C10M 133/28
Azo compounds
C10M133/28 (Azo compounds) appears on 23 US grants and 17 published applications in this corpus.
Search patents in C10M- Granted patents
- 23
- Published applications
- 17
- Assignees
- 16
- Inventors
- 54
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 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.
- Compositions and methods for marking hydrocarbon compositions with non-mutagenic dyes18 Jul 2023US 11,702,606 B2United Color Manufacturing, Inc.
- Compositions and methods for marking hydrocarbon compositions with non-mutagenic dyes15 Sep 2020US 10,774,280 B2United Color Manufacturing, Inc.
- Corrosion inhibiting hydraulic fluid additive2 Jun 2020US 10,669,503 B2
- Dielectric fluids having reduced streamer speed23 Oct 2018US 10,109,388 B2ABB Research Ltd.
- Compositions and methods for marking hydrocarbon compositions with non-mutagenic dyes12 Oct 2023US 2023/0326968 A1United Color Manufacturing, Inc.
- Compositions and Methods for Marking Hydrocarbon Compositions With Non-Mutagenic Dyes7 Jan 2021US 2021/0002570 A1United Color Manufacturing, Inc.
- Compositions and Methods for Marking Hydrocarbon Compositions With Non-Mutagenic Dyes18 Jan 2018US 2018/0016506 A1United Color Manufacturing, Inc.
- Corrosion inhibiting hydraulic fluid additive29 Jun 2017US 2017/0183599 A1
- Bioderived biodegradable lubricant29 Sep 2016US 2016/0281025 A1
Most cited
By later US patents
- Fluorinated greases42US 6,025,307 AAusimont S. p. A. · 2000
- Multifunctional lubricant additive37US 5,885,942 ANCH Corporation · 1999
- Biodegradable lubricants and functional fluids13US 5,595,966 AEthyl Petroleum Additives, Inc. · 1997
- Base extractable petroleum markers12US 5,252,106 AMorton International, Inc. · 1993
- Azo dyes and a method of making a hydrocarbon using an azo dye12US 5,827,332 ABASF SE · 1998