C01B 39/28
Phillipsite or harmotome type
Official title: Phillipsite or harmotome type {(C01B39/023, C01B39/026, C01B39/06 take precedence)}
C01B39/28 (Phillipsite or harmotome type) appears on 21 US grants and 6 published applications in this corpus.
Search patents in C01B- Granted patents
- 21
- Published applications
- 6
- Assignees
- 14
- Inventors
- 41
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
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
- Sheet-like particles of zeolite and method for producing same16 Jan 2024US 11,873,226 B2Japan Science and Technology Agency
- Hydrothermal conversion of Y-zeolite using alkaline earth cations20 Aug 2002US 6,436,364 B1California Institute of Technology
- Process for producing P zeolite2 Jul 2002US 6,413,493 B1Unilever Patent Holdings B.V.
- Zeolite P aluminosilicates and their manufacture and use in detergent compositions10 Jul 2001US 6,258,768 B1Imperial Chemical Industries PLC
- Method of producing zeolite from an acid-refractory mineral composition19 Mar 2026US 2026/0078010 A1
- Metal cations as inorganic structure directing agents during the synthesis of phillipsite and tobermorite7 Dec 2023US 2023/0391631 A1The Regents of the University of California
- Method for Producing Relating to Industrial Mass Production of High-Purity Artificial Zeolite17 Nov 2022US 2022/0363555 A1NAKANISHI INDUSTRY CO., Ltd.
- Sheet-like particles of zeolite and method for producing same20 Oct 2022US 2022/0332594 A1Japan Science and Technology Agency
- Process for producing p zeolite20 Jun 2002US 2002/0076374 A1Unilever Patent Holdings B.V.
Most cited
By later US patents
- Amorphous silica spherical particles39US 5,236,683 AMizusawa Industrial Chemicals, Ltd. · 1993
- Preparation of amorphous silica-alumina particles by acid-treating spherical P-type zeolite particles crystallized from a sodium aluminosilicate gel38US 5,236,680 AMizusawa Industrial Chemicals, Ltd. · 1993
- Amorphous silica or silica-alumina spherical particles and process for preparation thereof37US 5,453,260 AMizusawa Industrial Chemicals, Ltd. · 1995
- Aluminosilicates and detergent composition17US 5,512,266 AUnilever Patent Holdings B.V. · 1996
- Process for producing Y-type zeolite11US 4,376,106 AToyo Soda Manufacturing Co., Ltd. · 1983