C08G 18/3814
Polyamines
Official title: {Polyamines}
C08G18/3814 (Polyamines) appears on 61 US grants and 83 published applications in this corpus.
Search patents in C08G- Granted patents
- 61
- Published applications
- 83
- Assignees
- 64
- Inventors
- 203
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 0 | 2 |
| 2006 | 1 | 4 |
| 2007 | 3 | 3 |
| 2008 | 2 | 3 |
| 2009 | 2 | 4 |
| 2010 | 3 | 2 |
| 2011 | 3 | 3 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 2 | 5 |
| 2015 | 4 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 2 |
| 2019 | 1 | 3 |
| 2020 | 5 | 6 |
| 2021 | 3 | 6 |
| 2022 | 2 | 9 |
| 2023 | 5 | 8 |
| 2024 | 1 | 5 |
| 2025 | 5 | 6 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Degradable urethane and urethane-urea systems4 Aug 2026US 12,698,358 B2Urethane Systems USA LLC
- CMP pad having polishing layer of low specific gravity16 Jun 2026US 12,654,280 B2DuPont Electronic Materials Holding, Inc.
- Two component coating compositions16 Jun 2026US 12,655,247 B2PPG Industries Ohio, Inc.
- Thermal interface materials30 Dec 2025US 12,509,618 B2Dow Global Technologies LLC
- Fine hollow particles comprising melamine-based resin23 Dec 2025US 12,503,575 B2Kagoshima University
- Thermosetting resin composition and method for preparing the same24 Sep 2026US 2026/0286096 A1Hyundai Motor Company
- Thermal interface materials26 Feb 2026US 2026/0055311 A1Dow Global Technologies LLC
- Process for Forming a Laminate25 Sep 2025US 2025/0296310 A1Arkema France
- Polyurethane resin, elastic molded article, and method for producing polyurethane resin28 Aug 2025US 2025/0270363 A1Mitsui Chemicals, Inc.
- Polishing pad with excellent recyclability and pyrolysis oil obtained therefrom8 May 2025US 2025/0144767 A1SK enpulse Co., Ltd.
Most cited
By later US patents
- Adhesive and sealing layers for electrophoretic displays64US 7,560,004 B2SiPix Imaging, Inc. · 2009
- Display cell structure and electrode protecting layer compositions59US 7,880,958 B2SiPix Imaging, Inc. · 2011
- Fluorinated diamines and polymers formed therefrom43US 5,637,772 AAerojet-General Corporation · 1997
- Adhesive and sealing layers for electrophoretic displays27US 7,166,182 B2SiPix Imaging, Inc. · 2007
- Cross-linked thermoplastic polyurethane/polyurea and method of making same20US 7,417,094 B2Callaway Golf Company · 2008