C01B 21/08
Hydrazoic acid
Official title: Hydrazoic acid; Azides; Halogen azides
C01B21/08 (Hydrazoic acid) appears on 19 US grants and 11 published applications in this corpus.
Search patents in C01B- Granted patents
- 19
- Published applications
- 11
- Assignees
- 19
- Inventors
- 64
- Latest grant
- 11 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 3 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for preparing copper azide and cuprous azide encapsulated by conductive metal-organic framework11 Feb 2025US 12,221,356 B2Nanjing University of Science and Technology
- Compositions and methods for simultaneous inactivation of alkaline phosphatase and peroxidase enzymes during automated multiplex tissue staining assays30 Apr 2024US 11,971,337 B2Ventana Medical Systems, Inc.
- Compositions and methods for simultaneous inactivation of alkaline phosphatase and peroxidase enzymes during automated multiplex tissue staining assays2 Nov 2021US 11,162,877 B2Ventana Medical Systems, Inc.
- Method of producing hydrogen12 Nov 2019US 10,472,234 B2United Kingdom Research and Innovation
- Method for preparation of silver azide15 May 2018US 9,969,623 B2Pacific Scientific Energetic Materials Company
- Method for generation of novel materials using nanosecond-pulsed discharge plasma in liquid phase27 Feb 2025US 2025/0065290 A1Drexel University
- Fast, easy, and direct azidylation of biomolecules in solution20 Feb 2025US 2025/0059228 A1Wisconsin Alumni Research Foundation
- Compositions and methods for simultaneous inactivation of alkaline phosphatase and peroxidase enzymes during automated multiplex tissue staining assays3 Oct 2024US 2024/0328910 A1Ventana Medical Systems, Inc.
- Method for preparing copper azide and cuprous azide encapsulated by conductive metal-organic framework22 Dec 2022US 2022/0402769 A1Nanjing University of Science and Technology
- Compositions and methods for simultaneous inactivation of alkaline phosphatase and peroxidase enzymes during automated multiplex tissue staining assays27 Jan 2022US 2022/0026319 A1Ventana Medical Systems, Inc.
Most cited
By later US patents
- Continuous process for the production of azide salts15US 5,098,597 AOlin Corporation · 1992
- Bisamido azides of gallium, aluminum and indium and their use as precursors for the growth of nitride films12US 5,675,028 ABoard of Regents, The University of Texas System · 1997
- Alkali metal azide particles8US 5,464,248 ANippon Carbide Kogyo Kabushiki Kaisha · 1995
- Mixed hydrogen generation material4US 7,341,703 B2General Motors Corporation · 2008
- Process for producing silver azide3US 3,943,235 AThe United States of America as represented by the Secretary of the Army · 1976