C08G 69/06
Solid state polycondensation
C08G69/06 (Solid state polycondensation) appears on 35 US grants and 41 published applications in this corpus.
Search patents in C08G- Granted patents
- 35
- Published applications
- 41
- Assignees
- 32
- Inventors
- 137
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 5 |
| 2014 | 3 | 2 |
| 2015 | 0 | 2 |
| 2016 | 2 | 6 |
| 2017 | 6 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 0 | 3 |
| 2021 | 1 | 1 |
| 2022 | 0 | 5 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 0 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High molecular weight polyamides and CoPolyamides with uniform RV and low gel content28 Apr 2026US 12,612,491 B2Ascend Performance Materials Operations LLC
- Method for the continuous preparation of polyamide prepolymers24 Mar 2026US 12,583,969 B2Arkema France
- Process and apparatus for direct crystallization of polycondesates10 Mar 2026US 12,570,806 B2Polymetrix AG
- Multilayer vessel, and application thereof27 Feb 2024US 11,911,341 B2Mitsubishi Gas Chemical Company, Inc.
- Method for synthesizing long carbon chain semi-aromatic nylon20 Feb 2024US 11,905,370 B2Zhengzhou University
- Polyamide fiber23 Jul 2026US 2026/0209997 A1Toray Industries, Inc.
- High Molecular Weight Polyamides and CoPolyamides with Uniform RV and Low Gel Content3 Jul 2025US 2025/0215154 A1Ascend Performance Materials Operations LLC
- Thermoplastic polymer powder for 3D printing6 Feb 2025US 2025/0043108 A1Arkema France
- Method for the continuous preparation of polyamide prepolymers11 Jan 2024US 2024/0010793 A1Arkema France
- Yield-optimized method for producing a polyamide powder composition23 Nov 2023US 2023/0374217 A1Arkema France
Most cited
By later US patents
- Polyamide chains of precise length101US 6,552,167 B1Gryphon Therapeutics, Inc. · 2003
- Novel thermosetting resin and a process for producing same28US 4,070,416 AHitachi, Ltd. · 1978
- Controlling the crystallization of polyesters by means of their water content20US 7,193,032 B2Buhler AG · 2007
- Increasing the molecular weight of polycondensates13US 5,807,932 ACiba Specialty Chemicals Corporation · 1998
- Low temperature nylon polymerization process12US 5,403,910 AE. I. Du Pont de Nemours and Company · 1995