C01B 19/02
Elemental selenium or tellurium
C01B19/02 (Elemental selenium or tellurium) appears on 93 US grants and 69 published applications in this corpus.
Search patents in C01B- Granted patents
- 93
- Published applications
- 69
- Assignees
- 65
- Inventors
- 260
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 5 |
| 2011 | 2 | 4 |
| 2012 | 3 | 1 |
| 2013 | 2 | 3 |
| 2014 | 1 | 11 |
| 2015 | 2 | 4 |
| 2016 | 5 | 4 |
| 2017 | 10 | 7 |
| 2018 | 3 | 3 |
| 2019 | 4 | 6 |
| 2020 | 1 | 5 |
| 2021 | 2 | 4 |
| 2022 | 3 | 2 |
| 2023 | 4 | 1 |
| 2024 | 2 | 2 |
| 2025 | 0 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Direct solution deposition of metal selenide semiconductors using novel metal-selenium complexes and films made therefrom24 Feb 2026US 12,559,371 B2Purdue Research Foundation
- Selenium nanomaterials and methods of making and using same31 Dec 2024US 12,179,170 B2Regents of the University of Minnesota
- Twinned two-dimensional tellurium crystals with co-existing opposite chirality19 Nov 2024US 12,145,843 B2Purdue Research Foundation
- Selenium nanomaterials and methods of making and using same26 Dec 2023US 11,850,568 B2Regents of the University of Minnesota
- Substrate-free 2D tellurene28 Nov 2023US 11,827,515 B2Purdue Research Foundation
- Recycling tellurium and other materials utilized in teg manufacturing3 Sep 2026US 2026/0257914 A1Ats IP, LLC
- Full hydrometallurgical process for recovering multiple metals from complex rare and precious material16 Jul 2026US 2026/0201500 A1Copper Branch Company of Yunnan Tin Company Lmited
- Method for preparing 7n tellurium31 Jul 2025US 2025/0243058 A1Kunming University of Science and Technology
- Selenium nanomaterials and methods of making and using same13 Mar 2025US 2025/0083123 A1Regents of the University of Minnesota
- Twinned two-dimensional tellurium crystals with co-existing opposite chirality2 Jan 2025US 2025/0002343 A1Purdue Research Foundation
Most cited
By later US patents
- Process and apparatus for the production of nanometer-sized powders51US 6,398,125 B1Nanotek Instruments, Inc. · 2002
- Destruction of inorganic hazardous wastes47US 4,695,447 ADetox International Corporation · 1987
- Treatment of copper refinery slimes30US 4,094,668 ANewmont Exploration Limited · 1978
- Process for producing pulverous selenium from raw selenium29US 4,127,235 AOutokumpu Oy · 1978
- Method of selectively removing selenium ions from an aqueous solution29US 4,806,264 AThe United Sates of America as represented by the Secretary of the Interior · 1989