C01B 39/22
Type x
Official title: Type X {(C01B39/205 takes precedence)}
C01B39/22 (Type x) appears on 59 US grants and 58 published applications in this corpus.
Search patents in C01B- Granted patents
- 59
- Published applications
- 58
- Assignees
- 49
- Inventors
- 149
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 4 |
| 2012 | 2 | 5 |
| 2013 | 4 | 3 |
| 2014 | 1 | 2 |
| 2015 | 3 | 1 |
| 2016 | 1 | 4 |
| 2017 | 2 | 3 |
| 2018 | 4 | 4 |
| 2019 | 4 | 5 |
| 2020 | 5 | 4 |
| 2021 | 4 | 3 |
| 2022 | 2 | 6 |
| 2023 | 1 | 3 |
| 2024 | 2 | 5 |
| 2025 | 3 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing relating to industrial mass production of high-purity artificial zeolite13 Jan 2026US 12,522,507 B2
- Method for manufacture of faujasite zeolite including zeolite Y in the presence of ODSO9 Dec 2025US 12,491,501 B2Saudi Arabain Oil Company
- Composite layer agglomerating adsorbent and preparation process thereof17 Jun 2025US 12,330,135 B2China Petroleum & Chemical Corporation
- Ethanol13 May 2025US 12,297,308 B2Sekisui Chemical Co., Ltd.
- Method for producing conjugated diene polymer8 Oct 2024US 12,110,355 B2Sekisui Chemical Co., Ltd.
- Method of producing zeolite from an acid-refractory mineral composition19 Mar 2026US 2026/0078010 A1
- A binder less na-lsx zeolite synthesis for higher n2 adsorption29 Jan 2026US 2026/0027507 A1Council of Scientific and Industrial Research
- Ethanol22 May 2025US 2025/0163199 A1Sekisui Chemical Co., Ltd.
- Ethanol26 Dec 2024US 2024/0425634 A1Sekisui Chemical Co., Ltd.
- Method for producing conjugated diene polymer26 Dec 2024US 2024/0425635 A1Sekisui Chemical Co., Ltd.
Most cited
By later US patents
- Material with microporous crystalline walls defining a narrow size distribution of mesopores, and process for preparing same65US 5,849,258 AIntevep, S. A. · 1998
- Material with microporous crystalline walls defining a narrow size distribution of mesopores, and process for preparing same42US 5,902,564 AIntevep, S. A. · 1999
- Process for synthesizing molecular sieves33US 6,773,694 B1Uop LLC · 2004
- Massive bodies of Maximum Aluminum X-type zeolite29US 4,603,040 AAir Products and Chemicals, Inc. · 1986
- Process for preparation of zeolite "X"18US 5,487,882 AAlbemarle Corporation · 1996