C01B 39/54
Phosphates
Official title: Phosphates, e.g. APO or SAPO compounds
C01B39/54 (Phosphates) appears on 243 US grants and 288 published applications in this corpus.
Search patents in C01B- Granted patents
- 243
- Published applications
- 288
- Assignees
- 100
- Inventors
- 543
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 7 | 4 |
| 2002 | 1 | 2 |
| 2003 | 3 | 3 |
| 2004 | 5 | 7 |
| 2005 | 6 | 9 |
| 2006 | 5 | 10 |
| 2007 | 3 | 10 |
| 2008 | 6 | 2 |
| 2009 | 8 | 8 |
| 2010 | 7 | 19 |
| 2011 | 8 | 8 |
| 2012 | 8 | 12 |
| 2013 | 14 | 22 |
| 2014 | 13 | 23 |
| 2015 | 7 | 23 |
| 2016 | 14 | 17 |
| 2017 | 15 | 20 |
| 2018 | 16 | 18 |
| 2019 | 30 | 23 |
| 2020 | 18 | 24 |
| 2021 | 11 | 5 |
| 2022 | 12 | 4 |
| 2023 | 6 | 7 |
| 2024 | 2 | 5 |
| 2025 | 4 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Molecular sieve CIT-16P, its synthesis, transformation and use28 Apr 2026US 12,611,660 B2California Institute of Technology
- Intramolecular pi-stacking structure directing agents and molecular sieves synthesized therefrom11 Nov 2025US 12,466,738 B2ExxonMobil Technology and Engineering Company
- Method to synthesize crystalline materials in the presence of ODSO with improved zeolite crystallization rates and enhanced relative crystallinity9 Sep 2025US 12,410,062 B2Saudi Arabian Oil Company
- Phosphorus-modified MFI-structured molecular sieve, catalytic cracking auxiliary and catalytic cracking catalyst containing phosphorus-modified MFI-structured molecular sieve, and processes for preparing the same13 May 2025US 12,296,323 B2China Petroleum & Chemical Corporation
- SCM-34 molecular sieve, preparation method therefor and use thereof14 Jan 2025US 12,194,446 B2China Petroleum & Chemical Corporation
- Intramolecular pi-stacking structure directing agents and molecular sieves synthesized therefrom5 Feb 2026US 2026/0035255 A1ExxonMobil Technology and Engineering Company
- Controlled alkaline treatments on molecular sieves4 Dec 2025US 2025/0367646 A1Katholieke Universiteit Leuven
- Phosphorus stabilized zeolites29 May 2025US 2025/0171321 A1BASF SE
- SCM-38 molecular sieve, preparation method thereof, and use thereof12 Dec 2024US 2024/0409422 A1China Petroleum & Chemical Corporation
- Zeolite syntheses utilizing bis-pyridinium structure directing agents5 Dec 2024US 2024/0400400 A1
Most cited
By later US patents
- Silicoaluminophosphate molecular sieve71US 6,812,372 B2ExxonMobil Chemical Patents Inc. · 2004
- Crystalline group IVA metal-containing molecular sieve compositions39US 5,015,453 AW. R. Grace & Co.-Conn. · 1991
- Silicoaluminophosphates having an AEL structure34US 6,294,493 B1Exxon Mobil Chemical Patents Inc. · 2001
- Group IIIB metallophosphates29US 4,486,397 AThe Standard Oil Company · 1984
- Crystalline microporous metallo-zinc phosphate compositions29US 5,302,362 AUop LLC · 1994