C10N 2070/02
Concentrating of additives
Official title: {Concentrating of additives}
C10N2070/02 (Concentrating of additives) appears on 1,252 US grants and 364 published applications in this corpus.
Search patents in C10N- Granted patents
- 1,252
- Published applications
- 364
- Assignees
- 266
- Inventors
- 1,515
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 37 | 0 |
| 1977 | 48 | 0 |
| 1978 | 64 | 0 |
| 1979 | 56 | 0 |
| 1980 | 35 | 0 |
| 1981 | 45 | 0 |
| 1982 | 26 | 0 |
| 1983 | 20 | 0 |
| 1984 | 9 | 0 |
| 1985 | 6 | 0 |
| 1986 | 20 | 0 |
| 1987 | 19 | 0 |
| 1988 | 30 | 0 |
| 1989 | 43 | 0 |
| 1990 | 49 | 0 |
| 1991 | 49 | 0 |
| 1992 | 45 | 0 |
| 1993 | 50 | 0 |
| 1994 | 65 | 0 |
| 1995 | 42 | 0 |
| 1996 | 39 | 0 |
| 1997 | 58 | 0 |
| 1998 | 59 | 0 |
| 1999 | 32 | 0 |
| 2000 | 29 | 0 |
| 2001 | 19 | 2 |
| 2002 | 14 | 13 |
| 2003 | 19 | 24 |
| 2004 | 15 | 23 |
| 2005 | 8 | 12 |
| 2006 | 6 | 16 |
| 2007 | 5 | 11 |
| 2008 | 7 | 19 |
| 2009 | 6 | 15 |
| 2010 | 13 | 17 |
| 2011 | 11 | 14 |
| 2012 | 10 | 17 |
| 2013 | 9 | 11 |
| 2014 | 13 | 30 |
| 2015 | 12 | 13 |
| 2016 | 12 | 12 |
| 2017 | 15 | 20 |
| 2018 | 15 | 18 |
| 2019 | 13 | 14 |
| 2020 | 12 | 4 |
| 2021 | 7 | 9 |
| 2022 | 10 | 9 |
| 2023 | 3 | 10 |
| 2024 | 10 | 9 |
| 2025 | 8 | 15 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lubricant compositions for reduced pre-ignition in hydrogen fueled engines29 Sep 2026US 12,747,407 B2Infineum International Limited
- Lubricant formulations containing functionalized olefin polymers and reduced traditional dispersant4 Aug 2026US 12,698,453 B2Infineum International Limited
- Lubricant compositions containing silicon for reduced pre-ignition in hydrogen fueled engines23 Jun 2026US 12,662,648 B2Infineum International Limited
- Enhanced lubricant composition24 Mar 2026US 12,584,076 B2Graphene Manufacturing Group LTD
- Solvency enhancer compositions, methods of preparation and methods of use thereof10 Mar 2026US 12,570,916 B2Fluitec N.V.
- Lubricant Compositions Containing Phenolic Antioxidants and Alkyl Alcohols For Use in Internal Combustion Engines23 Jul 2026US 2026/0209626 A1
- Diblock and triblock copolymer concentrates for lubricating oil compositions14 May 2026US 2026/0132349 A1Infineum International Limited
- Lubricating oil compositions14 May 2026US 2026/0132352 A1
- Lubricant Compositions Containing High C9 Disubstituted Diphenylamine Antioxidant Content and Low Mono- and Tri-substituted Diphenylamine Antioxidant Content23 Apr 2026US 2026/0109910 A1
- Lubricating oil compositions for hybrid engines and methods of use and testing thereof19 Mar 2026US 2026/0078315 A1
Most cited
By later US patents
- Polymers derived from ethylene and 1-butene for use in the preparation of lubricant dispersant additives173US 5,498,809 AExxon Chemical Patents Inc. · 1996
- Olefin oligomerization with BF.sub.3 alcohol alkoxylate co-catalysts131US 5,068,487 AEthyl Corporation · 1991
- Process for preparing a sulfurized molybdenum-containing composition and lubricating oil containing the composition130US 4,285,822 AChevron Research Company · 1981
- Ethylene copolymer viscosity index improver-dispersant additive useful in oil compositions124US 4,517,104 AExxon Research & Engineering Co. · 1985
- Novel VI improver, dispersant, and anti-oxidant additive and lubricating oil composition containing same122US 4,863,623 ATexaco Inc. · 1989