C04B 41/5092
Phosphate cements
Official title: {Phosphate cements}
C04B41/5092 (Phosphate cements) appears on 79 US grants and 59 published applications in this corpus.
Search patents in C04B- Granted patents
- 79
- Published applications
- 59
- Assignees
- 58
- Inventors
- 159
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 3 | 6 |
| 2005 | 2 | 3 |
| 2006 | 1 | 3 |
| 2007 | 1 | 6 |
| 2008 | 2 | 2 |
| 2009 | 2 | 4 |
| 2010 | 3 | 6 |
| 2011 | 5 | 1 |
| 2012 | 2 | 4 |
| 2013 | 1 | 2 |
| 2014 | 1 | 2 |
| 2015 | 1 | 3 |
| 2016 | 3 | 4 |
| 2017 | 1 | 3 |
| 2018 | 2 | 1 |
| 2019 | 3 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Protective internal coatings for porous substrates16 Dec 2025US 12,497,336 B2Applied Thin Films, Inc.
- Full-fiber burner brick and preparation method thereof1 Apr 2025US 12,264,105 B2Luyang Energy-Saving Materials Co., Ltd.
- Protective internal coatings for porous substrates2 Apr 2024US 11,945,756 B2Applied Thin Films, Inc.
- Printable ink mixture, method for producing a colored overprint, and use of the ink mixture6 Jul 2021US 11,053,398 B2Ledvance GmbH
- Process for selectively treating the surface of dental ceramic16 Jul 2019US 10,350,032 B23M Innovative Properties Company
- Protective internal coatings for porous substrates25 Jul 2024US 2024/0246869 A1Applied Thin Films, Inc.
- C/c composite and method for producing same, and heat-treatment jig and method for producing same18 May 2023US 2023/0150888 A1Toyo Tanso Co., Ltd.
- Full-fiber burner brick and preparation method thereof29 Dec 2022US 2022/0411329 A1Luyang Energy-Saving Materials Co., Ltd.
- High Emissivity Cerium Oxide Coating11 Aug 2022US 2022/0250995 A1SCG Chemicals Co., Ltd.
- Protective Internal Coatings for Porous Substrates22 Jul 2021US 2021/0221747 A1Applied Thin Films, Inc.
Most cited
By later US patents
- Sprayable phosphate cementitious coatings and a method and apparatus for the production thereof62US 6,783,799 B12004
- Biofunctional hydroxyapatite coatings and microspheres for in-situ drug encapsulation60US 6,730,324 B2The University of British Columbia · 2004
- Process for protecting products made of composite material containing carbon against oxidation, and products obtained by the said process53US 5,725,955 ASociete Europeenne de Propulsion · 1998
- Oxidation retarded graphite or carbon electrode and method for producing the electrode52US 4,726,995 AUnion Carbide Corporation · 1988
- Oxidation retardant for graphite50US 4,439,491 AGreat Lakes Carbon Corporation · 1984