B01D 19/0413
Compounds containing n-atoms
Official title: {compounds containing N-atoms}
B01D19/0413 (Compounds containing n-atoms) appears on 59 US grants and 47 published applications in this corpus.
Search patents in B01D- Granted patents
- 59
- Published applications
- 47
- Assignees
- 49
- Inventors
- 176
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 4 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 3 |
| 2012 | 1 | 2 |
| 2013 | 2 | 2 |
| 2014 | 2 | 3 |
| 2015 | 1 | 4 |
| 2016 | 4 | 2 |
| 2017 | 0 | 2 |
| 2018 | 2 | 2 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 4 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Anionic switchable hydrophilicity solvents21 Apr 2026US 12,605,653 B2Queen's University at Kingston
- Biobased defoamer compositions and methods of preparation thereof11 Mar 2025US 12,246,270 B2Kraton Chemical, LLC
- Defoaming agent, lubricating oil composition containing defoaming agent, and machine using lubricating oil composition21 Jan 2025US 12,203,047 B2DIC Corporation
- Alkyl ether amine foam control compounds and methods of processing foodstuffs3 Sep 2024US 12,076,664 B2Dow Global Technologies LLC
- Polyacrylamide antifoam components for use in diesel fuels2 May 2023US 11,639,479 B2The Lubrizol Corporation
- Methods for foam mitigation using anti-foam and de-foaming compositions16 Jul 2026US 2026/0199810 A1Ecolab USA Inc.
- Compositions and methods for reducing foam4 Dec 2025US 2025/0367577 A1Ecolab USA Inc.
- Emulsion foam reducer for wet processing of cellulose or wood-based products or in food processing31 Jul 2025US 2025/0242280 A1State Line Holdings, LLC
- Biobased defoamer compositions and methods of preparation thereof29 Feb 2024US 2024/0066436 A1Kraton Chemical, LLC
- Defoaming agent, lubricating oil composition containing defoaming agent, and machine using lubricating oil composition22 Feb 2024US 2024/0060000 A1DIC Corporation
Most cited
By later US patents
- Fluid additive and method for treatment of subterranean formations30US 5,089,151 AThe Western Company of North America · 1992
- Microemulsion defoamer compositions and processes for their production and use27US 4,208,301 ADiamond Shamrock Corporation · 1980
- Detergent compositions having polyalkoxylated amine foam stabilizers21US 6,221,822 B1Tomah Products, Inc. · 2001
- Detergent compositions having polyalkoxylated amine foam stabilizers20US 5,981,458 A1999
- Defoaming of ionic liquids16US 8,362,095 B2Evonik Goldschmidt GmbH · 2013