C08G 18/285
Nitrogen containing compounds
Official title: {Nitrogen containing compounds}
C08G18/285 (Nitrogen containing compounds) appears on 496 US grants and 529 published applications in this corpus.
Search patents in C08G- Granted patents
- 496
- Published applications
- 529
- Assignees
- 261
- Inventors
- 1,502
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 13 | 0 |
| 1997 | 5 | 0 |
| 1998 | 14 | 0 |
| 1999 | 12 | 0 |
| 2000 | 19 | 0 |
| 2001 | 14 | 2 |
| 2002 | 7 | 9 |
| 2003 | 13 | 10 |
| 2004 | 8 | 20 |
| 2005 | 9 | 17 |
| 2006 | 7 | 18 |
| 2007 | 4 | 15 |
| 2008 | 8 | 23 |
| 2009 | 9 | 16 |
| 2010 | 10 | 17 |
| 2011 | 15 | 15 |
| 2012 | 10 | 17 |
| 2013 | 13 | 13 |
| 2014 | 11 | 12 |
| 2015 | 13 | 17 |
| 2016 | 16 | 13 |
| 2017 | 15 | 15 |
| 2018 | 7 | 12 |
| 2019 | 18 | 21 |
| 2020 | 9 | 31 |
| 2021 | 10 | 38 |
| 2022 | 27 | 60 |
| 2023 | 11 | 45 |
| 2024 | 27 | 27 |
| 2025 | 40 | 26 |
| 2026 | 17 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Environmentally biodegradable compositions comprising an amino acid adduct, controlled release particles and compositions comprising same, and methods of making same1 Sep 2026US 12,723,125 B2Trucapsol LLC
- Water-dispersible polyisocyanate, aqueous polyurethane resin composition, and article25 Aug 2026US 12,715,956 B2Mitsui Chemicals, Inc.
- Latent reactive adhesive preparations4 Aug 2026US 12,698,428 B2Covestro Deutschland AG
- Aziridinyl functional compound26 May 2026US 12,637,423 B2Covestro (Netherlands) B.V.
- Two-component polyurethane adhesive composition for film lamination in hot filling application26 May 2026US 12,637,599 B2Henkel AG & Co. KGaA
- Polyurethane urea and its preparation method20 Aug 2026US 2026/0242529 A1BASF SE
- Polyether ester polyol, preparation method therefor, and method for preparing polyurethane elastomer by using polyether ester polyol13 Aug 2026US 2026/0234325 A1Zhengzhou Zhongyuan Spandex Engineering Technology Co., Ltd
- Method for coating a substrate13 Aug 2026US 2026/0234411 A1Lamberti SPA
- Urea (meth)acrylate or urea-urethane (meth)acrylate oligomer, compositions comprising same and uses thereof30 Jul 2026US 2026/0217901 A1Arkema France
- Polyurethane dispersion, gas barrier coating material, and method for producing polyurethane dispersion30 Jul 2026US 2026/0218005 A1Mitsui Chemicals, Inc.
Most cited
By later US patents
- Surface-modifying endgroups for biomedical polymers517US 5,589,563 AThe Polymer Technology Group · 1996
- Systems for premeating molecules of predetermined molecular weight range361US 5,756,632 AThe Polymer Technology Group · 1998
- Copolymers and non-porous, semi-permeable membrane thereof and its use for permeating molecules of predetermined molecular weight range303US 5,428,123 AThe Polymer Technology Group · 1995
- Phase change ink formulation using an isocyanate-derived wax and a clear ink carrier base115US 5,919,839 ATektronix, Inc. · 1999
- Isocyanate-derived materials for use in phase change ink jet inks95US 5,782,966 ATektronix, Inc. · 1998