C08C 19/22
Incorporating nitrogen atoms into the molecule
C08C19/22 (Incorporating nitrogen atoms into the molecule) appears on 489 US grants and 658 published applications in this corpus.
Search patents in C08C- Granted patents
- 489
- Published applications
- 658
- Assignees
- 162
- Inventors
- 1,041
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 2 |
| 2004 | 1 | 8 |
| 2005 | 0 | 2 |
| 2006 | 5 | 6 |
| 2007 | 2 | 2 |
| 2008 | 3 | 6 |
| 2009 | 0 | 7 |
| 2010 | 4 | 9 |
| 2011 | 3 | 11 |
| 2012 | 6 | 10 |
| 2013 | 11 | 35 |
| 2014 | 12 | 30 |
| 2015 | 20 | 21 |
| 2016 | 25 | 38 |
| 2017 | 36 | 56 |
| 2018 | 37 | 61 |
| 2019 | 44 | 59 |
| 2020 | 45 | 57 |
| 2021 | 42 | 40 |
| 2022 | 38 | 68 |
| 2023 | 18 | 48 |
| 2024 | 32 | 32 |
| 2025 | 38 | 32 |
| 2026 | 11 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rubber composition4 Aug 2026US 12,698,382 B2Compagnie Generale Des Etablissements Michelin
- Rubber composition, and tire19 May 2026US 12,630,696 B2Asahi Kasei Kabushiki Kaisha
- Method for cleaving coordinate bond of complex polymer5 May 2026US 12,617,927 B2Bridgestone Corporation
- Functional ethylene and 1,3-diene copolymers5 May 2026US 12,617,939 B2Compagnie Generale Des Etablissements Michelin
- Terminally modified diene-based polymer and method for producing the same21 Apr 2026US 12,606,642 B2Toyo Tire Corporation
- Functional ethylene and 1,3-diene copolymers27 Aug 2026US 2026/0250497 A1Compagnie Generale Des Etablissements Michelin
- Conjugated diene - vinyl aromatic hydrocarbon copolymer and method thereof20 Aug 2026US 2026/0242575 A1TSRC Corporation
- Modifier, Modified Conjugated Diene-Based Polymer Comprising Same, and Method for Preparing the Polymer13 Aug 2026US 2026/0234298 A1LG Chem.Ltd.
- Compound and Method for Producing the Same30 Jul 2026US 2026/0217741 A1LG Chem.Ltd.
- Cured rubber network with covalent and hydrogen-bonded crosslinks30 Jul 2026US 2026/0217870 A1Bridgestone Corporation
Most cited
By later US patents
- Polymerization process and polymers produced thereby194US 4,581,429 ACommonwealth Scientific and Industrial Research Organization · 1986
- Method for modifying rubbers68US 4,677,153 ANippon Zeon Co., Ltd. · 1987
- Graft copolymer coated reinforcing agents35US 4,107,110 ATexaco Inc. · 1978
- Compound containing an oxamic acid group, a process for producing the compound, and a resin composition containing the compound35US 5,663,262 ANippon Paint Co., Ltd. · 1997
- Phosphinimine modification of organic polymers and silicones34US 6,339,166 B12002