B01J 31/0252
With a metal-nitrogen link
Official title: {with a metal-nitrogen link, e.g. metal amides, metal guanidides}
B01J31/0252 (With a metal-nitrogen link) appears on 63 US grants and 56 published applications in this corpus.
Search patents in B01J- Granted patents
- 63
- Published applications
- 56
- Assignees
- 67
- Inventors
- 176
- Latest grant
- 25 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 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 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 2 |
| 2002 | 7 | 4 |
| 2003 | 4 | 4 |
| 2004 | 1 | 3 |
| 2005 | 1 | 3 |
| 2006 | 3 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 2 |
| 2009 | 0 | 2 |
| 2010 | 2 | 1 |
| 2011 | 2 | 4 |
| 2012 | 1 | 4 |
| 2013 | 1 | 2 |
| 2014 | 4 | 0 |
| 2015 | 3 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 2 | 6 |
| 2021 | 1 | 7 |
| 2022 | 3 | 2 |
| 2023 | 1 | 1 |
| 2024 | 3 | 2 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing carbodiimide compound25 Jun 2024US 12,017,977 B2Nisshinbo Chemical Inc.
- Method for dissolving metals by photocatalysis5 Mar 2024US 11,920,212 B2Shanghai Normal University
- Application of lithium 4-methoxyaniline in catalysis of hydroboration reaction of imine and borane6 Feb 2024US 11,891,408 B2Soochow University
- Method for producing carbon monoxide28 Feb 2023US 11,591,225 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Process for producing liquid polysilanes and isomer enriched higher silanes5 Jul 2022US 11,377,359 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Catalyst for ammonia synthesis obtained by combining hydrogen-containing aluminum and iron3 Sep 2026US 2026/0257929 A1Institute of Science Tokyo
- Ethylene sensor4 Jun 2026US 2026/0153492 A1Massachusetts Institute of Technology
- Perfluorinated amide salts and their uses as ionic conducting materials1 Aug 2024US 2024/0253023 A1
- Apparatus and method for converting carbon dioxide to sugars8 Feb 2024US 2024/0043464 A1Air Company Holdings, Inc.
- Method for producing carbodiimide compound6 Apr 2023US 2023/0106672 A1Nisshinbo Chemical Inc.
Most cited
By later US patents
- Process for converting ethylene to light alpha olefins63US 6,221,986 B1Institut Francais du Petrole · 2001
- Perfluorinated amide salts and their uses as ionic conducting materials61US 6,319,428 B1Centre National De La Recherche Scientifique · 2001
- Catalytic composition and a process for converting ethylene to light alpha olefins60US 6,103,654 AInstitut Francais du Petrole · 2000
- Process for preparing optically active compounds54US 6,184,381 B2Asahi Kasei Kogyo Kabushiki Kaisha · 2001
- Proton conductors in liquid form34US 6,120,696 ACentre National De La Recherche Scientifique · 2000