B01J 31/0237
Amines
Official title: {Amines}
B01J31/0237 (Amines) appears on 437 US grants and 365 published applications in this corpus.
Search patents in B01J- Granted patents
- 437
- Published applications
- 365
- Assignees
- 322
- Inventors
- 1,309
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 8 | 0 |
| 1982 | 9 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 10 | 0 |
| 1994 | 8 | 0 |
| 1995 | 8 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 21 | 0 |
| 1999 | 11 | 0 |
| 2000 | 5 | 0 |
| 2001 | 11 | 0 |
| 2002 | 8 | 10 |
| 2003 | 12 | 11 |
| 2004 | 7 | 11 |
| 2005 | 4 | 13 |
| 2006 | 11 | 9 |
| 2007 | 6 | 12 |
| 2008 | 3 | 4 |
| 2009 | 7 | 7 |
| 2010 | 3 | 13 |
| 2011 | 7 | 17 |
| 2012 | 7 | 9 |
| 2013 | 10 | 15 |
| 2014 | 8 | 7 |
| 2015 | 15 | 15 |
| 2016 | 15 | 24 |
| 2017 | 13 | 19 |
| 2018 | 27 | 28 |
| 2019 | 26 | 26 |
| 2020 | 20 | 22 |
| 2021 | 22 | 26 |
| 2022 | 15 | 15 |
| 2023 | 11 | 12 |
| 2024 | 9 | 12 |
| 2025 | 8 | 16 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Deodorization fiber and manufacture method thereof2 Jun 2026US 12,643,092 B2Taiwan Textile Research Institute
- Method of preparing heterogeneous linear carbonate using amine-based compound catalyst12 May 2026US 12,623,995 B2Lotte Chemical Corporation
- Method of processing substrate, substrate processing apparatus, and recording medium10 Mar 2026US 12,571,094 B2Air Water Inc.
- Photothermal catalytic method for production of hydrogen peroxide without sacrificial reagents on basis of porphyrin-based supermolecule3 Mar 2026US 12,565,426 B2Jiangnan University
- Catalytic nickel oxide sheet, method for obtaining it and use thereof17 Feb 2026US 12,551,870 B2Universitat De Valencia
- Novel compound or salt thereof, catalyst, method of preparing novel compound or salt thereof and method of preparing mannich product8 Oct 2026US 2026/0308178 A1Okinawa Institute of Science and Technology School Corporation
- Process for producing a hybrid non-isocyanate-containing polyurethane24 Sep 2026US 2026/0286051 A1Nolax AG
- Macro-cyclic polyester oligomers produced directly from diols and aromatic dicarboxylic acids, and related methods17 Sep 2026US 2026/0275033 A1JM Mihalich LLC
- Process for preparing, by hydroformylation, short-chain olefins in the gas phase20 Aug 2026US 2026/0242321 A1Evonik Oxeno GmbH
- Processes for making unsaturated aliphatic hydrocarbons, including vinyl acetate from ethylene glycol diacetate13 Aug 2026US 2026/0234095 A1New Product Innovation, LLC
Most cited
By later US patents
- Catalyst system and the use thereof70US 6,953,829 B2Basell Polyolefine GmbH · 2005
- Process for the chemical modification of surfaces of inorganic solids63US 3,956,179 A1976
- Process for producing .alpha.-olefin oligomer58US 5,856,612 AMitsubishi Chemical Corporation · 1999
- Method of production of improved purity light alpha olefines by ogliomerisation of ethylene57US 5,811,619 AInstitut Francais du Petrole · 1998
- Process for preparing optically active compounds54US 6,184,381 B2Asahi Kasei Kogyo Kabushiki Kaisha · 2001