Anti-oxidant compositions
Official title: Anti-oxidant compositions; Compositions inhibiting chemical change ({for use in well-specified applications, see the relevant places, e.g. in etching or pickling compositions C09K13/00, C23G} , in foodstuffs A21D, A23, {in association with organic compounds C07C, C07D} , in macromolecular compositions C08; in liquid fuels or lubricants C10; in fats, fatty substances, fatty oils or waxes C11B5/00; in detergents C11D; {coating or impregnating carbon or graphite based bodies to protect them from oxidation C04B41/45} ; corrosion inhibiting compositions for metallic material C23F11/00)
C09K15/00 (Anti-oxidant compositions) appears on 1,345 US grants and 967 published applications in this corpus.
Search patents in C09K- Granted patents
- 1,345
- Published applications
- 967
- Assignees
- 616
- Inventors
- 2,632
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 64 | 0 |
| 1977 | 48 | 0 |
| 1978 | 42 | 0 |
| 1979 | 17 | 0 |
| 1980 | 26 | 0 |
| 1981 | 27 | 0 |
| 1982 | 22 | 0 |
| 1983 | 27 | 0 |
| 1984 | 13 | 0 |
| 1985 | 28 | 0 |
| 1986 | 10 | 0 |
| 1987 | 21 | 0 |
| 1988 | 14 | 0 |
| 1989 | 18 | 0 |
| 1990 | 11 | 0 |
| 1991 | 27 | 0 |
| 1992 | 21 | 0 |
| 1993 | 22 | 0 |
| 1994 | 23 | 0 |
| 1995 | 12 | 0 |
| 1996 | 14 | 0 |
| 1997 | 18 | 0 |
| 1998 | 22 | 0 |
| 1999 | 34 | 0 |
| 2000 | 29 | 0 |
| 2001 | 27 | 13 |
| 2002 | 32 | 16 |
| 2003 | 28 | 28 |
| 2004 | 19 | 23 |
| 2005 | 12 | 30 |
| 2006 | 13 | 21 |
| 2007 | 8 | 14 |
| 2008 | 8 | 16 |
| 2009 | 8 | 23 |
| 2010 | 11 | 32 |
| 2011 | 21 | 31 |
| 2012 | 17 | 27 |
| 2013 | 24 | 62 |
| 2014 | 27 | 58 |
| 2015 | 39 | 60 |
| 2016 | 52 | 74 |
| 2017 | 55 | 67 |
| 2018 | 42 | 46 |
| 2019 | 54 | 56 |
| 2020 | 37 | 60 |
| 2021 | 44 | 44 |
| 2022 | 39 | 41 |
| 2023 | 34 | 30 |
| 2024 | 36 | 47 |
| 2025 | 31 | 32 |
| 2026 | 17 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Recent patents
- Aqueous formulation of oil-soluble corrosion inhibitor, and preparation method and regeneration method thereof22 Sep 2026US 12,742,119 B2PetroChina Company Limited
- Industrial fluids with dilution resistance and tunable viscosity, and methods of making and using industrial fluids25 Aug 2026US 12,715,810 B2Blue Nose Technologies LLC
- Stabilizer composition for silyl-modified polymer sealants25 Aug 2026US 12,715,980 B2Clariant International Ltd.
- Succinic anhydride-derived polyesters as corrosion inhibitors25 Aug 2026US 12,716,028 B2Ecolab USA Inc.
- Methods for extracting and encapsulating phenolics from food waste, related compositions, and related articles4 Aug 2026US 12,698,141 B2Board of Trustees of Michigan State University
- Method of inhibiting corrosion of metal piping in an oil/gas well3 Sep 2026US 2026/0258301 A1Imam Abdulrahman Bin Faisal University
- Method for manufacturing semiconductor substrate, method for etching substrate, and composition for surface modification27 Aug 2026US 2026/0250575 A1Tokyo Ohka Kogyo.Co., Ltd.
- Metal working fluid decontamination apparatus6 Aug 2026US 2026/0224763 A1
- Stabilizer composition for silyl-modified polymer sealants6 Aug 2026US 2026/0226257 A1Clariant International Ltd.
- Lubricant Compositions Containing Phenolic Antioxidants and Alkyl Alcohols For Use in Internal Combustion Engines23 Jul 2026US 2026/0209626 A1
Most cited
- Preservation of cell-free RNA in blood samples167US 8,304,187 B2Streck, Inc. · 2012
- Compositions stabilized with N-hydroxyiminodiacetic and dipropionic acids and esters thereof88US 4,720,517 ACiba-Geigy Corporation · 1988
- Isoflavones and related compounds, methods of preparing and using and antioxidant compositions containing same87US 4,390,559 AZ-L Limited Partnership · 1983
- Synergistic mixture of low-molecular and high-molecular polyalkylpiperidines81US 4,692,486 ACiba-Geigy Corporation · 1987
- Functional fluid and a process for the preparation of the functional fluid74US 8,080,225 B2Specialist Process Technologies Limited · 2011