B01J 31/0212
Alkoxylates
Official title: {Alkoxylates}
B01J31/0212 (Alkoxylates) appears on 326 US grants and 263 published applications in this corpus.
Search patents in B01J- Granted patents
- 326
- Published applications
- 263
- Assignees
- 229
- Inventors
- 892
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 4 | 0 |
| 2000 | 11 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 8 |
| 2003 | 8 | 10 |
| 2004 | 6 | 11 |
| 2005 | 10 | 16 |
| 2006 | 8 | 18 |
| 2007 | 6 | 13 |
| 2008 | 6 | 12 |
| 2009 | 5 | 11 |
| 2010 | 12 | 6 |
| 2011 | 4 | 15 |
| 2012 | 8 | 9 |
| 2013 | 7 | 4 |
| 2014 | 3 | 6 |
| 2015 | 5 | 6 |
| 2016 | 6 | 13 |
| 2017 | 13 | 17 |
| 2018 | 9 | 11 |
| 2019 | 16 | 12 |
| 2020 | 14 | 15 |
| 2021 | 10 | 12 |
| 2022 | 9 | 12 |
| 2023 | 13 | 14 |
| 2024 | 7 | 8 |
| 2025 | 6 | 0 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Metal-organic framework (MOF) MIL-125 and preparation method and use thereof25 Aug 2026US 12,714,989 B2Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Method for preparing ester-based composition11 Aug 2026US 12,703,675 B2LG Chem.Ltd.
- Method for preparing ester-based composition16 Jun 2026US 12,655,086 B2LG Chem.Ltd.
- Method of preparing heterogeneous linear carbonate using catalyst having excellent solubility12 May 2026US 12,623,994 B2Lotte Chemical Corporation
- Carbamate production method, carbamate ester production method, and urea derivative production method12 May 2026US 12,623,999 B2National Institute of Advanced Industrial Science and Technology
- A catalyst composition for improving time to reach high esterification conversion of carboxylic acids/anhydrides6 Aug 2026US 2026/0225089 A1Wisconsin Alumni Research Foundation
- Process for preparing allylic alcohol6 Aug 2026US 2026/0225981 A1
- Apparatus and systems for improved alkyl ester production from feedstocks containing organic acids using low pressure alkylation19 Mar 2026US 2026/0078077 A1Inventure Renewables, Inc.
- Method with typical green and low-carbon characteristics for preparing recycled polyester by closed-loop recycling of waste polyester7 Nov 2024US 2024/0368370 A1National Industrial Innovation Center of Polymer Materials Co., Ltd
- Apparatus and systems for improved alkyl ester production from feedstocks containing organic acids using low pressure alkylation16 May 2024US 2024/0158334 A1Inventure Renewables, Inc.
Most cited
By later US patents
- Polymerization of carbon monoxide/olefin with P ligand having polar aryl group101US 4,843,144 AShell Oil Company · 1989
- Method for converting ethylene into light alpha olefins81US 5,292,979 AInstitut Francais du Petrole · 1994
- Process for the conversion of ethylene into but-1-ene using additives based on polymethylene glycols and derivatives thereof69US 5,792,895 AInstitut Francais du Petrole · 1998
- Method of dimerization of alpha-olefins67US 4,101,600 A1978
- Homogeneous catalyst formulations for methanol production67US 4,992,480 AAssociated Universities, Inc. · 1991