C07C 227/24
From hydantoins
Official title: from hydantoins
C07C227/24 (From hydantoins) appears on 12 US grants and 3 published applications in this corpus.
Search patents in C07C- Granted patents
- 12
- Published applications
- 3
- Assignees
- 9
- Inventors
- 47
- Latest grant
- 7 Jun 2011
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for the preparation and isolation of the individual stereoisomers of 1-amino, 3-substituted phenylcyclopentane-carboxylates7 Jun 2011US 7,956,195 B2Abbott Laboratories
- Process for the preparation of alpha-amino acids by hydrolysis of hydantoins at elevated pressure and elevated temperature28 Sep 2004US 6,797,827 B2Degussa AG
- Method for preparing chiral amino acids27 Jan 2004US 6,683,190 B1Bayer CropScience AG
- Hydantoin intermediates for the synthesis of omapatrilat and methods for producing and using the same9 Oct 2001US 6,300,503 B1Dixie Chemical Company
- Dinitrile intermediates for the synthesis of omapatrilat and methods for producing same4 Sep 2001US 6,284,901 B1Dixie Chemical Company
- Kettle-type continuous production method for glycine11 Jan 2024US 2024/0010608 A1Huayang New Material Technology Group Co., Lt
- Process for the preparation and isolation of the individual stereoisomers of 1-amino, 3-substituted phenylcyclopentane-carboxylates16 Oct 2008US 2008/0255367 A1Abbott Laboratories
- Process for the preparation of alpha-amino acids by hydrolysis of hydantoins at elevated pressure and elevated temperature26 Feb 2004US 2004/0039228 A1Degussa AG
Most cited
By later US patents
- Process for the production of calcium salts of hydantoic acids14US 5,338,859 AHoechst Celanese Corporation · 1994
- Preparation of bicyclohexane derivative6US 5,726,320 AEli Lilly and Company · 1998
- Process for the preparation of alpha-amino acids by hydrolysis of hydantoins at elevated pressure and elevated temperature6US 6,797,827 B2Degussa AG · 2004
- Process for preparing phenethanol ethers by the reduction of corresponding phenylglyoxal acetals5US 5,124,489 AHoechst Celanese Corporation · 1992
- Method for handling iminocarboxylic acid salt4US 6,063,302 ANippon Shokubai Co., Ltd. · 2000