C10L 1/226
Containing at least one nitrogen-to-nitrogen bond
Official title: containing at least one nitrogen-to-nitrogen bond, e.g. azo compounds, azides, hydrazines {(C10L1/221 takes precedence)}
C10L1/226 (Containing at least one nitrogen-to-nitrogen bond) appears on 110 US grants and 62 published applications in this corpus.
Search patents in C10L- Granted patents
- 110
- Published applications
- 62
- Assignees
- 47
- Inventors
- 212
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 10 | 0 |
| 1997 | 9 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 0 |
| 2003 | 2 | 3 |
| 2004 | 1 | 7 |
| 2005 | 2 | 3 |
| 2006 | 0 | 3 |
| 2007 | 2 | 2 |
| 2008 | 2 | 6 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 2 | 5 |
| 2012 | 1 | 2 |
| 2013 | 2 | 5 |
| 2014 | 1 | 4 |
| 2015 | 2 | 3 |
| 2016 | 3 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 0 | 0 |
| 2020 | 2 | 3 |
| 2021 | 2 | 3 |
| 2022 | 1 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 3 |
| 2025 | 1 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compositions and methods for marking hydrocarbon compositions with non-mutagenic dyes17 Mar 2026US 12,577,484 B2United Color Manufacturing, Inc.
- Fuel composition comprising detergent and quaternary ammonium salt additive10 Mar 2026US 12,570,914 B2Innospec Limited
- Organic ammonium salts with traceability and detergent dispersant properties to liquid fuels and processes for their synthesis23 Sep 2025US 12,421,186 B2Instituto Mexicano Del Petroleo
- Solid addition-type diesel environmental protection anti-smoke additive and method for preparing the same26 Nov 2024US 12,152,208 B2
- Compositions and methods for marking hydrocarbon compositions with non-mutagenic dyes18 Jul 2023US 11,702,606 B2United Color Manufacturing, Inc.
- Organic ammonium salts with traceability and detergent dispersant properties to liquid fuels and processes for their synthesis30 Oct 2025US 2025/0333374 A1Instituto Mexicano Del Petroleo
- Clean-burning aviation gasoline additive to eliminate valve seat recession and deposits31 Oct 2024US 2024/0360375 A1Swift Fuels, LLC
- Solid addition-type diesel environmental protection anti-smoke additive and method for preparing the same12 Sep 2024US 2024/0301310 A1
- Organic ammonium salts with traceability and detergent dispersant properties to liquid fuels and processes for their synthesis13 Jun 2024US 2024/0190812 A1Instituto Mexicano Del Petroleo
- Compositions and methods for marking hydrocarbon compositions with non-mutagenic dyes12 Oct 2023US 2023/0326968 A1United Color Manufacturing, Inc.
Most cited
By later US patents
- Composition as an additive to create clear stable solutions and microemulsions with a combustible liquid fuel to improve combustion51US 6,348,074 B2Saga Fuel Systems, Inc. · 2002
- Gasoline composition for reducing intake valve deposits in port fuel injected engines32US 5,006,130 AShell Oil Company · 1991
- Stabilizers for the prevention of gum formation in gasoline32US 5,711,767 ACiba Specialty Chemicals Corporation · 1998
- Hydrocarbyl substituted carboxylic acylating agent derivative containing combinations, and fuels containing same31US 4,565,550 A1986
- Method for invisibly tagging petroleum products using visible dyes29US 6,274,381 B1Rohm and Haas Company · 2001