C03C 21/002
To perform ion-exchange between alkali ions
Official title: {to perform ion-exchange between alkali ions (C03C21/005 takes precedence)}
C03C21/002 (To perform ion-exchange between alkali ions) appears on 1,490 US grants and 2,172 published applications in this corpus.
Search patents in C03C- Granted patents
- 1,490
- Published applications
- 2,172
- Assignees
- 210
- Inventors
- 2,198
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 8 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 5 |
| 2002 | 10 | 3 |
| 2003 | 11 | 19 |
| 2004 | 8 | 6 |
| 2005 | 4 | 11 |
| 2006 | 3 | 5 |
| 2007 | 4 | 3 |
| 2008 | 2 | 6 |
| 2009 | 3 | 16 |
| 2010 | 7 | 22 |
| 2011 | 6 | 37 |
| 2012 | 12 | 57 |
| 2013 | 24 | 82 |
| 2014 | 50 | 121 |
| 2015 | 50 | 137 |
| 2016 | 63 | 124 |
| 2017 | 111 | 150 |
| 2018 | 85 | 158 |
| 2019 | 101 | 142 |
| 2020 | 113 | 174 |
| 2021 | 121 | 172 |
| 2022 | 129 | 173 |
| 2023 | 146 | 179 |
| 2024 | 150 | 153 |
| 2025 | 118 | 133 |
| 2026 | 61 | 84 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hoistway mechanics of panoramic vacuum elevator29 Sep 2026US 12,747,136 B2Blissera Corp.
- Glass, chemically strengthened glass, and method for producing glass having curved shape29 Sep 2026US 12,747,180 B2AGC Inc.
- Cover glass with an anomalous stress profile, process for production thereof and use thereof22 Sep 2026US 12,741,903 B2Schott AG
- Crystallized glass15 Sep 2026US 12,735,348 B2Nippon Electric Glass Co., Ltd.
- Glass-ceramic dental prosthesis and method for preparing the same, method for reinforcing glass or glass-ceramics, and alkaline reinforcing paste15 Sep 2026US 12,735,350 B2Fuzhou Rick Brown Biomaterials Co., Ltd.
- Glass compositions that enable high compressive stress8 Oct 2026US 2026/0308044 A1Corning Incorporated
- Microcrystalline glass, microcrystalline glass product and manufacturing method thereof8 Oct 2026US 2026/0308046 A1Cdgm Glass Co., Ltd
- Glass-ceramic substrates having improved mechanical durability and microelectronic articles including same1 Oct 2026US 2026/0296954 A1Corning Incorporated
- Apparatus for manufacturing glass article and method for manufacturing glass article using the same24 Sep 2026US 2026/0285748 A1Samsung Display Co., Ltd.
- Low-modulus ion-exchangeable glass compositions17 Sep 2026US 2026/0274740 A1Corning Incorporated
Most cited
By later US patents
- Down-drawable, chemically strengthened glass for cover plate229US 7,666,511 B2Corning Incorporated · 2010
- Glass with compressive surface for consumer applications180US 8,561,429 B2Corning Incorporated · 2013
- Crack and scratch resistant glass and enclosures made therefrom172US 8,586,492 B2Corning Incorporated · 2013
- Dual stage ion exchange for chemical strengthening of glass170US 8,312,739 B2Corning Incorporated · 2012
- Ion exchangeable glass with high crack initiation threshold150US 9,156,724 B2Corning Incorporated · 2015