C07C 209/62
Preparation of compounds containing amino groups bound to a carbon skeleton: by
Official title: by cleaving carbon-to-nitrogen, sulfur-to-nitrogen, or phosphorus-to-nitrogen bonds, e.g. hydrolysis of amides, N-dealkylation of amines or quaternary ammonium compounds (C07C209/24 takes precedence)
C07C209/62 (Preparation of compounds containing amino groups bound to a carbon skeleton: by) appears on 283 US grants and 246 published applications in this corpus.
Search patents in C07C- Granted patents
- 283
- Published applications
- 246
- Assignees
- 174
- Inventors
- 772
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 0 |
| 2002 | 11 | 7 |
| 2003 | 9 | 7 |
| 2004 | 5 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 10 |
| 2007 | 3 | 5 |
| 2008 | 7 | 6 |
| 2009 | 3 | 16 |
| 2010 | 7 | 7 |
| 2011 | 6 | 14 |
| 2012 | 8 | 14 |
| 2013 | 12 | 10 |
| 2014 | 11 | 11 |
| 2015 | 10 | 15 |
| 2016 | 10 | 9 |
| 2017 | 6 | 6 |
| 2018 | 9 | 8 |
| 2019 | 7 | 13 |
| 2020 | 5 | 20 |
| 2021 | 14 | 6 |
| 2022 | 15 | 16 |
| 2023 | 5 | 10 |
| 2024 | 6 | 13 |
| 2025 | 5 | 9 |
| 2026 | 8 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chemically cleavable group15 Sep 2026US 12,735,444 B2Tagworks Pharmaceuticals B.V.
- Manufacture of nitrile compounds16 Jun 2026US 12,655,093 B2Nouryon Chemicals International B. V.
- Process for the decomposition of polyurethane31 Mar 2026US 12,590,198 B2Neveon Germany GMBH
- Products obtained by the conversion of glycolaldehyde derivatives and aminating agents and their conversion to ethyleneamines and ethanolamines24 Mar 2026US 12,583,827 B2BASF SE
- Process for preparing (R)-4-aminoindane and corresponding amides10 Mar 2026US 12,570,601 B2Fmc Agro Singapore Pte. Ltd.
- A process for the preparation of crystalline form a of n, n'-bis(2-aminoethyl)-1,2-ethanediamine tetrahydrochloride8 Oct 2026US 2026/0308105 A1Biophore India Pharmaceuticals PVT. Ltd.
- Method for recycling a polyamide under acidic conditions27 Aug 2026US 2026/0250482 A1Syensqo Specialty Polymers USA, LLC
- An improved process for the preparation of intermediates used in the preparation of dasatinib20 Aug 2026US 2026/0242329 A1Ocimum Labs Private Limited
- A process for preparing at least one polyisocyanate from a solid material w6 Aug 2026US 2026/0226252 A1BASF SE
- Conversion of polyisocyanurate30 Jul 2026US 2026/0217942 A1Unilin BV
Most cited
By later US patents
- Anti-neoplastic, anti-viral or anti-retroviral spermine derivatives54US 5,091,576 AUniversity of Florida · 1992
- Production of secondary amines48US 4,264,776 AMonsanto Company · 1981
- Process for the preparation of chiral 1-aryl-2-aminopropanes41US 5,360,724 ACelgene Corporation · 1994
- Monomer recovery process for contaminated polymers33US 5,710,315 AE. I. Du Pont de Nemours and Company · 1998
- Making a nitrodiarylamine by reacting an alkali metal salt of a formamide with a nitrohaloarene32US 4,187,248 AMonsanto Company · 1980