C08F 8/30
Introducing nitrogen atoms or nitrogen-containing groups
C08F8/30 (Introducing nitrogen atoms or nitrogen-containing groups) appears on 2,775 US grants and 1,746 published applications in this corpus.
Search patents in C08F- Granted patents
- 2,775
- Published applications
- 1,746
- Assignees
- 1,094
- Inventors
- 5,961
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 51 | 0 |
| 1977 | 60 | 0 |
| 1978 | 40 | 0 |
| 1979 | 63 | 0 |
| 1980 | 33 | 0 |
| 1981 | 46 | 0 |
| 1982 | 24 | 0 |
| 1983 | 26 | 0 |
| 1984 | 27 | 0 |
| 1985 | 24 | 0 |
| 1986 | 28 | 0 |
| 1987 | 30 | 0 |
| 1988 | 46 | 0 |
| 1989 | 55 | 0 |
| 1990 | 66 | 0 |
| 1991 | 70 | 0 |
| 1992 | 72 | 0 |
| 1993 | 86 | 0 |
| 1994 | 98 | 0 |
| 1995 | 74 | 0 |
| 1996 | 71 | 0 |
| 1997 | 98 | 0 |
| 1998 | 82 | 0 |
| 1999 | 89 | 0 |
| 2000 | 80 | 0 |
| 2001 | 74 | 15 |
| 2002 | 54 | 56 |
| 2003 | 64 | 74 |
| 2004 | 47 | 68 |
| 2005 | 33 | 59 |
| 2006 | 46 | 70 |
| 2007 | 44 | 59 |
| 2008 | 27 | 65 |
| 2009 | 30 | 68 |
| 2010 | 57 | 86 |
| 2011 | 42 | 76 |
| 2012 | 51 | 66 |
| 2013 | 64 | 65 |
| 2014 | 63 | 69 |
| 2015 | 54 | 72 |
| 2016 | 82 | 89 |
| 2017 | 77 | 72 |
| 2018 | 59 | 85 |
| 2019 | 58 | 63 |
| 2020 | 65 | 76 |
| 2021 | 60 | 77 |
| 2022 | 45 | 64 |
| 2023 | 49 | 61 |
| 2024 | 39 | 79 |
| 2025 | 31 | 64 |
| 2026 | 21 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Amination method for polystyrene-type resin, and method for immobilizing enzyme using aminated resin6 Oct 2026US 12,753,250 B2Asymchem Laboratories (Tianjin) Co., Ltd.
- Reagents and methods for aliphatic carbon-hydrogen bond functionalization1 Sep 2026US 12,723,112 B2The University of North Carolina at Chapel Hill
- Nitro-substituted aromatic compounds for use in electrodes16 Jun 2026US 12,658,444 B2
- Polymers, methods of making polymers, and methods of coupling oligonucleotides to polymers9 Jun 2026US 12,649,802 B2Illumina, Inc.
- Functional derivatives of maleimide copolymers for nanodisc production19 May 2026US 12,629,341 B2The Governors of the University of Alberta
- Novel Compound and Method for Preparing the Same24 Sep 2026US 2026/0285885 A1LG Chem.Ltd.
- Resin for extracting lithium from lithium precipitation mother liquor, and preparation method and application thereof17 Sep 2026US 2026/0273509 A1Xi'an Lanshen New Material Technology Co., Ltd.
- Curable resin composition and cured product thereof17 Sep 2026US 2026/0275039 A1Nippon Kayaku Kabushiki Kaisha
- Coupled polyethylenes or copolymers of ethylene and 1,3-diene, and process for the preparation thereof10 Sep 2026US 2026/0265418 A1Centre National De La Recherche Scientifique
- Curable fluoropolymer compositions comprising an ammonium hydroxybenzoate catalyst and a bis phthalonitrile-containing compound and cured articles therefrom10 Sep 2026US 2026/0265419 A13M Innovative Properties Company
Most cited
By later US patents
- Aminoplast curable film-forming compositions providing films having resistance to acid etching485US 6,235,858 B1PPG Industries Ohio, Inc. · 2001
- One component EUV photoresist477US 7,005,227 B2Intel Corporation · 2006
- Enhancing the hydrophilicity of silicone polymers412US 5,397,848 AAllergan, Inc. · 1995
- Reactive silicone and/or fluorine containing hydrophilic prepolymers and polymers thereof337US 5,010,141 ACiba-Geigy Corporation · 1991
- Polyisobutenes289US 4,152,499 ABASF SE · 1979