B01J 31/0264
Phosphorus acid amides
Official title: {Phosphorus acid amides}
B01J31/0264 (Phosphorus acid amides) appears on 52 US grants and 57 published applications in this corpus.
Search patents in B01J- Granted patents
- 52
- Published applications
- 57
- Assignees
- 43
- Inventors
- 144
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 5 |
| 2011 | 1 | 5 |
| 2012 | 1 | 1 |
| 2013 | 1 | 4 |
| 2014 | 3 | 5 |
| 2015 | 7 | 4 |
| 2016 | 2 | 2 |
| 2017 | 2 | 4 |
| 2018 | 3 | 5 |
| 2019 | 4 | 5 |
| 2020 | 6 | 1 |
| 2021 | 1 | 2 |
| 2022 | 3 | 5 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for the asymmetric synthesis of isopiperitenol9 Jun 2026US 12,649,705 B2Studiengesellschaft Kohle gGmbH
- Three-dimensional organic sandwich chirality and its synthetic assembly23 Dec 2025US 12,503,481 B2Texas Tech University System
- Chiral n-heterocyclic phosphorodiamidic acids (NHPAS) and derivatives as novel Brønsted acid catalysts16 Jan 2024US 11,873,315 B2The Board of Regents of the Nevada System of Higher Education On Behalf of the University of Nevada, Las Vegas
- Antifouling coating composition comprising copolymer, method of preparing the copolymer, and antifouling film manufactured from the antifouling coating composition28 Mar 2023US 11,613,659 B2Yonsei University, University—Industry Foundation (Uif)
- Ligands for production of 1-hexene in chromium assisted ethylene oligomerization process15 Feb 2022US 11,247,201 B2Sabic Global Technologies B.V.
- Low-odor phosphazene catalyst and use thereof30 Apr 2026US 2026/0115705 A1Changhua Chemical Technology Co., Ltd.
- Process for the asymmetric synthesis of isopiperitenol14 Mar 2024US 2024/0083829 A1Studiengesellschaft Kohle gGmbH
- Process for the carbonylation of epoxides30 Jun 2022US 2022/0204465 A1Covestro Intellectual Property GmbH & Co.KG
- Chiral n-heterocyclic phosphorodiamidic acids (nhpas) and derivatives as novel bronsted acid catalysts12 May 2022US 2022/0144868 A1Board of Regents of the Nevada System of Higher Education, on behalf of the University of Nevada
- Antifouling coating composition comprising copolymer, method of preparing the copolymer, and antifouling film manufactured from the antifouling coating composition17 Feb 2022US 2022/0049112 A1Yonsei University, University—Industry Foundation (Uif)
Most cited
By later US patents
- Catalysts and methods for polymer synthesis29US 8,633,123 B2Novomer, Inc. · 2014
- Catalysts and methods for polymer synthesis21US 8,956,989 B2Novomer, Inc. · 2015
- Catalysts and methods for polymer synthesis20US 8,946,109 B2Novomer, Inc. · 2015
- Catalysts and methods for polymer synthesis20US 8,951,930 B2Novomer, Inc. · 2015
- Process for dimerizing lower .alpha.-olefins12US 4,709,112 ASumitomo Chemical Company, Limited · 1987