C08F 20/58
Containing oxygen in addition to the carbonamido oxygen
Official title: containing oxygen in addition to the carbonamido oxygen {, e.g. N-methylolacrylamide, N-acryloylmorpholine}
C08F20/58 (Containing oxygen in addition to the carbonamido oxygen) appears on 147 US grants and 79 published applications in this corpus.
Search patents in C08F- Granted patents
- 147
- Published applications
- 79
- Assignees
- 102
- Inventors
- 338
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 3 |
| 2003 | 0 | 2 |
| 2004 | 1 | 6 |
| 2005 | 2 | 3 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 2 | 2 |
| 2009 | 2 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 2 | 3 |
| 2013 | 0 | 2 |
| 2014 | 2 | 0 |
| 2015 | 2 | 2 |
| 2016 | 2 | 1 |
| 2017 | 2 | 9 |
| 2018 | 2 | 5 |
| 2019 | 7 | 5 |
| 2020 | 7 | 10 |
| 2021 | 9 | 4 |
| 2022 | 6 | 8 |
| 2023 | 3 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymer of 2-acrylamido-2-methylpropane sulphonic acid and use thereof30 Jun 2026US 12,668,648 B2Snf Group
- Actinic ray-sensitive or radiation-sensitive resin composition, actinic ray-sensitive or radiation-sensitive film, pattern forming method, and method for manufacturing electronic device5 May 2026US 12,619,147 B2FUJIFILM Corporation
- Polymerization reactor for production of super absorbent polymer28 Oct 2025US 12,454,585 B2LG Chem.Ltd.
- Process for filtering 2-acrylamido-2-methylpropane sulfonic acid19 Nov 2024US 12,145,900 B2Snf Group
- Actinic ray-sensitive or radiation-sensitive resin composition, resist film, pattern forming method, and method for manufacturing electronic device9 Jul 2024US 12,032,290 B2FUJIFILM Corporation
- Method for treating a suspension of solid particles in water using a polymer in a crystalline form of 2-acrylamido-2-methylpropanesulphonic acid sodium salt27 Aug 2026US 2026/0250162 A1Snf Group
- Polymer, preparation method therefor and use thereof7 May 2026US 2026/0125497 A1China Petroleum & Chemical Corporation
- Poly(2-alkyl-2-oxazoline) derivative antipathogen apparatus and method of use thereof9 Apr 2026US 2026/0097070 A1
- Methods and compositions for treating cancer with cancer-binding adjuvants26 Feb 2026US 2026/0053935 A1The University of Chicago
- Polymer of 2-acrylamido-2-methylpropane sulphonic acid and use thereof21 Aug 2025US 2025/0263507 A1Snf Group
Most cited
By later US patents
- Polymers of N-acryloylmorpholine activated at one end and conjugates with bioactive materials and surfaces225US 5,629,384 AConsiglio Nazionale Delle Ricerche · 1997
- Acrylamido functional disubstituted acetyl aryl ketone photoinitiators213US 5,506,279 AMinnesota Mining and Manufacturing Company · 1996
- Polymer beads55US 4,737,560 AMinnesota Mining and Manufacturing Company · 1988
- Variably crosslinked polymeric supports54US 4,871,824 AMinnesota Mining and Manufacturing Company · 1989
- Polymeric supports43US 5,403,902 AMinnesota Mining and Manufacturing Company · 1995