B01J 20/26
Synthetic macromolecular compounds
B01J20/26 (Synthetic macromolecular compounds) appears on 3,384 US grants and 4,317 published applications in this corpus.
Search patents in B01J- Granted patents
- 3,384
- Published applications
- 4,317
- Assignees
- 1,827
- Inventors
- 9,014
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 14 | 0 |
| 1980 | 9 | 0 |
| 1981 | 15 | 0 |
| 1982 | 10 | 0 |
| 1983 | 14 | 0 |
| 1984 | 13 | 0 |
| 1985 | 12 | 0 |
| 1986 | 15 | 0 |
| 1987 | 17 | 0 |
| 1988 | 17 | 0 |
| 1989 | 24 | 0 |
| 1990 | 24 | 0 |
| 1991 | 30 | 0 |
| 1992 | 33 | 0 |
| 1993 | 24 | 0 |
| 1994 | 37 | 0 |
| 1995 | 23 | 0 |
| 1996 | 26 | 0 |
| 1997 | 30 | 0 |
| 1998 | 46 | 0 |
| 1999 | 38 | 0 |
| 2000 | 40 | 0 |
| 2001 | 47 | 23 |
| 2002 | 57 | 96 |
| 2003 | 78 | 99 |
| 2004 | 70 | 92 |
| 2005 | 54 | 116 |
| 2006 | 55 | 106 |
| 2007 | 60 | 94 |
| 2008 | 56 | 118 |
| 2009 | 52 | 122 |
| 2010 | 77 | 132 |
| 2011 | 60 | 123 |
| 2012 | 87 | 122 |
| 2013 | 107 | 164 |
| 2014 | 104 | 168 |
| 2015 | 110 | 183 |
| 2016 | 145 | 229 |
| 2017 | 137 | 224 |
| 2018 | 178 | 223 |
| 2019 | 165 | 240 |
| 2020 | 185 | 259 |
| 2021 | 166 | 229 |
| 2022 | 156 | 259 |
| 2023 | 165 | 247 |
| 2024 | 159 | 259 |
| 2025 | 193 | 228 |
| 2026 | 130 | 162 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 20/265Modified or post-treated polymers1,372
- B01J 20/261Obtained by reactions only involving carbon to carbon unsaturated bonds1,177
- B01J 20/262Obtained otherwise than by reactions only involving carbon to carbon unsaturated bonds854
- B01J 20/264Derived from different types of monomers457
- B01J 20/268Polymers created by use of a template152
Recent patents
- Super absorbent polymer and preparation method thereof6 Oct 2026US 12,752,254 B2LG Chem.Ltd.
- Preparation method of superabsorbent polymer6 Oct 2026US 12,752,255 B2LG Chem.Ltd.
- Continuous polymerization reactor for super absorbent polymer and continuous polymerization reaction system6 Oct 2026US 12,753,249 B2LG Chem.Ltd.
- Super absorbent polymer29 Sep 2026US 12,746,530 B2LG Chem.Ltd.
- Channeled fibers in separation of biologically active nanoparticles22 Sep 2026US 12,741,234 B2Clemson University Research Foundation
- Polysiloxane, method for its production and deodorant comprising it8 Oct 2026US 2026/0306689 A1Sagami Chemical Research Institute
- The method of obtaining polyacrylamide hydrogels through continuous frontal polymerization8 Oct 2026US 2026/0307050 A1Green Evolution Technologies, Inc.
- Removal of per- and polyfluoroalkyl substances (pfas) from water with meso- and macro-porous gels8 Oct 2026US 2026/0308019 A1The University of Akron
- Photothermal polymeric aerogels for wastewater detoxification and water recycling8 Oct 2026US 2026/0308020 A1University of Kentucky Research Foundation
- Moisture absorption film layered product1 Oct 2026US 2026/0295559 A1Mazda Motor Corporation
Most cited
By later US patents
- Absorbent article360US 4,666,983 ANippon Shokubai Kagaku Kogyo Co., Ltd. · 1987
- Magnetic particles for use in separations333US 4,554,088 AAdvanced Magnetics, Inc. · 1985
- Water absorbing agent285US 4,734,478 ANippon Shokubai Kagaku Kogyo Co., Ltd. · 1988
- Supports useful for molecular imprinting technology247US 5,959,050 A1999
- Magnetic particles for use in separations245US 4,672,040 AAdvanced Magnetics, Inc. · 1987