C03C 13/001
Alkali-resistant fibres
Official title: {Alkali-resistant fibres}
C03C13/001 (Alkali-resistant fibres) appears on 82 US grants and 30 published applications in this corpus.
Search patents in C03C- Granted patents
- 82
- Published applications
- 30
- Assignees
- 54
- Inventors
- 156
- Latest grant
- 14 Feb 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 10 | 0 |
| 1978 | 14 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 3 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 2 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 2 |
| 2014 | 2 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 5 | 3 |
| 2018 | 1 | 0 |
| 2019 | 2 | 3 |
| 2020 | 1 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Glass fiber and method for producing same14 Feb 2023US 11,577,990 B2Nippon Electric Glass Co., Ltd.
- Borosilicate glass with high chemical resistance and application thereof3 May 2022US 11,319,242 B2Sunshine Lake Pharma Co., Ltd.
- Inorganic fiber5 Jan 2021US 10,882,779 B2Unifrax I LLC
- Glass compositions and fibers made therefrom24 Nov 2020US 10,843,959 B2Electric Glass Fiber America, LLC
- Methods to make glass compositions and fibers made therefrom13 Aug 2019US 10,377,663 B2
- Glass composition, glass fiber, glass filler, glass fiber manufacturing method, and glass filler manufacturing method12 Feb 2026US 2026/0042699 A1Nippon Fiber Corporation
- Glass fiber20 Feb 2025US 2025/0059082 A1Nippon Sheet Glass Co., Ltd.
- Glass fiber, glass fiber manufacturing method, and glass30 Jan 2025US 2025/0034032 A1Nippon Electric Glass Co., Ltd.
- Glass fiber and method for producing same17 Jun 2021US 2021/0179485 A1Nippon Electric Glass Co., Ltd.
- Inorganic fiber18 Mar 2021US 2021/0078898 A1Unifrax I LLC
Most cited
By later US patents
- Glass compositions suitable for incorporation into concrete119US 4,002,482 AJenaer Glaswerk Schott & Gen. · 1977
- Aluminum-free borosilicate glass and applications thereof86US 7,315,125 B2Schott AG · 2008
- Method of producing finely divided polymer particles67US 4,221,862 AFuji Photo Film Co., Ltd. · 1980
- Glass with high proportion of zirconium-oxide and its uses62US 6,630,420 B1Schott Glas · 2003
- Lathanide series oxide modified alkaline-resistant glass57US 4,882,302 AEnsci, Inc. · 1989