C08L 71/02
Polyalkylene oxides
C08L71/02 (Polyalkylene oxides) appears on 3,150 US grants and 3,231 published applications in this corpus.
Search patents in C08L- Granted patents
- 3,150
- Published applications
- 3,231
- Assignees
- 1,563
- Inventors
- 8,589
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 33 | 0 |
| 1977 | 26 | 0 |
| 1978 | 41 | 0 |
| 1979 | 27 | 0 |
| 1980 | 19 | 0 |
| 1981 | 25 | 0 |
| 1982 | 17 | 0 |
| 1983 | 19 | 0 |
| 1984 | 20 | 0 |
| 1985 | 24 | 0 |
| 1986 | 26 | 0 |
| 1987 | 16 | 0 |
| 1988 | 16 | 0 |
| 1989 | 23 | 0 |
| 1990 | 28 | 0 |
| 1991 | 36 | 0 |
| 1992 | 24 | 0 |
| 1993 | 28 | 0 |
| 1994 | 37 | 0 |
| 1995 | 39 | 0 |
| 1996 | 59 | 0 |
| 1997 | 52 | 0 |
| 1998 | 58 | 0 |
| 1999 | 79 | 0 |
| 2000 | 78 | 0 |
| 2001 | 79 | 22 |
| 2002 | 105 | 98 |
| 2003 | 61 | 110 |
| 2004 | 71 | 120 |
| 2005 | 72 | 112 |
| 2006 | 56 | 100 |
| 2007 | 44 | 102 |
| 2008 | 34 | 106 |
| 2009 | 40 | 133 |
| 2010 | 92 | 166 |
| 2011 | 79 | 137 |
| 2012 | 89 | 147 |
| 2013 | 116 | 138 |
| 2014 | 112 | 140 |
| 2015 | 117 | 129 |
| 2016 | 123 | 140 |
| 2017 | 91 | 127 |
| 2018 | 107 | 150 |
| 2019 | 117 | 164 |
| 2020 | 138 | 154 |
| 2021 | 113 | 197 |
| 2022 | 81 | 139 |
| 2023 | 106 | 147 |
| 2024 | 107 | 101 |
| 2025 | 95 | 97 |
| 2026 | 55 | 55 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Stretch compound and method of making the same6 Oct 2026US 12,753,306 B2Hasbro, Inc.
- Elastomeric matrices based on plasticized PVOH compositions and uses thereof22 Sep 2026US 12,740,939 B2aVISI Ltd.
- Curable composition8 Sep 2026US 12,729,253 B2LG Energy Solution, Ltd.
- Liquid-liquid phase transition compositions and processes1 Sep 2026US 12,723,186 B2Solvcor Technologies LLC
- Cryoprotectant polymers and methods of making and using thereof25 Aug 2026US 12,714,094 B2Board of Regents, The University of Texas System
- Processes for preparing a mixture that contains a polyoxyalkylene polyol1 Oct 2026US 2026/0297325 A1Covestro Deutschland AG
- Solid-state polymer electrolyte for use in production of all-solid-state alkali-ion batteries10 Sep 2026US 2026/0269314 A1Enevate Corporation
- Compositions of chitin and hydrophilic and/or lipophilic wax, compositions of chitin and cellulosic material, and related methods for producing same13 Aug 2026US 2026/0234450 A1Neptune Nanotechnologies Inc.
- Stabilized biopolymer composition, their manufacture and use30 Jul 2026US 2026/0216349 A1Base SE
- Liquid plastisol compositions and water soluble plasticized articles prepared therefrom30 Jul 2026US 2026/0217921 A1Avient Corporation
Most cited
By later US patents
- Biomaterial drug delivery and surface modification compositions1,362US 7,850,982 B2Tyco Healthcare Group LP · 2010
- Blood substitute containing modified hemoglobin699US 4,301,144 AAjinomoto Co., Inc. · 1981
- Crosslinked polymer compositions and methods for their use649US 5,874,500 ACohesion Technologies, Inc. · 1999
- Crosslinked polymer compositions and methods for their use567US 6,051,648 ACohesion Technologies, Inc. · 2000
- Biodegradable low molecular weight triblock poly(lactide-co-glycolide) polyethylene glycol copolymers having reverse thermal gelation properties361US 6,004,573 AMacroMed, Inc. · 1999