C04B 2235/726
Sulfur content
C04B2235/726 (Sulfur content) appears on 92 US grants and 111 published applications in this corpus.
Search patents in C04B- Granted patents
- 92
- Published applications
- 111
- Assignees
- 75
- Inventors
- 260
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 2 |
| 2003 | 3 | 7 |
| 2004 | 3 | 3 |
| 2005 | 4 | 6 |
| 2006 | 2 | 7 |
| 2007 | 1 | 5 |
| 2008 | 2 | 5 |
| 2009 | 2 | 6 |
| 2010 | 4 | 10 |
| 2011 | 2 | 10 |
| 2012 | 7 | 5 |
| 2013 | 9 | 8 |
| 2014 | 5 | 2 |
| 2015 | 7 | 1 |
| 2016 | 2 | 2 |
| 2017 | 3 | 4 |
| 2018 | 3 | 2 |
| 2019 | 3 | 2 |
| 2020 | 2 | 4 |
| 2021 | 5 | 4 |
| 2022 | 2 | 5 |
| 2023 | 3 | 1 |
| 2024 | 1 | 5 |
| 2025 | 3 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Binder pitch for use in carbon composite materials6 Jan 2026US 12,516,247 B2Arq IP Limited
- Blend composition comprising petroleum coke and pyrolytic carbon for electrodes2 Dec 2025US 12,486,587 B2BASF SE
- Process for manufacturing carbon anodes for aluminium production cells and carbon anodes obtained from the same8 Apr 2025US 12,270,117 B2Alcoa USA Corp.
- Method for preparing refractory from secondary aluminum dross28 Jan 2025US 12,209,056 B2Chinalco Envir Prot & Energy Conserv Group Co., Ltd.
- Method for manufacturing high-density artificial graphite electrode12 Nov 2024US 12,139,409 B2Nippon Steel Chemical & Material Co., Ltd.
- Composite sintered body16 Jul 2026US 2026/0200803 A1NGK Insulators, Ltd.
- Ceramic structure compositions and methods for making the same from algal biomass21 May 2026US 2026/0138924 A1Georgia Southern University Research and Service Foundation, Inc.
- Blend composition comprising petroleum coke and pyrolytic carbon for electrodes12 Mar 2026US 2026/0071337 A1BASF SE
- Method of manufacturing ceramic composite with conductive or superconducting over room temperature at atmospheric (ambient) pressure and the ceramic composite6 Feb 2025US 2025/0042818 A1Quantum Energy Research Centre (Q-Centre)
- Method for synthesizing titanium diboride powder12 Dec 2024US 2024/0409420 A1
Most cited
By later US patents
- Dielectric ceramic, resin-ceramic composite material, electrical part and antenna, and manufacturing method thereof66US 6,686,406 B2Furukawa Electric Co., Ltd. · 2004
- Magnetic ferrite composition and process of production thereof30US 6,790,379 B2TDK Corporation · 2004
- Dome and window for missiles and launch tubes with high ultraviolet transmittance29US 4,930,731 ACoors Porcelain Company · 1990
- Zircon refractories with improved thermal shock resistance27US 5,124,287 ACorhart Refractories Corporation · 1992
- Aluminum nitride sintered body, ceramic substrate, ceramic heater and electrostatic chuck19US 6,929,874 B2Ibiden Co., Ltd. · 2005