C01F 7/442
In presence of a calcination additive
Official title: in presence of a calcination additive
C01F7/442 (In presence of a calcination additive) appears on 66 US grants and 60 published applications in this corpus.
Search patents in C01F- Granted patents
- 66
- Published applications
- 60
- Assignees
- 31
- Inventors
- 149
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 6 |
| 2005 | 2 | 5 |
| 2006 | 2 | 2 |
| 2007 | 1 | 0 |
| 2008 | 4 | 4 |
| 2009 | 2 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 3 | 6 |
| 2018 | 2 | 3 |
| 2019 | 5 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 5 |
| 2022 | 1 | 1 |
| 2023 | 1 | 7 |
| 2024 | 3 | 1 |
| 2025 | 2 | 4 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
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- CMP products125US 6,258,137 B1Saint-Gobain Industrial Ceramics, Inc. · 2001
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