C08G 18/5021
Having nitrogen
Official title: {having nitrogen}
C08G18/5021 (Having nitrogen) appears on 1,304 US grants and 1,049 published applications in this corpus.
Search patents in C08G- Granted patents
- 1,304
- Published applications
- 1,049
- Assignees
- 468
- Inventors
- 2,920
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 14 | 0 |
| 1978 | 16 | 0 |
| 1979 | 12 | 0 |
| 1980 | 15 | 0 |
| 1981 | 20 | 0 |
| 1982 | 10 | 0 |
| 1983 | 24 | 0 |
| 1984 | 33 | 0 |
| 1985 | 37 | 0 |
| 1986 | 26 | 0 |
| 1987 | 33 | 0 |
| 1988 | 28 | 0 |
| 1989 | 36 | 0 |
| 1990 | 39 | 0 |
| 1991 | 45 | 0 |
| 1992 | 52 | 0 |
| 1993 | 40 | 0 |
| 1994 | 33 | 0 |
| 1995 | 16 | 0 |
| 1996 | 21 | 0 |
| 1997 | 21 | 0 |
| 1998 | 31 | 0 |
| 1999 | 18 | 0 |
| 2000 | 18 | 0 |
| 2001 | 13 | 2 |
| 2002 | 14 | 18 |
| 2003 | 24 | 22 |
| 2004 | 16 | 24 |
| 2005 | 8 | 33 |
| 2006 | 8 | 33 |
| 2007 | 12 | 41 |
| 2008 | 12 | 43 |
| 2009 | 10 | 37 |
| 2010 | 24 | 45 |
| 2011 | 26 | 49 |
| 2012 | 23 | 39 |
| 2013 | 28 | 44 |
| 2014 | 24 | 22 |
| 2015 | 27 | 27 |
| 2016 | 22 | 43 |
| 2017 | 31 | 39 |
| 2018 | 27 | 48 |
| 2019 | 36 | 56 |
| 2020 | 30 | 59 |
| 2021 | 45 | 63 |
| 2022 | 37 | 82 |
| 2023 | 51 | 45 |
| 2024 | 42 | 57 |
| 2025 | 33 | 43 |
| 2026 | 27 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C08G 18/5024Containing primary and/or secondary amino groups634
- C08G 18/5036Containing -n-c=o groups243
- C08G 18/5033Containing carbocyclic groups143
- C08G 18/5054Containing heterocyclic rings having at least one nitrogen atom in the ring38
- C08G 18/5069Prepared from polyepoxy compounds16
- C08G 18/5066Having halogens in addition to nitrogen13
- C08G 18/5051Containing cyano groups8
Recent patents
- Cover coating with good adhesion on polyurethane and polyurea membranes6 Oct 2026US 12,753,267 B2Sika Technology AG
- Polyol composition for producing polyurethan resin, polyurethane resin-forming composition, and polyurethane resin25 Aug 2026US 12,715,955 B2Sanyo Chemical Industries, Ltd.
- Flexible food packaging laminates18 Aug 2026US 12,709,702 B2Sun Chemical Corporation
- Aqueous polyurethane emulsion for ultra-thin polyurethane condom with low modulus and high strength, and preparation method therefor28 Jul 2026US 12,692,340 B2Reckitt Benckiser Health Limited
- Two-part interface materials, systems including the interface material, and methods thereof16 Jun 2026US 12,655,243 B2Ddp Specialty Electronic Materials US, LLC
- Polyurethane insulation foam composition comprising a stabilizing compound17 Sep 2026US 2026/0275024 A1Huntsman International LLC
- Polyurethane foam for cosmetic composition impregnation and method of manufacturing the same20 Aug 2026US 2026/0242533 A1Kolmar Korea Co., Ltd.
- Two-component thermally conductive adhesive20 Aug 2026US 2026/0242646 A1Ddp Specialty Electronic Materials US, LLC
- Reinforced polyurethane rigid foam material and preparation method therefor13 Aug 2026US 2026/0234397 A1Jiangsu Yoke Technology Co., Ltd
- Two-component polyurethane adhesive with durable adhesion to inorganic substrates13 Aug 2026US 2026/0234453 A1Ddp Specialty Electronic Materials US, LLC
Most cited
By later US patents
- Polyurea composition suitable for a golf ball cover525US 5,484,870 AAcushnet Company · 1996
- Hydrophilic polymeric material for coating biosensors509US 6,642,015 B2MiniMed Inc. · 2003
- Abrasive composition and articles incorporating same177US 5,273,558 AMinnesota Mining and Manufacturing Company · 1993
- Hydrophilic polyurethane gel foams, particularly for treating deep wounds, wound dressing based on hydrophilic polyurethane gel foams and method of manufacture132US 5,844,013 ABeiersdorf AG · 1998
- Fluorine and/or silicone containing poly(alkylene-oxide)-block copolymers and contact lenses thereof122US 5,115,056 ACiba-Geigy Corporation · 1992