C07C 265/00
Derivatives of isocyanic acid
C07C265/00 (Derivatives of isocyanic acid) appears on 489 US grants and 279 published applications in this corpus.
Search patents in C07C- Granted patents
- 489
- Published applications
- 279
- Assignees
- 218
- Inventors
- 1,256
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 10 | 0 |
| 1978 | 18 | 0 |
| 1979 | 11 | 0 |
| 1980 | 6 | 0 |
| 1981 | 14 | 0 |
| 1982 | 12 | 0 |
| 1983 | 12 | 0 |
| 1984 | 17 | 0 |
| 1985 | 14 | 0 |
| 1986 | 22 | 0 |
| 1987 | 11 | 0 |
| 1988 | 11 | 0 |
| 1989 | 17 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 12 | 0 |
| 1993 | 9 | 0 |
| 1994 | 14 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 12 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 5 |
| 2003 | 8 | 10 |
| 2004 | 3 | 7 |
| 2005 | 4 | 4 |
| 2006 | 5 | 6 |
| 2007 | 1 | 4 |
| 2008 | 2 | 4 |
| 2009 | 3 | 9 |
| 2010 | 2 | 8 |
| 2011 | 7 | 9 |
| 2012 | 4 | 9 |
| 2013 | 9 | 14 |
| 2014 | 12 | 12 |
| 2015 | 14 | 17 |
| 2016 | 14 | 22 |
| 2017 | 10 | 11 |
| 2018 | 12 | 15 |
| 2019 | 14 | 13 |
| 2020 | 11 | 18 |
| 2021 | 7 | 25 |
| 2022 | 13 | 7 |
| 2023 | 16 | 18 |
| 2024 | 2 | 14 |
| 2025 | 6 | 6 |
| 2026 | 12 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 265/12Derivatives of isocyanic acid: having isocyanate groups bound to carbon atoms of183
- C07C 265/14Containing at least two isocyanate groups bound to the same carbon skeleton150
- C07C 265/02Derivatives of isocyanic acid: having isocyanate groups bound to acyclic carbon atoms90
- C07C 265/10Derivatives of isocyanic acid: having isocyanate groups bound to carbon atoms of42
- C07C 265/16Derivatives of isocyanic acid: having isocyanate groups acylated20
Recent patents
- Water-dispersible polyisocyanate, aqueous polyurethane resin composition, and article25 Aug 2026US 12,715,956 B2Mitsui Chemicals, Inc.
- (meth)acrylic acid ester compound having isocyanate group and method for producing same11 Aug 2026US 12,703,677 B2Resonac Corporation
- Process for producing 1, 5-pentamethylene diisocyanate from cadaverine salt11 Aug 2026US 12,703,678 B2Mojia Biotech Ltd.
- Xylylene diisocynate composition, preparation method therefor and use thereof14 Jul 2026US 12,679,923 B2Wanhua Chemical Group Co., Ltd.
- Method of producing carbonyl compound and flow type reaction system of producing carbonyl compound23 Jun 2026US 12,662,447 B2FUJIFILM Corporation
- Curable urethane di(meth)acrylates6 Aug 2026US 2026/0226216 A1
- A process for preparing at least one polyisocyanate from a solid material w6 Aug 2026US 2026/0226252 A1BASF SE
- Conversion of a hydrocarbon feedstock derived from oxygen-rich biomass into aromatic isocyanates23 Jul 2026US 2026/0209166 A1Ifp Energies Nouvelles
- Additive mixtures for rheology modification of polymers2 Jul 2026US 2026/0184859 A1BASF SE
- Method for preparing diisocyanate11 Jun 2026US 2026/0159475 A1Hanwha Solutions Corporation
Most cited
By later US patents
- 20-O-Acylmaytansinoids296US 4,294,757 ATakeda Chemical Industries, Ltd. · 1981
- High molecular weight polymer-based prodrugs182US 5,614,549 AEnzon, Inc. · 1997
- Poly(perfluoroalkylene oxide) derivatives106US 4,085,137 AMinnesota Mining and Manufacturing Company · 1978
- Poly(perfluoroalkylene oxide) derivatives104US 4,094,911 AMinnesota Mining and Manufacturing Company · 1978
- Heterocyclic compounds90US 5,017,211 ACiba-Geigy Corporation · 1991