C07C 277/02
Preparation of guanidine or its derivatives, i.e. compounds containing the group [image
Official title: of guanidine from cyanamide, calcium cyanamide or dicyandiamides
C07C277/02 (Preparation of guanidine or its derivatives, i.e. compounds containing the group [image) appears on 18 US grants and 20 published applications in this corpus.
Search patents in C07C- Granted patents
- 18
- Published applications
- 20
- Assignees
- 18
- Inventors
- 54
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 3 | 3 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 4 |
| 2019 | 5 | 2 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for preparing guanidino acetic acid26 Aug 2025US 12,398,096 B2Evonik Operations GmbH
- Integrated synthesis of commodity chemicals from waste plastic23 Nov 2021US 11,180,371 B2
- Solar energy devices19 Jan 2021US 10,894,765 B23M Innovative Properties Company
- Cathepsin K inhibitors and application thereof3 Dec 2019US 10,494,364 B2North & South Brother Pharmacy Investment Company Limited
- Synthesis of cyclocreatine and analogs thereof13 Aug 2019US 10,377,721 B2Lumos Pharma, Inc.
- Process for producing free-flowing particles comprising or consisting of an n-guanylamino acid28 May 2026US 2026/0146023 A1Evonik Operations GmbH
- Process for the preparation of vorasidenib14 Aug 2025US 2025/0257050 A1Les Laboratoires Servier
- Novel preparation method for sarcosine and derivatives thereof24 Oct 2024US 2024/0351976 A1Qianjiang Yongan Pharmaceutical Co Ltd
- Method for preparing guanidino acetic acid11 Jan 2024US 2024/0010611 A1Evonik Operations GmbH
- Preparation of metformin hydrochloride free from genotoxic impurity9 Dec 2021US 2021/0380529 A1Cadila Healthcare Limited
Most cited
By later US patents
- Preparation of substituted guanidines30US 5,298,657 ACambridge NeuroScience, Inc. · 1994
- Process for the preparation of a creatine or creatine monohydrate11US 5,719,319 ASKW Trostberg Aktiengesellschaft · 1998
- Solar energy devices2US 10,263,132 B23M Innovative Properties Company · 2019
- Integrated synthesis of commodity chemicals from waste plastic2US 11,180,371 B22021
- Preparation of substituted guanidines1US 5,489,709 ACambridge NeuroScience, Inc. · 1996