C10M 2217/046
Polyamines, i.e. macromoleculars obtained by condensation of more than eleven amine monomers
C10M2217/046 (Polyamines, i.e. macromoleculars obtained by condensation of more than eleven amine monomers) appears on 1,455 US grants and 151 published applications in this corpus.
Search patents in C10M- Granted patents
- 1,455
- Published applications
- 151
- Assignees
- 201
- Inventors
- 1,445
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 54 | 0 |
| 1977 | 52 | 0 |
| 1978 | 70 | 0 |
| 1979 | 58 | 0 |
| 1980 | 44 | 0 |
| 1981 | 36 | 0 |
| 1982 | 27 | 0 |
| 1983 | 25 | 0 |
| 1984 | 26 | 0 |
| 1985 | 25 | 0 |
| 1986 | 22 | 0 |
| 1987 | 50 | 0 |
| 1988 | 36 | 0 |
| 1989 | 53 | 0 |
| 1990 | 67 | 0 |
| 1991 | 56 | 0 |
| 1992 | 57 | 0 |
| 1993 | 64 | 0 |
| 1994 | 84 | 0 |
| 1995 | 61 | 0 |
| 1996 | 55 | 0 |
| 1997 | 79 | 0 |
| 1998 | 78 | 0 |
| 1999 | 62 | 0 |
| 2000 | 46 | 0 |
| 2001 | 42 | 6 |
| 2002 | 18 | 23 |
| 2003 | 25 | 12 |
| 2004 | 12 | 8 |
| 2005 | 6 | 4 |
| 2006 | 0 | 2 |
| 2007 | 1 | 5 |
| 2008 | 0 | 11 |
| 2009 | 1 | 9 |
| 2010 | 7 | 4 |
| 2011 | 4 | 8 |
| 2012 | 4 | 4 |
| 2013 | 3 | 8 |
| 2014 | 5 | 0 |
| 2015 | 6 | 1 |
| 2016 | 4 | 1 |
| 2017 | 0 | 2 |
| 2018 | 0 | 6 |
| 2019 | 2 | 13 |
| 2020 | 11 | 6 |
| 2021 | 4 | 1 |
| 2022 | 1 | 5 |
| 2023 | 5 | 0 |
| 2024 | 1 | 4 |
| 2025 | 3 | 4 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lubricant formulations containing functionalized olefin polymers and reduced traditional dispersant4 Aug 2026US 12,698,453 B2Infineum International Limited
- Multipurpose oxypyridinones and their functional use-37 Jul 2026US 12,674,113 B2Infineum International Limited
- Lubricating compositions9 Jun 2026US 12,649,892 B2Tribodyn, Inc.
- Multiphase composite lubricant27 May 2025US 12,312,551 B2New York Air Brake Corporation
- Thermally responsive brush polymers having a copolymer backbone and copolymer arms22 Apr 2025US 12,281,203 B2Infineum International Limited
- Industrial gear lubricant27 Aug 2026US 2026/0250597 A1The Lubrizol Corporation
- Hydraulic fluid composition21 May 2026US 2026/0139197 A1The Lubrizol Corporation
- Lubricating oil compositions14 May 2026US 2026/0132352 A1
- Controlled-composition capping of polyamines and capped polyamines therefrom12 Mar 2026US 2026/0071134 A1Infineum International Limited
- Composition, lubricating oil composition and grease composition10 Jul 2025US 2025/0223508 A1Idemitsu Kosan Co., Ltd.
Most cited
By later US patents
- Novel carboxylic acid acylating agents, derivatives thereof, concentrate and lubricant compositions containing the same, and processes for their preparation764US 4,234,435 AThe Lubrizol Corporation · 1980
- Lubricating composition228US 4,956,122 AUniroyal Chemical Company, Inc. · 1990
- Video device synchronization system190US 4,532,547 AAmpex Corporation · 1985
- Polymers derived from ethylene and 1-butene for use in the preparation of lubricant dispersant additives173US 5,498,809 AExxon Chemical Patents Inc. · 1996
- Polybutyl-and polyisobutylamines, their preparation, and fuel compositions containing these135US 4,832,702 ABASF SE · 1989