B01J 31/0259
Comprising phosphorous acid groups or the isomeric phosphonic acid groups , i.e.
Official title: {comprising phosphorous acid (-ester) groups ((RO)P(OR')2) or the isomeric phosphonic acid (-ester) groups (R(R'O)2P=O), i.e. R= C, R'= C, H}
B01J31/0259 (Comprising phosphorous acid groups or the isomeric phosphonic acid groups , i.e.) appears on 85 US grants and 47 published applications in this corpus.
Search patents in B01J- Granted patents
- 85
- Published applications
- 47
- Assignees
- 62
- Inventors
- 193
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 18 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 3 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 2 | 5 |
| 2006 | 1 | 1 |
| 2007 | 2 | 2 |
| 2008 | 1 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 4 |
| 2012 | 0 | 1 |
| 2013 | 2 | 4 |
| 2014 | 2 | 2 |
| 2015 | 3 | 2 |
| 2016 | 2 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 2 |
| 2019 | 1 | 2 |
| 2020 | 3 | 2 |
| 2021 | 1 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 3 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Formation of n-protected 3,6-bis-(4-aminoalkyl)-2,5,diketopiperazine4 Nov 2025US 12,459,903 B2MannKind Corporation
- Organic catalyst for non-aqueous aldol condensation17 Jun 2025US 12,331,012 B2Dow Global Technologies LLC
- Composition comprising branched aldehydes11 Feb 2025US 12,221,404 B2SCION Holdings LLC
- Method for preparing aldehyde and apparatus for preparing aldehyde28 May 2024US 11,993,567 B2LG Chem.Ltd.
- Method for producing epoxy compound1 Nov 2022US 11,485,717 B2Eneos Corporation
- Low-odor phosphazene catalyst and use thereof30 Apr 2026US 2026/0115705 A1Changhua Chemical Technology Co., Ltd.
- Formation of N-Protected 3,6-bis-(4-aminoalkyl)-2,5,diketopiperazine12 Feb 2026US 2026/0042739 A1MannKind Corporation
- Formation of N-Protected 3,6-bis-(4-aminoalkyl)-2,5,diketopiperazine22 May 2025US 2025/0163003 A1MannKind Corporation
- Branched Products6 Mar 2025US 2025/0074849 A1SCION Holdings LLC
- Preparation method for tetra-substituted allenoic acid compound based on palladium catalytic system20 Jun 2024US 2024/0199521 A1Fudan University
Most cited
By later US patents
- Separation processes39US 5,952,530 AUnion Carbide Chemicals & Plastics Technology Corporation · 1999
- Heterolamellar photoelectrochemical films and devices35US 5,695,890 AThe Trustees of Princeton University · 1997
- Separation processes34US 5,932,772 AUnion Carbide Chemicals & Plastics Technology Corporation · 1999
- Process for manufacture of bisphenol31US 5,783,733 AGeneral Electric Company · 1998
- Titanium-containing catalyst composition and processes therefor and therewith31US 6,080,834 AE. I. Du Pont de Nemours and Company · 2000