C01B 39/14
Type a
Official title: Type A
C01B39/14 (Type a) appears on 73 US grants and 90 published applications in this corpus.
Search patents in C01B- Granted patents
- 73
- Published applications
- 90
- Assignees
- 83
- Inventors
- 302
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 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 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 3 |
| 2003 | 2 | 1 |
| 2004 | 4 | 2 |
| 2005 | 1 | 4 |
| 2006 | 2 | 2 |
| 2007 | 1 | 3 |
| 2008 | 0 | 1 |
| 2009 | 3 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 4 |
| 2014 | 0 | 2 |
| 2015 | 1 | 3 |
| 2016 | 1 | 5 |
| 2017 | 4 | 9 |
| 2018 | 3 | 10 |
| 2019 | 11 | 5 |
| 2020 | 5 | 7 |
| 2021 | 7 | 4 |
| 2022 | 3 | 8 |
| 2023 | 3 | 3 |
| 2024 | 6 | 2 |
| 2025 | 1 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing relating to industrial mass production of high-purity artificial zeolite13 Jan 2026US 12,522,507 B2
- Intramolecular pi-stacking structure directing agents and molecular sieves synthesized therefrom11 Nov 2025US 12,466,738 B2ExxonMobil Technology and Engineering Company
- Kaolin based zeolite a for rapid reduction of poultry litter odor12 Nov 2024US 12,138,614 B1King Faisal University
- Iron-loaded small pore aluminosilicate zeolites and method of making metal loaded small pore aluminosilicate zeolites2 Jul 2024US 12,024,438 B2Johnson Matthey Catalysts (Germany) GMBH
- Catalyst for the production of carboxylic acid ester23 Apr 2024US 11,964,263 B2SBI Fine Chemicals Inc.
- Molecular sieve composition, its preparation and application thereof9 Jul 2026US 2026/0192289 A1China Petroleum & Chemical Corporation
- Method of producing zeolite from an acid-refractory mineral composition19 Mar 2026US 2026/0078010 A1
- Intramolecular pi-stacking structure directing agents and molecular sieves synthesized therefrom5 Feb 2026US 2026/0035255 A1ExxonMobil Technology and Engineering Company
- A process for the production of a zeolite body and zeolite body obtained via said process2 Oct 2025US 2025/0304457 A1Immaterial Ltd
- Zeolite bodies20 Mar 2025US 2025/0091886 A1Cambridge Enterprise Limited
Most cited
By later US patents
- Method for producing open framework zeolites35US 3,947,482 AW. R. Grace & Co. · 1976
- Micro particles31US 5,863,516 AExxon Chemical Patent Inc. · 1999
- Method of the preparation of microporous crystalline molecular sieve possessing mesoporous frameworks27US 7,785,563 B2Korea Advanced Institute of Science and Technology · 2010
- Forming and crystallization process for molecular sieve manufacture22US 4,058,586 AW. R. Grace & Co. · 1977
- Process for the synthesis of flyash based Zeolite-A20US 5,965,105 ACouncil of Scientific and Industrial Research · 1999