C10L 1/2691
Compounds of uncertain formula
Official title: {Compounds of uncertain formula; reaction of organic compounds (hydrocarbons acids, esters) with Px Sy, Px Sy Halz or sulfur and phosphorus containing compounds}
C10L1/2691 (Compounds of uncertain formula) appears on 88 US grants and 11 published applications in this corpus.
Search patents in C10L- Granted patents
- 88
- Published applications
- 11
- Assignees
- 17
- Inventors
- 122
- Latest grant
- 21 May 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 14 | 0 |
| 1998 | 12 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 3 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Use of tetrahydrobenzoxazines as stabilisers21 May 2019US 10,294,350 B2BASF SE
- Use of tetrahydrobenzoxazines as stabilizers24 Apr 2018US 9,951,204 B2BASF SE
- Use of tetrahydrobenzoxazines as stabilisers12 Dec 2017US 9,840,608 B2BASF SE
- Use of tetrahydroberizoxazines as stabilisers22 Dec 2015US 9,217,115 B2BASF SE
- Additive for naphthenic acid corrosion inhibition and method of using the same25 Aug 2015US 9,115,319 B2Dorf Ketal Chemicals (I) Private Limited
- Wax treatment and method of use15 May 2025US 2025/0154424 A1Independence Oilfield Chemicals LLC
- Use of tetrahydrobenzoxazines as stabilisers26 Jul 2018US 2018/0208744 A1BASF SE
- Asphaltene inhibition31 Mar 2016US 2016/0090524 A1The Lubrizol Corporation
- Use of tetrahydrobenzoxazines as stabilisers18 Feb 2016US 2016/0046788 A1BASF SE
- Use of tetrahydrobenzoxazines as stabilisers9 Jul 2015US 2015/0191668 A1BASF SE
Most cited
By later US patents
- Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives (PT-920)88US 5,229,022 AExxon Chemical Patents Inc. · 1993
- Ethylene .alpha.-olefin block copolymers and methods for production thereof83US 5,733,980 AExxon Chemical Patents Inc. · 1998
- Oxazoline additives useful in oleaginous compositions70US 4,102,798 AExxon Research & Engineering Co. · 1978
- Reaction product of a polyalkenyl succinic acid or its anhydride, a hindered alcohol and an amine65US 3,950,341 AToa Nenryo Kogyo Kabushiki Kaisha · 1976
- Ethylene alpha-olefin polymer substituted mono-and dicarboxylic acid dispersant additives59US 5,266,223 AExxon Chemical Patents Inc. · 1993