C08K 5/17
Amines
Official title: Amines; Quaternary ammonium compounds
C08K5/17 (Amines) appears on 3,157 US grants and 3,466 published applications in this corpus.
Search patents in C08K- Granted patents
- 3,157
- Published applications
- 3,466
- Assignees
- 1,609
- Inventors
- 9,460
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 54 | 0 |
| 1977 | 57 | 0 |
| 1978 | 69 | 0 |
| 1979 | 33 | 0 |
| 1980 | 38 | 0 |
| 1981 | 38 | 0 |
| 1982 | 24 | 0 |
| 1983 | 25 | 0 |
| 1984 | 35 | 0 |
| 1985 | 31 | 0 |
| 1986 | 38 | 0 |
| 1987 | 26 | 0 |
| 1988 | 28 | 0 |
| 1989 | 39 | 0 |
| 1990 | 33 | 0 |
| 1991 | 36 | 0 |
| 1992 | 45 | 0 |
| 1993 | 54 | 0 |
| 1994 | 32 | 0 |
| 1995 | 23 | 0 |
| 1996 | 27 | 0 |
| 1997 | 32 | 0 |
| 1998 | 36 | 0 |
| 1999 | 40 | 0 |
| 2000 | 40 | 0 |
| 2001 | 38 | 12 |
| 2002 | 38 | 28 |
| 2003 | 37 | 55 |
| 2004 | 37 | 60 |
| 2005 | 27 | 63 |
| 2006 | 31 | 55 |
| 2007 | 33 | 56 |
| 2008 | 25 | 76 |
| 2009 | 38 | 89 |
| 2010 | 43 | 95 |
| 2011 | 44 | 107 |
| 2012 | 54 | 93 |
| 2013 | 69 | 117 |
| 2014 | 77 | 111 |
| 2015 | 103 | 186 |
| 2016 | 123 | 148 |
| 2017 | 104 | 179 |
| 2018 | 111 | 200 |
| 2019 | 131 | 261 |
| 2020 | 178 | 303 |
| 2021 | 187 | 259 |
| 2022 | 146 | 214 |
| 2023 | 173 | 212 |
| 2024 | 158 | 207 |
| 2025 | 129 | 130 |
| 2026 | 90 | 150 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polyamide composite resin composition having high rigidity and low water absorption and molded article comprising the same6 Oct 2026US 12,753,307 B2Hdc Hyundai Engineering Plastics Co., Ltd.
- Polyester film for window attachment, and polyester film layered body for window attachment29 Sep 2026US 12,747,327 B2Mitsubishi Chemical Corporation
- Antimicrobial paint composition22 Sep 2026US 12,742,074 B2Kraton Corporation
- Optical film and polarizing plate15 Sep 2026US 12,735,565 B2Tosoh Corporation
- Polyesteramides, processes for the preparation thereof, and polyesteramide compositions15 Sep 2026US 12,735,568 B2Eastman Chemical Company
- Tire Comprising a Sidewall with at Least One High-Contrast Sidewall Element8 Oct 2026US 2026/0307434 A1Compagnie Generale Des Etablissements Michelin
- Dispersion of titanium dioxide fine particles in organic solvent, method for producing same, and use of same8 Oct 2026US 2026/0308008 A1Ishihara Sangyo Kaisha, Ltd.
- Antidegradant bis(dihydro and tetrahydroquinoline) compounds and uses thereof8 Oct 2026US 2026/0308127 A1Flexsys IP Holdings, LLC
- Manufacturing method of polyethylene furandicarboxylate8 Oct 2026US 2026/0308316 A1Nan Ya Plastics Corporation
- Compositions, uses, and methods8 Oct 2026US 2026/0308341 A1Innospec Limited
Most cited
By later US patents
- Base resistant fluoroelastomers153US 4,694,045 AE. I. Du Pont de Nemours and Company · 1987
- Gels of nonpolar liquids with N-acyl amino acids and derivatives thereof as gelling agents149US 3,969,087 AAjinomoto Co., Inc. · 1976
- Aqueous compositions145US 6,299,936 B1BASF SE · 2001
- Formaldehyde-free aqueous binders139US 6,071,994 ABASF SE · 2000
- Method of breaking metal-crosslinked polymers109US 5,224,546 A1993