C08K 5/3412
Having one nitrogen atom in the ring
Official title: having one nitrogen atom in the ring
C08K5/3412 (Having one nitrogen atom in the ring) appears on 2,476 US grants and 2,375 published applications in this corpus.
Search patents in C08K- Granted patents
- 2,476
- Published applications
- 2,375
- Assignees
- 1,051
- Inventors
- 6,517
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 37 | 0 |
| 1977 | 33 | 0 |
| 1978 | 45 | 0 |
| 1979 | 17 | 0 |
| 1980 | 35 | 0 |
| 1981 | 18 | 0 |
| 1982 | 35 | 0 |
| 1983 | 39 | 0 |
| 1984 | 35 | 0 |
| 1985 | 36 | 0 |
| 1986 | 34 | 0 |
| 1987 | 39 | 0 |
| 1988 | 41 | 0 |
| 1989 | 39 | 0 |
| 1990 | 44 | 0 |
| 1991 | 59 | 0 |
| 1992 | 49 | 0 |
| 1993 | 55 | 0 |
| 1994 | 51 | 0 |
| 1995 | 47 | 0 |
| 1996 | 40 | 0 |
| 1997 | 41 | 0 |
| 1998 | 48 | 0 |
| 1999 | 45 | 0 |
| 2000 | 34 | 0 |
| 2001 | 28 | 5 |
| 2002 | 41 | 36 |
| 2003 | 27 | 51 |
| 2004 | 24 | 42 |
| 2005 | 27 | 44 |
| 2006 | 29 | 54 |
| 2007 | 17 | 42 |
| 2008 | 24 | 49 |
| 2009 | 21 | 53 |
| 2010 | 43 | 76 |
| 2011 | 25 | 70 |
| 2012 | 27 | 70 |
| 2013 | 42 | 77 |
| 2014 | 56 | 102 |
| 2015 | 80 | 192 |
| 2016 | 93 | 121 |
| 2017 | 118 | 139 |
| 2018 | 95 | 131 |
| 2019 | 90 | 137 |
| 2020 | 83 | 155 |
| 2021 | 109 | 141 |
| 2022 | 88 | 147 |
| 2023 | 81 | 140 |
| 2024 | 86 | 109 |
| 2025 | 79 | 101 |
| 2026 | 47 | 91 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Resin composition, prepreg, film provided with resin, metal foil provided with resin, metal-clad laminate, and wiring board6 Oct 2026US 12,753,301 B2Panasonic Intellectual Property Management Co., Ltd.
- Polyester film for window attachment, and polyester film layered body for window attachment29 Sep 2026US 12,747,327 B2Mitsubishi Chemical Corporation
- Optical film and polarizing plate15 Sep 2026US 12,735,565 B2Tosoh Corporation
- Thermoplastic baling strap25 Aug 2026US 12,715,667 B2D R Baling Wire Manufacturers Ltd
- Stabilizer composition for silyl-modified polymer sealants25 Aug 2026US 12,715,980 B2Clariant International Ltd.
- Tire Comprising a Sidewall with at Least One High-Contrast Sidewall Element8 Oct 2026US 2026/0307434 A1Compagnie Generale Des Etablissements Michelin
- Antidegradant bis(dihydro and tetrahydroquinoline) compounds and uses thereof8 Oct 2026US 2026/0308127 A1Flexsys IP Holdings, LLC
- Elastomer compositions comprising at least one sp2 hybridized carbon allotrope and a 2,5-disubstituted pyrrole derivative8 Oct 2026US 2026/0308352 A1Pirelli Tyre S. P. A.
- Polymer composition for moulded article8 Oct 2026US 2026/0308357 A1Borealis AG
- High load capacity tire with ozone- and blooming-resistant sidewalls1 Oct 2026US 2026/0296103 A1Compagnie Generale Des Etablissements Michelin
Most cited
By later US patents
- Benzofuranone or indolinone compounds useful as stabilizers for organic materials149US 4,325,863 ASandoz Ltd. · 1982
- Stabilization of high solids coatings with synergistic combinations140US 4,619,956 AAmerican Cyanamid Company · 1986
- Benzofuran(2)one or indolin(2)one compounds useful as stabilizers for organic materials128US 4,338,244 ASandoz Ltd. · 1982
- Branched, high-molecular weight thermoplastic polycarbonates125US 4,185,009 ABayer Aktiengesellschaft · 1980
- Coupling system (white filler/diene elastomer) based on polysulphurized alkoxysilane, enamine, and guanidine derivative99US 6,420,488 B1Michelin Recherche et Technique S. A. · 2002