C09C 1/3027
Drying, calcination
Official title: {Drying, calcination}
C09C1/3027 (Drying, calcination) appears on 29 US grants and 36 published applications in this corpus.
Search patents in C09C- Granted patents
- 29
- Published applications
- 36
- Assignees
- 38
- Inventors
- 143
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 3 |
| 2018 | 0 | 1 |
| 2019 | 2 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 4 |
| 2023 | 0 | 5 |
| 2024 | 2 | 3 |
| 2025 | 1 | 3 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods of forming minerals using biomineralizing microorganisms and biomineralizing macroorganisms and compositions formed using same18 Aug 2026US 12,709,573 B2The Regents of the University of Colorado, a body corporate
- Hollow silica particles and method for producing the same23 Jun 2026US 12,662,386 B2AGC Inc.
- Silica, paint and silica manufacturing method5 May 2026US 12,617,949 B2Tokuyama Corporation
- Modified silica nanoparticle and methods of synthesis31 Mar 2026US 12,590,241 B2King Fahd University of Petroleum and Minerals
- Hollow silica particles and method for manufacturing hollow silica particles4 Nov 2025US 12,459,826 B2AGC Inc.
- Highly dispersed fumed silica and method for producing the same1 Oct 2026US 2026/0297398 A1Oci Company Ltd.
- Silica, Paint And Silica Manufacturing Method13 Aug 2026US 2026/0234422 A1Tokuyama Corporation
- Microparticulate composite material based on zinc oxide grafted to diatomaceous earth, method for preparing same and uses thereof as an anti-uv active agent16 Jul 2026US 2026/0199203 A1Vinpai
- Natural sodium bentonite clay with improved rheological properties5 Jun 2025US 2025/0179300 A1BYK-Chemie GmbH
- Submicron surface-modified metal oxide particles1 May 2025US 2025/0138444 A1Evonik Corporation
Most cited
By later US patents
- Hydrophobic particulate inorganic oxides and polymeric compositions containing same96US 7,015,271 B2PPG Industries Ohio, Inc. · 2006
- Silica microspheres, method of improving attrition resistance71US 5,128,114 AE. I. Du Pont de Nemours and Company · 1992
- Granules based on pyrogenically prepared silicon dioxide, methods for their preparation and use thereof67US 5,776,240 ADegussa AG · 1998
- Silica microspheres, method of improving attrition resistance and use56US 5,352,645 AE. I. Du Pont de Nemours and Company · 1994
- Finely, divided, precipitated silica with high structure, method of its preparation and use34US 5,034,207 ADegussa AG · 1991