C04B 35/22
Rich in calcium oxide
Official title: rich in calcium oxide {, e.g. wollastonite (C04B35/195 takes precedence)}
C04B35/22 (Rich in calcium oxide) appears on 115 US grants and 112 published applications in this corpus.
Search patents in C04B- Granted patents
- 115
- Published applications
- 112
- Assignees
- 102
- Inventors
- 351
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 5 |
| 2004 | 4 | 3 |
| 2005 | 3 | 5 |
| 2006 | 1 | 2 |
| 2007 | 5 | 6 |
| 2008 | 2 | 3 |
| 2009 | 2 | 2 |
| 2010 | 3 | 6 |
| 2011 | 2 | 4 |
| 2012 | 2 | 5 |
| 2013 | 1 | 4 |
| 2014 | 3 | 6 |
| 2015 | 10 | 3 |
| 2016 | 1 | 6 |
| 2017 | 5 | 4 |
| 2018 | 4 | 5 |
| 2019 | 3 | 5 |
| 2020 | 5 | 6 |
| 2021 | 3 | 5 |
| 2022 | 5 | 7 |
| 2023 | 3 | 8 |
| 2024 | 4 | 5 |
| 2025 | 4 | 3 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Synthetic mineral composition, a method of forming a synthetic mineral composition and uses of a synthetic mineral composition15 Sep 2026US 12,735,360 B2Sibelco Nederland N.V.
- Structural implant for bone repair19 May 2026US 12,629,457 B2Rutgers, The State University of New Jersey
- Process for the preparation of up-conversion phosphors14 Apr 2026US 12,600,905 B2Evonik Operations GmbH
- Methods for low energy inorganic material synthesis21 Oct 2025US 12,448,700 B2Rutgers, The State University of New Jersey
- Fused sand-resistant turbine part14 Oct 2025US 12,441,659 B2Safran
- Multiphase ceramic matrix composite6 Aug 2026US 2026/0225961 A1Rtx Corporation
- Methods for low energy inorganic material synthesis1 Jan 2026US 2026/0002283 A1Rutgers, The State University of New Jersey
- Glass ceramic structure and electronic component23 Oct 2025US 2025/0326684 A1Murata Manufacturing Co., Ltd.
- Multi-stack spark plasma sintering parallel manufacturing26 Jun 2025US 2025/0205779 A1Ats IP, LLC
- Glass ceramic and manufacturing method thereof27 Mar 2025US 2025/0100923 A1National Sun Yat-Sen University
Most cited
By later US patents
- Tunable dielectric compositions including low loss glass184US 6,905,989 B2Paratek Microwave, Inc. · 2005
- Ceramic dental implant72US 4,321,042 A1982
- Biomedical material36US 5,032,552 ATDK Corporation · 1991
- Electric field activation of shape memory ceramics28US 9,548,678 B2Massachusetts Institute of Technology · 2017
- Shaped bodies of calcium silicate and process for producing same26US 4,162,924 AKabushiki Kaisha Osaka Packing Seizosho · 1979