C10M 159/16
Obtained by mannich reactions
Official title: obtained by Mannich reactions
C10M159/16 (Obtained by mannich reactions) appears on 301 US grants and 49 published applications in this corpus.
Search patents in C10M- Granted patents
- 301
- Published applications
- 49
- Assignees
- 42
- Inventors
- 317
- Latest grant
- 10 Apr 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 8 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 10 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 10 | 0 |
| 1989 | 13 | 0 |
| 1990 | 13 | 0 |
| 1991 | 15 | 0 |
| 1992 | 13 | 0 |
| 1993 | 26 | 0 |
| 1994 | 27 | 0 |
| 1995 | 18 | 0 |
| 1996 | 20 | 0 |
| 1997 | 17 | 0 |
| 1998 | 13 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 4 |
| 2003 | 3 | 2 |
| 2004 | 5 | 6 |
| 2005 | 1 | 4 |
| 2006 | 1 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 4 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 7 | 3 |
| 2012 | 1 | 1 |
| 2013 | 4 | 6 |
| 2014 | 2 | 1 |
| 2015 | 2 | 3 |
| 2016 | 2 | 1 |
| 2017 | 3 | 2 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Use of amines and/or Mannich adducts in fuel and lubricant compositions for direct-injection spark ignition engines10 Apr 2018US 9,938,479 B2BASF SE
- Adducts of low molecular weight PIB with low polydispersity and high vinylidene content21 Mar 2017US 9,598,655 B2TPC Group LLC
- Lubricating oil composition and production thereof14 Mar 2017US 9,593,290 B2China Petroleum & Chemical Corporation
- Mannich base, production and use thereof7 Mar 2017US 9,587,198 B2China Petroleum & Chemical Corporation
- Use of amines and/or Mannich adducts in fuel and lubricant compositions for direct injection spark ignition engines12 Apr 2016US 9,309,475 B2BASF SE
- Polyisobutylene-substituted phenol, derivatives thereof, and lubricating compositions containing the polyisobutylene-substituted phenol and its derivatives2 Sep 2021US 2021/0269734 A1The Lubrizol Corporation
- Polyisobutylene-substituted phenol, derivatives thereof, and lubricating compositions containing the polyisobutylene-substituted phenol and its derivatives3 Dec 2020US 2020/0377815 A1The Lubrizol Corporation
- Marine diesel lubricant oil compositions22 Aug 2019US 2019/0256791 A1
- Lubricating Oil Composition for Internal Combustion Engine8 Nov 2018US 2018/0320103 A1Jxtg Nippon Oil & Energy Corporation
- Isomerization of polyisobutylene9 Aug 2018US 2018/0223017 A1Afton Chemical Corporation
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
- Oil-soluble phosphorus antiwear additives for lubricants118US 4,857,214 AEthylk Petroleum Additives, Inc. · 1989
- Lubricating oil dispersant and viton seal additives108US 4,636,322 ATexaco Inc. · 1987
- Lubricating oil compositions and concentrates and the use thereof108US 5,652,201 AEthyl Petroleum Additives, Inc. · 1997
- Novel ethylene alpha-olefin copolymer substituted Mannich base lubricant dispersant additives107US 5,017,299 AExxon Chemical Patents Inc. · 1991