 6,681,856 B1Halliburton Energy Services.Inc. · 2004
- Highly efficient cement dispersants52US 6,136,950 AMBT Holding AG · 2000
- Highly efficient cement dispersants42US 6,284,867 B1MBT Holding AG · 2001
- Cement compositions with improved fluid loss characteristics and methods of cementing using such cement compositions28US 7,216,707 B2Halliburton Energy Services.Inc. · 2007
- Dispersant compositions for subterranean well drilling and completion24US 5,292,367 AAtlantic Richfield Company · 1994