C08G 69/38
Polyamides prepared from aldehydes and polynitriles
C08G69/38 (Polyamides prepared from aldehydes and polynitriles) appears on 9 US grants and 5 published applications in this corpus.
Search patents in C08G- Granted patents
- 9
- Published applications
- 5
- Assignees
- 8
- Inventors
- 27
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Liquid processible diphthalonitrile monomers and resins5 Aug 2025US 12,378,359 B2ROLLS-ROYCE plc
- Polymerizable composition31 Dec 2024US 12,180,342 B2LG Chem.Ltd.
- Laser ablative dielectric material28 May 2019US 10,304,720 B2Brewer Science Inc.
- Process for the condensation of polyamides28 Feb 2006US 7,005,481 B1L. Brueggemann KG Sprit-und Chemische Fabrik
- Method for producing polyamides from dinitriles and diamines2 Mar 2004US 6,699,960 B1BASF SE
- Ionizable cationic lipid analog material and use thereof as drug delivery carrier7 Dec 2023US 2023/0390402 A1Guangzhou Lide Biomedicine Technology Co., Ltd.
- Liquid processible diphthalonitrile monomers and resins6 Jul 2023US 2023/0212353 A1ROLLS-ROYCE plc
- Phthalonitrile resin2 May 2019US 2019/0127525 A1LG Chem.Ltd.
- Polymerizable composition6 Dec 2018US 2018/0346646 A1LG Chem.Ltd.
- Laser ablative dielectric material18 Jan 2018US 2018/0019156 A1Brewer Science Inc.
Most cited
By later US patents
- Method for producing polyamides from dinitriles and diamines23US 6,699,960 B1BASF SE · 2004
- Semipermeable membranes of copolyamides20US 4,217,227 ABayer Aktiengesellschaft · 1980
- Method of producing poly-p-phenyleneterephthalamide or its copolymers14US 4,169,932 A1979
- Process for the condensation of polyamides11US 7,005,481 B1L. Brueggemann KG Sprit-und Chemische Fabrik · 2006
- Preparation of polyamide from dinitrile, diamine, water, and CO.sub.2 catalyst4US 4,380,623 AThe Standard Oil Company · 1983