C08G 18/48
Polyethers
C08G18/48 (Polyethers) appears on 6,736 US grants and 7,714 published applications in this corpus.
Search patents in C08G- Granted patents
- 6,736
- Published applications
- 7,714
- Assignees
- 2,018
- Inventors
- 14,673
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 60 | 0 |
| 1977 | 39 | 0 |
| 1978 | 62 | 0 |
| 1979 | 50 | 0 |
| 1980 | 63 | 0 |
| 1981 | 67 | 0 |
| 1982 | 48 | 0 |
| 1983 | 66 | 0 |
| 1984 | 76 | 0 |
| 1985 | 74 | 0 |
| 1986 | 60 | 0 |
| 1987 | 68 | 0 |
| 1988 | 72 | 0 |
| 1989 | 91 | 0 |
| 1990 | 90 | 0 |
| 1991 | 122 | 0 |
| 1992 | 134 | 0 |
| 1993 | 109 | 0 |
| 1994 | 97 | 0 |
| 1995 | 81 | 0 |
| 1996 | 90 | 0 |
| 1997 | 117 | 0 |
| 1998 | 111 | 0 |
| 1999 | 92 | 0 |
| 2000 | 90 | 0 |
| 2001 | 80 | 20 |
| 2002 | 107 | 121 |
| 2003 | 131 | 198 |
| 2004 | 110 | 185 |
| 2005 | 84 | 203 |
| 2006 | 102 | 203 |
| 2007 | 75 | 227 |
| 2008 | 61 | 186 |
| 2009 | 60 | 234 |
| 2010 | 109 | 273 |
| 2011 | 113 | 275 |
| 2012 | 153 | 280 |
| 2013 | 163 | 287 |
| 2014 | 208 | 290 |
| 2015 | 218 | 314 |
| 2016 | 228 | 347 |
| 2017 | 250 | 357 |
| 2018 | 228 | 369 |
| 2019 | 290 | 463 |
| 2020 | 299 | 487 |
| 2021 | 311 | 506 |
| 2022 | 279 | 548 |
| 2023 | 300 | 406 |
| 2024 | 302 | 372 |
| 2025 | 278 | 321 |
| 2026 | 168 | 242 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C08G 18/50Having heteroatoms other than oxygen1,810
- C08G 18/4833Polyethers containing oxyethylene units1,805
- C08G 18/4854Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group1,429
- C08G 18/4804Two or more polyethers of different physical or chemical nature1,427
- C08G 18/4825Polyethers containing two hydroxy groups955
- C08G 18/4829Polyethers containing at least three hydroxy groups746
- C08G 18/4866Having a low unsaturation value326
- C08G 18/487Polyethers containing cyclic groups323
All 13 subgroupsShow fewer
- C08G 18/4887Containing carboxylic ester groups derived from carboxylic acids other than acids of147
- C08G 18/4891Modified with higher fatty oils or their acids or by resin acids92
- C08G 18/4858Polyethers containing oxyalkylene groups having more than four carbon atoms in the69
- C08G 18/4862Containing at least a part of the ether groups in a side30
- C08G 18/4895Prepared from polyepoxy compounds28
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Most cited
By later US patents
- Wound dressing materials1,148US 4,233,969 A1980
- Fast curing compositions996US 6,894,140 B2Tyco Healthecare Gropu LP · 2005
- Polyurethane/polyurea compositions containing silicone for biosensor membranes783US 5,882,494 AMiniMed Inc. · 1999
- Mold apparatus and kit for in situ tissue repair723US 6,443,988 B1Disc Dynamics, Inc. · 2002
- Articulating joint repair590US 5,888,220 AAdvanced Bio Surfaces, Inc. · 1999