C08G 73/0233
Polyamines derived from oxazolines, oxazines or having pendant acyl groups
Official title: {Polyamines derived from (poly)oxazolines, (poly)oxazines or having pendant acyl groups}
C08G73/0233 (Polyamines derived from oxazolines, oxazines or having pendant acyl groups) appears on 292 US grants and 324 published applications in this corpus.
Search patents in C08G- Granted patents
- 292
- Published applications
- 324
- Assignees
- 212
- Inventors
- 862
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 11 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 5 |
| 2005 | 2 | 1 |
| 2006 | 4 | 5 |
| 2007 | 0 | 4 |
| 2008 | 0 | 3 |
| 2009 | 2 | 9 |
| 2010 | 7 | 10 |
| 2011 | 3 | 6 |
| 2012 | 7 | 11 |
| 2013 | 5 | 17 |
| 2014 | 13 | 7 |
| 2015 | 11 | 25 |
| 2016 | 15 | 19 |
| 2017 | 16 | 25 |
| 2018 | 18 | 17 |
| 2019 | 13 | 18 |
| 2020 | 13 | 16 |
| 2021 | 12 | 27 |
| 2022 | 12 | 22 |
| 2023 | 14 | 18 |
| 2024 | 14 | 26 |
| 2025 | 15 | 19 |
| 2026 | 4 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Synthesis of self-healing benzoxazine polymers through melt polymerization6 Oct 2026US 12,753,281 B2Kaneka Corporation
- Cleavable conjugates of catechol compounds and water-soluble polymers and methods of treatment using the same25 Aug 2026US 12,714,704 B2Serina Therapeutics (AL), Inc.
- Inverse thermogelling polyoxazoline copolymers4 Aug 2026US 12,697,417 B2Julius-Maximilians-UniversitäT WüRzburg
- Benzoxazine derivatives vitrimers28 Apr 2026US 12,612,373 B2Luxembourg Institute of Science and Technology (List)
- Methods for purification, detection and quantification of residual PEI-based transfection reagents30 Dec 2025US 12,510,541 B2Polyplus Transfection
- Polyol-b-polyoxazoline copolymers6 Aug 2026US 2026/0224611 A1Freie UniversitäT Berlin
- Modified triblock copolymer compounds and methods of use thereof30 Jul 2026US 2026/0217919 A1Roche Sequencing Solutions, Inc.
- Radiopaque hydrogels and methods of making and using same23 Jul 2026US 2026/0207791 A1Boston Scientific Scimed, Inc.
- Display Module And Electronic Device Including The Same9 Jul 2026US 2026/0198210 A1Samsung Display Co., Ltd.
- Bio-based benzoxazines containing dynamic ester bond and composites thereof2 Jul 2026US 2026/0184843 A1
Most cited
By later US patents
- Support structures and deposition techniques for 3D printing120US 9,469,057 B23D Systems, Inc. · 2016
- Polysiloxane/poly(oxazoline) copolymers90US 4,659,777 AThoratec Laboratories Corporation · 1987
- Electroluminescent polymers, processes for their use, and electroluminescent devices containing these polymers63US 5,414,069 APolaroid Corporation · 1995
- Aqueous ink jet inks containing fluorinated polymers56US 5,418,277 AE. I. Du Pont de Nemours and Company · 1995
- Sanitizing complexes of polyoxazolines or polyoxazines and polyhalide anions55US 4,481,167 AThe Dow Chemical Company · 1984