C08K 5/3467
Having more than two nitrogen atoms in the ring
Official title: having more than two nitrogen atoms in the ring
C08K5/3467 (Having more than two nitrogen atoms in the ring) appears on 2,631 US grants and 2,802 published applications in this corpus.
Search patents in C08K- Granted patents
- 2,631
- Published applications
- 2,802
- Assignees
- 1,080
- Inventors
- 6,891
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 31 | 0 |
| 1977 | 29 | 0 |
| 1978 | 31 | 0 |
| 1979 | 25 | 0 |
| 1980 | 29 | 0 |
| 1981 | 26 | 0 |
| 1982 | 23 | 0 |
| 1983 | 27 | 0 |
| 1984 | 27 | 0 |
| 1985 | 33 | 0 |
| 1986 | 17 | 0 |
| 1987 | 21 | 0 |
| 1988 | 36 | 0 |
| 1989 | 42 | 0 |
| 1990 | 35 | 0 |
| 1991 | 48 | 0 |
| 1992 | 53 | 0 |
| 1993 | 62 | 0 |
| 1994 | 37 | 0 |
| 1995 | 36 | 0 |
| 1996 | 41 | 0 |
| 1997 | 52 | 0 |
| 1998 | 52 | 0 |
| 1999 | 44 | 0 |
| 2000 | 58 | 0 |
| 2001 | 59 | 18 |
| 2002 | 68 | 61 |
| 2003 | 44 | 80 |
| 2004 | 56 | 60 |
| 2005 | 32 | 49 |
| 2006 | 26 | 70 |
| 2007 | 29 | 43 |
| 2008 | 21 | 59 |
| 2009 | 22 | 77 |
| 2010 | 47 | 104 |
| 2011 | 38 | 92 |
| 2012 | 61 | 111 |
| 2013 | 50 | 113 |
| 2014 | 70 | 102 |
| 2015 | 72 | 167 |
| 2016 | 69 | 138 |
| 2017 | 105 | 119 |
| 2018 | 90 | 132 |
| 2019 | 89 | 166 |
| 2020 | 118 | 198 |
| 2021 | 121 | 166 |
| 2022 | 91 | 169 |
| 2023 | 97 | 158 |
| 2024 | 97 | 126 |
| 2025 | 90 | 124 |
| 2026 | 54 | 100 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Release coating compositions and articles therefrom6 Oct 2026US 12,753,325 B23M Innovative Properties Company
- Compositions for elastomeric compounds comprising tetrazole compatibilizing agents and tyres comprising the same29 Sep 2026US 12,747,335 B2Pirelli Tyre S. P. A.
- Polymerizable composition for optical material, optical material, and use thereof29 Sep 2026US 12,747,336 B2Mitsui Chemicals, Inc.
- Image sensor with in-pixel background subtraction and motion detection29 Sep 2026US 12,747,338 B2OmniVision Technologies, Inc.
- Acrylic polyester resin and an aqueous coating composition containing the same15 Sep 2026US 12,735,524 B2PPG Industries Ohio, Inc.
- Polycarbonate-based resin composition and molded article8 Oct 2026US 2026/0308318 A1Idemitsu Kosan Co., Ltd.
- Flame retardant, composition, and molded article1 Oct 2026US 2026/0297296 A1Adeka Corporation
- Composition, polymer, cured product, molded body, and method for producing polymethyl methacrylate24 Sep 2026US 2026/0286016 A1Sumitomo Chemical Company, Limited
- Heat-curing epoxy resin composition suitable for low curing temperature with good storage stability24 Sep 2026US 2026/0286039 A1Sika Technology AG
- Chemical anchor system24 Sep 2026US 2026/0286098 A1Hilti Aktiengesellschaft
Most cited
By later US patents
- Ultraviolet absorbing polymers comprising 2-hydroxy-5-acrylyloxyphenyl-2H-benzotriazoles297US 4,528,311 AIolab Corporation · 1985
- Flame-retardant combination152US 6,255,371 B1Clariant GmbH · 2001
- Stabilization of high solids coatings with synergistic combinations140US 4,619,956 AAmerican Cyanamid Company · 1986
- Novel polytriazine compounds135US 4,086,204 AChimosa Chimica Organica S.p.A. · 1978
- Long-fiber-reinforced flame-retardant polyesters115US 8,962,717 B2BASF SE · 2015