C09C 3/043
Drying, calcination
Official title: {Drying, calcination}
C09C3/043 (Drying, calcination) appears on 69 US grants and 75 published applications in this corpus.
Search patents in C09C- Granted patents
- 69
- Published applications
- 75
- Assignees
- 85
- Inventors
- 303
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 1 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 6 |
| 2018 | 1 | 3 |
| 2019 | 2 | 3 |
| 2020 | 2 | 1 |
| 2021 | 3 | 6 |
| 2022 | 2 | 8 |
| 2023 | 2 | 12 |
| 2024 | 7 | 14 |
| 2025 | 7 | 6 |
| 2026 | 8 | 5 |
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
- Near infrared transmitting copper oxide nanoparticles21 Jul 2026US 12,686,620 B2Toyota Motor Engineering & Manufacturing North America, Inc.
- Process for producing a white UV-absorbing surface-reacted calcium carbonate doped with a titanium species, a white UV-absorbing surface-reacted calcium carbonate and use thereof16 Jun 2026US 12,655,299 B2Omya International AG
- Aluminum-oxide-based-composition-containing zirconium nitride powder and method for producing same9 Jun 2026US 12,649,859 B2Mitsubishi Materials Corporation
- Solar reflective granules and processes for producing same21 Apr 2026US 12,607,402 B2U.S. Silica Company
- Compositions, methods, and systems related to transformation of vaterite particles13 Aug 2026US 2026/0234055 A1Arelac, Inc.
- Titanate compound particle powder and dispersion, and method for producing same23 Jul 2026US 2026/0209522 A1Toda Kogyo Corporation
- Preparation method for shear thickening fluid and use of fluid26 Feb 2026US 2026/0055244 A1Zhongshan Laipu New Materials Co., Ltd
- Emulsion blend for coating carbonates22 Jan 2026US 2026/0022248 A1Specialty Minerals (Michigan) Inc.
- Method for producing composite talc powder material and housing thereof8 Jan 2026US 2026/0008923 A1ASUSTeK COMPUTER INC.
Most cited
By later US patents
- Process for producing concentrated aqueous slurries and spray dried particulate products27US 5,248,387 ANiro A/S · 1993
- Non-settling coating composition and flatting pigment25US 4,155,769 AJ. M. Huber Corporation · 1979
- Process for preparing a titanium oxide powder24US 4,668,501 AMitsubishi Kinzoku Kabushiki Kaisha · 1987
- Dendrite or asteroidal titanium dioxide micro-particles24US 5,536,448 AIshihara Sangyo Kaisha, Ltd. · 1996
- Process for the production of silica with an aerogel type structure23US 4,150,101 ADeutsche Gold- und Silber-Scheideanstalt vormals Roessler · 1979