C08G 18/3231
Hydrazine or derivatives thereof
Official title: {Hydrazine or derivatives thereof}
C08G18/3231 (Hydrazine or derivatives thereof) appears on 51 US grants and 78 published applications in this corpus.
Search patents in C08G- Granted patents
- 51
- Published applications
- 78
- Assignees
- 41
- Inventors
- 189
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 3 | 4 |
| 2016 | 3 | 0 |
| 2017 | 0 | 3 |
| 2018 | 1 | 2 |
| 2019 | 2 | 4 |
| 2020 | 2 | 12 |
| 2021 | 6 | 7 |
| 2022 | 5 | 5 |
| 2023 | 2 | 16 |
| 2024 | 2 | 8 |
| 2025 | 12 | 2 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dispersions that are substantially free of volatile organic compounds and that have a high solids content8 Sep 2026US 12,729,266 B2Stahl International B.V.
- Aziridinyl functional compound26 May 2026US 12,637,423 B2Covestro (Netherlands) B.V.
- Coating composition3 Mar 2026US 12,565,473 B2Covestro (Netherlands) B.V.
- Aziridine functional compound23 Dec 2025US 12,503,435 B2Covestro (Netherlands) B.V.
- Porous layer constituent and production method therefor16 Dec 2025US 12,497,535 B2Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Process for producing low gloss coating surface by radiation curing20 Aug 2026US 2026/0241413 A1Covestro LLC
- Process for producing low gloss coating surface by radiation curing16 Jul 2026US 2026/0201170 A1Covestro LLC
- Process for producing low gloss coating surface by radiation curing9 Jul 2026US 2026/0192330 A1Covestro LLC
- Process for providing low gloss coatings2 Jul 2026US 2026/0183791 A1Covestro (Netherlands) B.V.
- Resin dispersion liquid for inkjet ink2 Apr 2026US 2026/0092136 A1Nicca Chemical Co., Ltd.
Most cited
By later US patents
- Process for preparing a coating with improved resistance to yellowing and the resulting coating25US 5,510,443 ABayer Aktiengesellschaft · 1996
- Aqueous coating compositions and their use for the preparation of coatings that are permeable to water vapor21US 5,716,676 ABayer Aktiengesellschaft · 1998
- Aqueous coating compositions and their use for the preparation of coatings that are permeable to water vapor19US 5,747,582 ABayer Aktiengesellschaft · 1998
- One-component coating compositions containing oxime- or lactam-blocked polyisocyanates which have improved resistance to yellowing16US 5,504,178 ABayer Aktiengesellschaft · 1996
- Amine-blocked polyisocyanates and their use in one-component stoving compositions6US 5,961,878 ABayer Aktiengesellschaft · 1999