C10M 2219/108
Phenothiazine
C10M2219/108 (Phenothiazine) appears on 483 US grants and 88 published applications in this corpus.
Search patents in C10M- Granted patents
- 483
- Published applications
- 88
- Assignees
- 136
- Inventors
- 722
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 21 | 0 |
| 1978 | 26 | 0 |
| 1979 | 18 | 0 |
| 1980 | 15 | 0 |
| 1981 | 16 | 0 |
| 1982 | 12 | 0 |
| 1983 | 8 | 0 |
| 1984 | 7 | 0 |
| 1985 | 10 | 0 |
| 1986 | 8 | 0 |
| 1987 | 2 | 0 |
| 1988 | 9 | 0 |
| 1989 | 16 | 0 |
| 1990 | 13 | 0 |
| 1991 | 16 | 0 |
| 1992 | 19 | 0 |
| 1993 | 15 | 0 |
| 1994 | 21 | 0 |
| 1995 | 16 | 0 |
| 1996 | 26 | 0 |
| 1997 | 14 | 0 |
| 1998 | 34 | 0 |
| 1999 | 18 | 0 |
| 2000 | 12 | 0 |
| 2001 | 17 | 3 |
| 2002 | 10 | 8 |
| 2003 | 14 | 11 |
| 2004 | 2 | 7 |
| 2005 | 7 | 3 |
| 2006 | 0 | 0 |
| 2007 | 3 | 10 |
| 2008 | 1 | 11 |
| 2009 | 1 | 6 |
| 2010 | 7 | 2 |
| 2011 | 7 | 4 |
| 2012 | 2 | 2 |
| 2013 | 5 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 3 |
| 2018 | 3 | 6 |
| 2019 | 1 | 1 |
| 2020 | 3 | 2 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Phenothiazine compound, its preparation and use in rubber blends and vehicle tires, as ageing protectant, antioxidant, antiozonant and colorant25 Nov 2025US 12,479,810 B2Continental Reifen Deutschland GmbH
- Composition for heat cycle system, and heat cycle system23 Aug 2022US 11,421,138 B2AGC Inc.
- Lubricant treatments for free-radical polymerizations3 Aug 2021US 11,078,441 B2Dow Global Technologies LLC
- Cylinder lubricating oil composition for crosshead diesel engine20 Apr 2021US 10,982,168 B2Eneos Corporation
- Lubricant with sulfur-containing polyalkylene glycol28 Apr 2020US 10,633,607 B2Dow Global Technologies LLC
- Lubricant Compositions Containing Detergent For Reduced Pre-ignition In Hydrogen Fueled Engines19 Jun 2025US 2025/0197764 A1Infineum International Limited
- Phenothiazine compound, its preparation and use in rubber blends and vehicle tires, as ageing protectant, antioxidant, antiozonant and colorant18 Jan 2024US 2024/0018112 A1Continental Reifen Deutschland GmbH
- Composition for heat cycle system, and heat cycle system24 Mar 2022US 2022/0089927 A1AGC Inc.
- Lubricant treatments for free-radical polymerizations3 Sep 2020US 2020/0277544 A1Dow Global Technologies LLC
- Composition for heat cycle system, and heat cycle system6 Feb 2020US 2020/0040242 A1AGC Inc.
Most cited
By later US patents
- Thread sealant and anti-seize compound130US 5,093,015 AJet-Lube, Inc. · 1992
- Polyolefinic copolymer additives for lubricants and fuels123US 4,160,739 ARohm and Haas Company · 1979
- Lubricants containing amino phenol-detergent/dispersant combinations89US 4,100,082 AThe Lubrizol Corporation · 1978
- Dispersants and process for their preparation88US 3,980,569 AThe Lubrizol Corporation · 1976
- Lubricant composition86US 4,105,571 AExxon Research & Engineering Co. · 1978