C10M 2217/023
The amino group containing an ester bond
Official title: the amino group containing an ester bond
C10M2217/023 (The amino group containing an ester bond) appears on 196 US grants and 44 published applications in this corpus.
Search patents in C10M- Granted patents
- 196
- Published applications
- 44
- Assignees
- 65
- Inventors
- 315
- Latest grant
- 1 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 13 | 0 |
| 1978 | 6 | 0 |
| 1979 | 15 | 0 |
| 1980 | 8 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 4 | 0 |
| 1989 | 10 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 10 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 5 |
| 2003 | 4 | 2 |
| 2004 | 1 | 3 |
| 2005 | 2 | 4 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 2 | 3 |
| 2010 | 1 | 0 |
| 2011 | 1 | 4 |
| 2012 | 1 | 3 |
| 2013 | 1 | 3 |
| 2014 | 5 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 3 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 1 |
| 2020 | 0 | 3 |
| 2021 | 3 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 2 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Engine oil composition1 Oct 2024US 12,104,137 B2Shell USA, Inc.
- Ureteral stent and manufacture method therefor4 Jun 2024US 11,998,664 B2Jiangsu Biosurf Biotech co., Ltd.
- Polymeric-inorganic nanoparticle compositions, manufacturing process thereof and their use as lubricant additives14 Dec 2021US 11,198,833 B2Evonik Operations GmbH
- Viscosity index improver and lubricating oil composition18 May 2021US 11,008,528 B2Sanyo Chemical Industries, Ltd.
- Lubricating oil composition comprising dispersant comb polymers9 Mar 2021US 10,941,368 B2Evonik Operations GmbH
- Engine oil composition14 Sep 2023US 2023/0287292 A1Shell Oil Company
- One-step pretreatment method of metallic substrates for metal cold forming23 Mar 2023US 2023/0091443 A1Chemetall GmbH
- Ureter stent and manufacture method therefor3 Mar 2022US 2022/0062511 A1Jiangsu Biosurf Biotech co., Ltd.
- Polymeric-inorganic nanoparticle compositions, manufacturing process thereof and their use as lubricant additives26 Nov 2020US 2020/0369977 A1Evonik Operations GmbH
- Lubricant system for reducing frictional noise18 Jun 2020US 2020/0190424 A1Klueber Lubrication Muenchen SE & Co. KG
Most cited
By later US patents
- Polyolefinic copolymer additives for lubricants and fuels123US 4,160,739 ARohm and Haas Company · 1979
- Extended life functional fluid116US 3,933,659 AChevron Research Company · 1976
- Viscosity index improver--dispersant additive useful in oil compositions107US 4,780,228 AExxon Chemical Patents Inc. · 1988
- Nitrogenous dispersants, lubricants and concentrates containing said nitrogenous dispersants102US 4,454,059 AThe Lubrizol Corporation · 1984
- Polymeric additives for fuels and lubricants97US 4,089,794 AExxon Research & Engineering Co. · 1978