B01J 2203/0695
Colour change
B01J2203/0695 (Colour change) appears on 13 US grants and 19 published applications in this corpus.
Search patents in B01J- Granted patents
- 13
- Published applications
- 19
- Assignees
- 10
- Inventors
- 36
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 2 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 2 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat treatment of nanodiamond particles with controlled powder layer depth28 Jul 2026US 12,692,437 B2Schlumberger Technology Corporation
- Method for producing nanodiamonds doped with group 14 element, and method for purifying same2 Sep 2025US 12,403,437 B2Daicel Corporation
- Luminescent diamond10 Jun 2025US 12,325,814 B2Schlumberger Technology Corporation
- Diamond tool piece22 Feb 2022US 11,253,925 B2Element Six (UK) Limited
- Engineered fluorescent nanodiamond30 Mar 2021US 10,961,449 B2Carnegie Institution of Washington
- Luminescent diamond2 Oct 2025US 2025/0304854 A1Schlumberger Technology Corporation
- Heat treatment of nanodiamond particles with controlled powder layer depth3 Jul 2025US 2025/0215313 A1Schlumberger Technology Corporation
- Luminescent diamond with negatively charged vacancies19 Jun 2025US 2025/0197720 A1Schlumberger Technology Corporation
- Method for producing nanodiamonds doped with group 14 element, and method for purifying same20 Oct 2022US 2022/0331766 A1Daicel Corporation
- Luminescent diamond24 Feb 2022US 2022/0056337 A1Schlumberger Technology Corporation
Most cited
By later US patents
- High pressure and high temperature production of diamonds46US 7,241,434 B2Bellataire International, LLC · 2007
- Annealing type Ib or mixed type Ib-Ia natural diamond crystal30US 4,124,690 AGeneral Electric Company · 1978
- Annealing synthetic diamond type Ib20US 4,174,380 AGeneral Electric Company · 1979
- Diamond treatment16US 4,399,364 A1983
- High pressure/high temperature production of colorless and fancy-colored diamonds8US 6,692,714 B22004