C04B 26/20
Polyamides
C04B26/20 (Polyamides) appears on 24 US grants and 32 published applications in this corpus.
Search patents in C04B- Granted patents
- 24
- Published applications
- 32
- Assignees
- 30
- Inventors
- 73
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 1 | 2 |
| 2016 | 2 | 3 |
| 2017 | 4 | 5 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 3 |
| 2021 | 0 | 4 |
| 2022 | 4 | 2 |
| 2023 | 4 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-healing polymer-modified cements for ambient temperature applications14 Apr 2026US 12,600,669 B2Battelle Memorial Institute
- Composites for reducing noise11 Nov 2025US 12,466,941 B2Imerys USA, Inc.
- Emulsion compositions for priming a pavement surface7 Nov 2023US 11,807,759 B2Ecolab USA Inc.
- Photoluminescent premixed compositions, related methods and uses15 Aug 2023US 11,725,140 B2Alliance Designer Products Inc.
- Wall compounds and methods of use4 Apr 2023US 11,618,712 B23M Innovative Properties Company
- Rapid-set construction material for 3d printing of sustainable infrastructure8 Oct 2026US 2026/0307293 A1Oregon State University
- Resin composition, method for its preparation and articles prepared therefrom7 May 2026US 2026/0125541 A1Carysil Limited
- Self-healing polymer-modified cements for ambient temperature applications6 Apr 2023US 2023/0109371 A1Battelle Memorial Institute
- Wall compounds and methods of use2 Jun 2022US 2022/0169568 A13M Innovative Properties Company
- Photoluminescent premixed compositions, related methods and uses26 May 2022US 2022/0162122 A1Alliance Designer Products Inc.
Most cited
By later US patents
- Polymer concrete having high bond strength and long working time28US 4,816,503 AThe Dow Chemical Company · 1989
- Mounting pad and method for deterring theft and securing outdoor equipment and appliances against high winds11US 10,408,493 B1Mainstream Engineering Corporation · 2019
- Composition providing through plane thermal conductivity5US 7,723,419 B1Ovation Polymer Technology and Engineered Materials, Inc. · 2010
- Cementing a wellbore using cementing material encapsulated in a shell5US 9,416,619 B2Apache Corporation · 2016
- Method of producing a composite material using a mixing system4US 9,464,003 B2BASF SE · 2016