C04B 20/068
Selection of ingredients added before or during the thermal treatment
Official title: {Selection of ingredients added before or during the thermal treatment, e.g. expansion promoting agents or particle-coating materials}
C04B20/068 (Selection of ingredients added before or during the thermal treatment) appears on 37 US grants and 18 published applications in this corpus.
Search patents in C04B- Granted patents
- 37
- Published applications
- 18
- Assignees
- 24
- Inventors
- 79
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 2 |
| 2019 | 2 | 1 |
| 2020 | 0 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 3 | 3 |
| 2025 | 0 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Expandable silica particles and methods for making and using the same17 Mar 2026US 12,577,150 B2Valunor AG
- Secondary aluminum ash for concrete and treatment method thereof6 Jan 2026US 12,515,988 B2Guangdong Zhidao Advanced Civil Engineering Materials Technology Research Co., Ltd.
- Expandable silica particles and methods for making and using the same7 May 2024US 11,976,000 B2Valunor AG
- Preparation method for hydrothermal synthesis of fly ash silicate aggregate26 Mar 2024US 11,939,264 B1Henan Building Materials Research and Design Institute Co., Ltd.
- Graphene reinforced concrete5 Mar 2024US 11,919,809 B2Concrene Limited
- Expandable silica particles and methods for making and using the same2 Jul 2026US 2026/0184620 A1Valunor AG
- Expandable silica particles and methods for making and using the same26 Sep 2024US 2024/0317638 A1Valunor AG
- Method of activation of low-kaolinite mineral feedstocks, activated materials obtainable therefrom and uses thereof15 Aug 2024US 2024/0270644 A1Carbon Upcycling Technologies Inc.
- Secondary aluminum ash for concrete and treatment method thereof4 Jan 2024US 2024/0002291 A1Guangdong Zhidao Advanced Civil Engineering Materials Technology Research Co., Ltd.
- Color control and heat recuperation when producing activated clay15 Jun 2023US 2023/0183132 A1FLSmidth A/S
Most cited
By later US patents
- Ceramic spheroids having low density and high crush resistance139US 4,632,876 AMinnesota Mining and Manufacturing Company · 1986
- Osteogenic proteins129US 5,266,683 AStryker Corporation · 1993
- Process for making ceramic spheroids38US 4,725,390 AMinnesota Mining and Manufacturing Company · 1988
- Antibodies to osteogenic proteins35US 5,468,845 AStryker Corporation · 1995
- Devices comprising chondrogenic protein and methods of inducing endochondral bone formation therewith33US 5,958,441 AStryker Biotech · 1999