C04B 2235/9669
Resistance against chemicals
Official title: Resistance against chemicals, e.g. against molten glass or molten salts
C04B2235/9669 (Resistance against chemicals) appears on 614 US grants and 715 published applications in this corpus.
Search patents in C04B- Granted patents
- 614
- Published applications
- 715
- Assignees
- 432
- Inventors
- 1,834
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 8 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 5 | 0 |
| 1993 | 11 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 9 |
| 2003 | 5 | 12 |
| 2004 | 13 | 13 |
| 2005 | 4 | 28 |
| 2006 | 12 | 34 |
| 2007 | 15 | 24 |
| 2008 | 22 | 24 |
| 2009 | 14 | 34 |
| 2010 | 10 | 29 |
| 2011 | 21 | 27 |
| 2012 | 22 | 23 |
| 2013 | 23 | 31 |
| 2014 | 15 | 25 |
| 2015 | 18 | 24 |
| 2016 | 26 | 30 |
| 2017 | 30 | 29 |
| 2018 | 18 | 21 |
| 2019 | 24 | 40 |
| 2020 | 24 | 39 |
| 2021 | 19 | 33 |
| 2022 | 25 | 45 |
| 2023 | 31 | 43 |
| 2024 | 23 | 41 |
| 2025 | 29 | 42 |
| 2026 | 23 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High-zirconia electro-fused cast refractory material25 Aug 2026US 12,715,817 B2Saint-Gobain TM K.K.
- Alumina-based sintered body and electrostatic chuck4 Aug 2026US 12,698,238 B2Niterra Co., Ltd.
- Sagger for sintering lithium composite transition metal oxide and preparation method thereof4 Aug 2026US 12,698,242 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Ceramic component and method of manufacturing ceramic component14 Jul 2026US 12,679,772 B2Solmics Co., Ltd.
- Sintered material, semiconductor manufacturing apparatus including the same, and method of manufacturing the sintered material19 May 2026US 12,630,479 B2Samsung Electronics Co., Ltd.
- CaO-ZrO2 Composition, Method for Producing CaO-ZrO2 Composition, and CaO-ZrO2-Containing Refractory Material and Casting Nozzle13 Aug 2026US 2026/0234064 A1Krosakiharima Corporation
- Environmental barrier coating and method of making the same30 Jul 2026US 2026/0217618 A1Raytheon Technologies Corporation
- Process for manufacturing a shaped si-sic article, shaped article, and use23 Jul 2026US 2026/0209126 A1Schunk Ingenieurkeramik GmbH
- A tube furnace for the use in a sintering and/or debinding process16 Jul 2026US 2026/0199973 A1BASF SE
- Chromium oxide refractory object and methods of forming thereof2 Jul 2026US 2026/0184641 A1Saint-Gobain Ceramics & Plastics, Inc.
Most cited
By later US patents
- BN coating of ceramic fibers for ceramic fiber composites139US 4,642,271 AThe United States of America as represented by the Secretary of the Navy · 1987
- Method and apparatus which reduce the erosion rate of surfaces exposed to halogen-containing plasmas123US 7,696,117 B2APPLIED Materials.Inc. · 2010
- Multilayer article characterized by low coefficient of thermal expansion outer layer104US 6,759,151 B1The United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 2004
- Semiconductor processing apparatus which is formed from yttrium oxide and zirconium oxide to produce a solid solution ceramic apparatus88US 8,034,734 B2APPLIED Materials.Inc. · 2011
- Internal combustion engine and composite parts formed from silicon carbide fiber-reinforced ceramic or glass matrices77US 4,341,826 AUnited Technologies Corporation · 1982