C07C 267/00
Carbodiimides
C07C267/00 (Carbodiimides) appears on 91 US grants and 65 published applications in this corpus.
Search patents in C07C- Granted patents
- 91
- Published applications
- 65
- Assignees
- 54
- Inventors
- 246
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 4 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 3 | 4 |
| 2011 | 2 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 3 |
| 2014 | 4 | 6 |
| 2015 | 2 | 3 |
| 2016 | 5 | 2 |
| 2017 | 2 | 5 |
| 2018 | 3 | 9 |
| 2019 | 5 | 5 |
| 2020 | 3 | 3 |
| 2021 | 3 | 4 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 4 | 3 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polyalkylene glycol terminated poly-carbodiimides, and process for forming same28 Oct 2025US 12,454,595 B1Evoco Limited
- Method for producing carbodiimide compound27 Aug 2024US 12,071,395 B2Nisshinbo Chemical Inc.
- Phenyl isocyanate conversion process9 Jul 2024US 12,030,836 B2Dow Global Technologies LLC
- Method for producing carbodiimide compound25 Jun 2024US 12,017,977 B2Nisshinbo Chemical Inc.
- Production method of maleimide16 Apr 2024US 11,958,806 B2Unitika Ltd.
- Polyalkylene glycol terminated poly-carbodiimides, and process for forming same5 Mar 2026US 2026/0062511 A1
- Production method for peptide compound4 Sep 2025US 2025/0276995 A1Chugai Seiyaku Kabushiki Kaisha
- Aromatic carbodiimides, process for the preparation and use thereof5 Sep 2024US 2024/0294693 A1LANXESS Deutschland GmbH
- Acrylic compound containing perfluoropolyether group and composition comprising the same22 Aug 2024US 2024/0279163 A1Dongwoo Fine-Chem Co., Ltd.
- Process for Preparing Carbodiimides27 Jun 2024US 2024/0209136 A1LANXESS Deutschland GmbH
Most cited
By later US patents
- Functionalized ionic liquids, and methods of use thereof64US 7,208,605 B2University of South Alabama · 2007
- Polyisocyanates which contain carbodiimide groups and which are stable in storage53US 4,294,719 ABayer Aktiengesellschaft · 1981
- Process for the production of polyisocyanates which contain carbodiimide groups and which are stable in storage50US 4,344,855 ABayer Aktiengesellschaft · 1982
- Coupling reagent and method40US 5,416,193 APfizer Inc. · 1995
- Carbodiimides37US 4,014,935 AImperial Chemical Industries PLC · 1977