C08J 2333/26
Homopolymers or copolymers of acrylamide or methacrylamide
C08J2333/26 (Homopolymers or copolymers of acrylamide or methacrylamide) appears on 277 US grants and 366 published applications in this corpus.
Search patents in C08J- Granted patents
- 277
- Published applications
- 366
- Assignees
- 257
- Inventors
- 998
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 1 |
| 2005 | 2 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 3 |
| 2009 | 1 | 1 |
| 2010 | 2 | 5 |
| 2011 | 0 | 3 |
| 2012 | 2 | 10 |
| 2013 | 3 | 7 |
| 2014 | 7 | 7 |
| 2015 | 7 | 21 |
| 2016 | 16 | 24 |
| 2017 | 12 | 24 |
| 2018 | 15 | 17 |
| 2019 | 25 | 32 |
| 2020 | 17 | 36 |
| 2021 | 21 | 39 |
| 2022 | 18 | 22 |
| 2023 | 32 | 35 |
| 2024 | 21 | 30 |
| 2025 | 17 | 22 |
| 2026 | 14 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymer and preparation thereof, and electrolyte film and preparation thereof22 Sep 2026US 12,744,245 B2Contemporary Amperex Technology (Hong Kong) Limited
- Method for forming and 3D printing double network hydrogels using temperature-controlled projection stereolithography4 Aug 2026US 12,698,386 B2Syracuse University
- Polymeric particles28 Jul 2026US 12,692,326 B2Life Technologies Corporation
- Plasticised superporous hydrogel9 Jun 2026US 12,649,831 B2Oxford Medical Products Limited
- Methods and compositions related to microsphere surface gelation26 May 2026US 12,637,706 B210x Genomics, Inc.
- Materials showing asymetric response to mechanical force3 Sep 2026US 2026/0258223 A1Riken
- Battery electrode and method of making the same3 Sep 2026US 2026/0260897 A1Specialty Operations France
- Processes for making three-dimensional polymer networks27 Aug 2026US 2026/0250469 A1Safeguard Dx Ltd
- Degradable crosslinking agent20 Aug 2026US 2026/0242563 A1Nagase Chemtex Corporation
- Reactive gel material for sustained water-based reactions20 Aug 2026US 2026/0242632 A1
Most cited
By later US patents
- Compositions, methods, and systems for bead formation using improved polymers188US 10,590,244 B210x Genomics, Inc. · 2020
- Oxygen scavenging with enzymes105US 4,414,334 APhillips Petroleum Company · 1983
- Polymer gel composition and uses therefor96US 6,030,634 AThe Chinese University of Hong Kong · 2000
- Polymer films91US 9,408,916 B2MicroVention, Inc. · 2016
- Collapsible gel compositions77US 5,100,933 AMassachusetts Institute of Technology · 1992