C08G 18/3256
Reaction products of polyamines with aldehydes or ketones
Official title: {Reaction products of polyamines with aldehydes or ketones}
C08G18/3256 (Reaction products of polyamines with aldehydes or ketones) appears on 130 US grants and 98 published applications in this corpus.
Search patents in C08G- Granted patents
- 130
- Published applications
- 98
- Assignees
- 58
- Inventors
- 308
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 8 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 1 |
| 2003 | 3 | 3 |
| 2004 | 2 | 2 |
| 2005 | 0 | 4 |
| 2006 | 3 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 5 |
| 2010 | 1 | 10 |
| 2011 | 1 | 3 |
| 2012 | 4 | 4 |
| 2013 | 5 | 2 |
| 2014 | 4 | 4 |
| 2015 | 3 | 7 |
| 2016 | 2 | 2 |
| 2017 | 4 | 2 |
| 2018 | 2 | 6 |
| 2019 | 5 | 7 |
| 2020 | 3 | 5 |
| 2021 | 3 | 10 |
| 2022 | 6 | 3 |
| 2023 | 4 | 6 |
| 2024 | 4 | 3 |
| 2025 | 5 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Curable film-forming compositions and coated structures with improved corrosion resistance and durability12 May 2026US 12,624,246 B2PPG Industries Ohio, Inc.
- Moisture-curable polyurethane composition with reduced surface tackiness1 Jul 2025US 12,344,701 B2Sika Technology AG
- Water-based composition with chemical cross-linking10 Jun 2025US 12,325,810 B2Sika Technology AG
- Solvent for aromatic carboxylic or sulfonic acids3 Jun 2025US 12,319,776 B2Sika Technology AG
- Thixotropic agent for curable compositions4 Mar 2025US 12,240,960 B2Sika Technology AG
- A waterborne coating composition and its applications thereof24 Sep 2026US 2026/0286147 A1BASF Coatings GmbH
- A 2k clearcoat coating composition and its application thereof2 Jul 2026US 2026/0184950 A1BASF Coatings GmbH
- Moisture and heat-curable sealing composition21 May 2026US 2026/0139170 A1Sika Technology AG
- Coating primer having good applicability at low temperatures26 Jun 2025US 2025/0206871 A1Sika Technology AG
- Low-temperature curing coating compositions6 Feb 2025US 2025/0043165 A1PPG Industries Ohio, Inc.
Most cited
By later US patents
- Coating compositions which may be ambient cured75US 5,214,086 ABASF SE · 1993
- Polyisocyanate/polyamine mixtures and their use for the production of polyurea coatings56US 5,516,873 ABayer Aktiengesellschaft · 1996
- Process for the preparation of coatings46US 5,623,045 ABayer Aktiengesellschaft · 1997
- Cationic resin and capped polyisocyanate curing agent suitable for use in electrodeposition41US 5,760,107 APPG Industries, Inc. · 1998
- Method and compositions for spray molding polyurethane three dimensional objects38US 6,362,302 B12002