C07C 209/90
Stabilisation
Official title: Stabilisation; Use of additives
C07C209/90 (Stabilisation) appears on 51 US grants and 38 published applications in this corpus.
Search patents in C07C- Granted patents
- 51
- Published applications
- 38
- Assignees
- 45
- Inventors
- 156
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 3 | 4 |
| 2008 | 0 | 0 |
| 2009 | 2 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 3 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 5 |
| 2021 | 2 | 5 |
| 2022 | 2 | 1 |
| 2023 | 1 | 4 |
| 2024 | 2 | 1 |
| 2025 | 3 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Alkylamine composition and method for storing said alkylamine composition21 Jul 2026US 12,686,656 B2Central Glass Company, Limited
- Stable alkali amide solutions and processes for preparing same2 Dec 2025US 12,486,291 B2Albemarle Germany GmbH
- Trientine tetrahydrochloride and a method of preparation and a pharmaceutical composition thereof20 May 2025US 12,304,881 B2Yu-Jet Co., Ltd
- Processes for regeneration of organocations14 Jan 2025US 12,195,372 B2Toxsorb Ltd.
- Method for preparing an amine hydrochloride suspension26 Nov 2024US 12,151,997 B2Covestro Intellectual Property GmbH & Co.KG
- Stable alkali amide solutions and process for their preparation16 Oct 2025US 2025/0320230 A1Albemarle Germany GmbH
- Processes for the Preparation of Fenfluramine18 Jan 2024US 2024/0018090 A1Apotex Inc.
- Trientine tetrahydrochloride and a method of preparation and a pharmaceutical composition thereof26 Oct 2023US 2023/0339842 A1Yu-Jet Co., Ltd
- Method for Preparing an Amine Hydrochloride Suspension31 Aug 2023US 2023/0271916 A1Covestro Intellectual Property GmbH & Co.KG
- Alkylamine composition and method for storing said alkylamine composition17 Aug 2023US 2023/0257339 A1Central Glass Company, Limited
Most cited
By later US patents
- Stable lithium diisopropylamide and method of preparation16US 4,595,779 ALithium Corporation of America · 1986
- Process for elimination N-nitrosamines from N-nitrosamine-containing compositions10US 4,675,445 ABASF SE · 1987
- Process for storage and transport of toluenediamine7US 5,449,832 AAir Products and Chemicals, Inc. · 1995
- Process for storage and transport of toluenediamine6US 5,714,634 AAir Products and Chemicals, Inc. · 1998
- Reducing the coloration of aromatic diamines6US 5,874,619 AAlbemarle Corporation · 1999