C08K 5/20
Carboxylic acid amides
C08K5/20 (Carboxylic acid amides) appears on 1,440 US grants and 1,531 published applications in this corpus.
Search patents in C08K- Granted patents
- 1,440
- Published applications
- 1,531
- Assignees
- 818
- Inventors
- 4,293
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 36 | 0 |
| 1977 | 17 | 0 |
| 1978 | 38 | 0 |
| 1979 | 18 | 0 |
| 1980 | 11 | 0 |
| 1981 | 9 | 0 |
| 1982 | 18 | 0 |
| 1983 | 11 | 0 |
| 1984 | 28 | 0 |
| 1985 | 33 | 0 |
| 1986 | 15 | 0 |
| 1987 | 19 | 0 |
| 1988 | 15 | 0 |
| 1989 | 16 | 0 |
| 1990 | 20 | 0 |
| 1991 | 22 | 0 |
| 1992 | 30 | 0 |
| 1993 | 33 | 0 |
| 1994 | 27 | 0 |
| 1995 | 13 | 0 |
| 1996 | 21 | 0 |
| 1997 | 14 | 0 |
| 1998 | 16 | 0 |
| 1999 | 28 | 0 |
| 2000 | 21 | 0 |
| 2001 | 19 | 6 |
| 2002 | 22 | 19 |
| 2003 | 20 | 25 |
| 2004 | 16 | 34 |
| 2005 | 14 | 24 |
| 2006 | 9 | 38 |
| 2007 | 12 | 30 |
| 2008 | 11 | 36 |
| 2009 | 21 | 49 |
| 2010 | 25 | 54 |
| 2011 | 29 | 51 |
| 2012 | 24 | 50 |
| 2013 | 33 | 90 |
| 2014 | 39 | 72 |
| 2015 | 71 | 96 |
| 2016 | 63 | 94 |
| 2017 | 55 | 57 |
| 2018 | 48 | 76 |
| 2019 | 49 | 86 |
| 2020 | 71 | 86 |
| 2021 | 51 | 78 |
| 2022 | 44 | 74 |
| 2023 | 47 | 88 |
| 2024 | 46 | 86 |
| 2025 | 41 | 58 |
| 2026 | 31 | 74 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stabilizer composition for silyl-modified polymer sealants25 Aug 2026US 12,715,980 B2Clariant International Ltd.
- Polypropylene resin composition25 Aug 2026US 12,715,985 B2Sumitomo Chemical Company, Limited
- Water-soluble film and package18 Aug 2026US 12,709,449 B2Kuraray Co., Ltd.
- Curing agents for fluoroelastomers18 Aug 2026US 12,709,658 B2Kalrez USA, LLC
- Marine-biodegradation accelerator11 Aug 2026US 12,703,793 B2Nisshinbo Holdings Inc.
- Foamable Polyurethane Composition Comprising a Fatty Amide8 Oct 2026US 2026/0308307 A1Henkel AG & Co. KGaA
- Process for preparing crystallized polylactide8 Oct 2026US 2026/0308311 A1Totalenergies Corbion BV
- Polymer composition for moulded article8 Oct 2026US 2026/0308357 A1Borealis AG
- Foamable composite resin particles, method of producing the same, foamed particles, method of producing the same, foamed molded article, and automobile member1 Oct 2026US 2026/0297316 A1Sekisui Kasei Co., Ltd.
- Processing aid, and method for obtaining a processing aid24 Sep 2026US 2026/0286070 A1Devinochem GmbH & Co. KG
Most cited
By later US patents
- Radio-opaque polymer biomaterials182US 6,475,477 B1Rutgers, The State University · 2002
- Fibrous glass binders153US 5,340,868 AOwens Corning Fiberglass Technology, Inc. · 1994
- Internal mold release compositions119US 5,576,409 AImperial Chemical Industries PLC · 1996
- Method for curing polymers containing one or more carboxy or anhydride functions and compositions108US 4,076,917 ARohm and Haas Company · 1978
- Stabilized polyester-polycarbonate blends and stabilization process therefor101US 4,452,933 AGeneral Electric Company · 1984