C08J 2333/02
Homopolymers or copolymers of acids
Official title: Homopolymers or copolymers of acids; Metal or ammonium salts thereof
C08J2333/02 (Homopolymers or copolymers of acids) appears on 571 US grants and 792 published applications in this corpus.
Search patents in C08J- Granted patents
- 571
- Published applications
- 792
- Assignees
- 259
- Inventors
- 1,395
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 2 |
| 2003 | 4 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 5 |
| 2006 | 2 | 6 |
| 2007 | 2 | 4 |
| 2008 | 1 | 9 |
| 2009 | 2 | 12 |
| 2010 | 7 | 22 |
| 2011 | 10 | 23 |
| 2012 | 5 | 35 |
| 2013 | 18 | 26 |
| 2014 | 28 | 29 |
| 2015 | 19 | 54 |
| 2016 | 29 | 48 |
| 2017 | 42 | 60 |
| 2018 | 49 | 64 |
| 2019 | 42 | 53 |
| 2020 | 55 | 46 |
| 2021 | 38 | 61 |
| 2022 | 38 | 62 |
| 2023 | 27 | 59 |
| 2024 | 44 | 51 |
| 2025 | 42 | 36 |
| 2026 | 27 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compositions, multilayer films formed from such compositions, and articles22 Sep 2026US 12,742,066 B2Dow Global Technologies LLC
- Supercapacitor battery with polyacrylic acid hydrogel electrolyte21 Jul 2026US 12,688,981 B2Imam Abdulrahman Bin Faisal University
- Conductive gel compositions and methods of production and use thereof14 Jul 2026US 12,678,615 B2Novocure GmbH
- Method for manufacturing a lesion tissue prosthesis that simulates protein properties, a lesion tissue prosthesis and a medical prosthesis30 Jun 2026US 12,670,811 B2Lyson Medical Technology Co., Ltd.
- Method for recycling water absorbent resin16 Jun 2026US 12,654,151 B2Nippon Shokubai Co., Ltd.
- Method for producing water-absorbent resin particles, water-absorbent resin particles, absorbent material and absorbent article24 Sep 2026US 2026/0284638 A1Sumitomo Seika Chemicals Co., Ltd.
- Liquid plastisol compositions and water soluble plasticized articles prepared therefrom30 Jul 2026US 2026/0217921 A1Avient Corporation
- Pressure-sensitive adhesive treatment liquid, and method for treating adhesive30 Jul 2026US 2026/0217938 A1Nitto Denko Corporation
- Methylene chloride-free solvent cement compositions23 Jul 2026US 2026/0209555 A1IPS Corporation
- Preparation Method of Super Absorbent Polymer16 Jul 2026US 2026/0199876 A1LG Chem.Ltd.
Most cited
By later US patents
- Method for the secondary cross-linking of hydrogels with N-acyl-2-oxazolidinones159US 6,559,239 B1BASF SE · 2003
- Method for the secondary cross-linking of hydrogels with 2-oxotetrahydro-1,3-oxazines159US 6,657,015 B1BASF SE · 2003
- Absorbent structures comprising coated super-absorbent polymer particles131US 7,108,916 B2The Procter & Gamble Company · 2006
- Gas barrier film and production process thereof96US 5,498,662 AKureha Kagaku Kogyo Kabushiki Kaisha · 1996
- Process for improving a water absorbent polyacrylic acid polymer and an improved polymer produced by said process95US 4,783,510 ATaiyo Fishery Co., Ltd. · 1988