C09K 15/16
Containing nitrogen
Official title: containing nitrogen
C09K15/16 (Containing nitrogen) appears on 118 US grants and 116 published applications in this corpus.
Search patents in C09K- Granted patents
- 118
- Published applications
- 116
- Assignees
- 85
- Inventors
- 294
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 4 |
| 2008 | 3 | 3 |
| 2009 | 3 | 3 |
| 2010 | 4 | 3 |
| 2011 | 1 | 4 |
| 2012 | 0 | 3 |
| 2013 | 2 | 3 |
| 2014 | 2 | 2 |
| 2015 | 2 | 5 |
| 2016 | 1 | 8 |
| 2017 | 5 | 10 |
| 2018 | 3 | 5 |
| 2019 | 10 | 12 |
| 2020 | 5 | 12 |
| 2021 | 11 | 7 |
| 2022 | 6 | 6 |
| 2023 | 6 | 3 |
| 2024 | 9 | 7 |
| 2025 | 6 | 5 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydrocarbon functionalized polyamines for corrosion inhibition4 Aug 2026US 12,698,256 B2Ecolab USA Inc.
- Compositions for increasing nitrogen sources life span in plant growth mediums and methods of making7 Oct 2025US 12,435,011 B2Soilgenic Technologies, LLC
- Abating unwanted emulsion polymerization during extractive distillation of conjugated diene monomers30 Sep 2025US 12,428,360 B2Ecolab USA Inc.
- Non-aqueous organo liquid delivery systems containing dispersed organo polycarboxylate functionalities that improves efficiencies and properties of nitrogen sources16 Sep 2025US 12,415,767 B2Soilgenic Technologies, LLC
- Compositions and methods comprising nitrification inhibitors containing a mixture of protic and aprotic solvent systems1 Jul 2025US 12,344,568 B2Soilgenic Technologies, LLC
- Lubricant Compositions Containing Phenolic Antioxidants and Alkyl Alcohols For Use in Internal Combustion Engines23 Jul 2026US 2026/0209626 A1
- Release agent and corrosion inhibitor formulation and method of use2 Jul 2026US 2026/0184992 A1Polymer Solutions Group
- Corrosion inhibitor having silica nanoparticles25 Jun 2026US 2026/0176531 A1ChampionX LLC
- Compositions for increasing nitrogen sources life span in plant growth mediums and methods of making7 May 2026US 2026/0125331 A1Soilgenic Technologies, LLC
- Non-Aqueous Organo Liquid Delivery Systems containing dispersed Organo Polycarboxylate Functionalities that improves efficiencies and properties of nitrogen sources4 Dec 2025US 2025/0366479 A1Soilgenic Technologies, LLC
Most cited
By later US patents
- Amino polycarboxylic acid compounds as oxygen scavengers50US 5,202,052 AAquanautics Corporation · 1993
- Liquid antioxidant produced by alkylating diphenylamine with a molar excess of diisobutylene42US 4,824,601 ACiba-Geigy Corporation · 1989
- Polymeric antioxidants40US 7,223,432 B2The United States of America as represented by the Secretary of the Army · 2007
- N,N'-bis-aromaticformamidines useful as sunscreening agents37US 4,085,062 AGivaudan SA · 1978
- Lubricant compositions containing N-substituted naphthylamines as antioxidants20US 3,944,492 AUniroyal, Inc. · 1976