C08G 18/283
Compounds containing ether groups
Official title: {Compounds containing ether groups, e.g. oxyalkylated monohydroxy compounds}
C08G18/283 (Compounds containing ether groups) appears on 799 US grants and 870 published applications in this corpus.
Search patents in C08G- Granted patents
- 799
- Published applications
- 870
- Assignees
- 298
- Inventors
- 2,157
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 9 | 0 |
| 1991 | 16 | 0 |
| 1992 | 12 | 0 |
| 1993 | 15 | 0 |
| 1994 | 13 | 0 |
| 1995 | 23 | 0 |
| 1996 | 18 | 0 |
| 1997 | 14 | 0 |
| 1998 | 23 | 0 |
| 1999 | 22 | 0 |
| 2000 | 19 | 0 |
| 2001 | 17 | 3 |
| 2002 | 23 | 17 |
| 2003 | 19 | 30 |
| 2004 | 15 | 34 |
| 2005 | 14 | 37 |
| 2006 | 17 | 24 |
| 2007 | 12 | 39 |
| 2008 | 17 | 27 |
| 2009 | 7 | 48 |
| 2010 | 17 | 27 |
| 2011 | 20 | 43 |
| 2012 | 15 | 36 |
| 2013 | 24 | 35 |
| 2014 | 16 | 23 |
| 2015 | 26 | 37 |
| 2016 | 34 | 38 |
| 2017 | 30 | 30 |
| 2018 | 30 | 36 |
| 2019 | 26 | 38 |
| 2020 | 24 | 29 |
| 2021 | 22 | 57 |
| 2022 | 27 | 53 |
| 2023 | 27 | 55 |
| 2024 | 26 | 33 |
| 2025 | 40 | 23 |
| 2026 | 17 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Water-dispersible polyisocyanate, aqueous polyurethane resin composition, and article25 Aug 2026US 12,715,956 B2Mitsui Chemicals, Inc.
- Fiber base material and artificial leather11 Aug 2026US 12,703,767 B2DIC Corporation
- Electrophotographic roller, process cartridge, electrophotographic image forming apparatus, and method for manufacturing electrophotographic roller11 Aug 2026US 12,704,799 B2Canon Kabushiki Kaisha
- Amphiphilic siloxane-polyurethane fouling-release coatings4 Aug 2026US 12,698,405 B2NDSU Research Foundation
- Aziridinyl functional compound26 May 2026US 12,637,423 B2Covestro (Netherlands) B.V.
- Modified bio-based waterborne polyurethane, method for preparing same, and use thereof27 Aug 2026US 2026/0250452 A1Mojia (Shanghai) Biotech Co., Ltd
- Resin Particle Dispersion for Inkjet Printing27 Aug 2026US 2026/0250538 A1Agfa NV
- Two-component polyurethane adhesive with durable adhesion to inorganic substrates13 Aug 2026US 2026/0234453 A1Ddp Specialty Electronic Materials US, LLC
- Stabilized aqueous anode composition30 Jul 2026US 2026/0217902 A1Coatex
- Polyurethane dispersion, gas barrier coating material, and method for producing polyurethane dispersion30 Jul 2026US 2026/0218005 A1Mitsui Chemicals, Inc.
Most cited
By later US patents
- Surface-modifying endgroups for biomedical polymers517US 5,589,563 AThe Polymer Technology Group · 1996
- Process for preparation of slippery, tenaciously adhering, hydrophilic polyurethane hydrogel coating, coated polymer and metal substrate materials, and coated medical devices409US 6,080,488 ASchneider (USA) Inc. · 2000
- Systems for premeating molecules of predetermined molecular weight range361US 5,756,632 AThe Polymer Technology Group · 1998
- Copolymers and non-porous, semi-permeable membrane thereof and its use for permeating molecules of predetermined molecular weight range303US 5,428,123 AThe Polymer Technology Group · 1995
- Polyurethane thickeners in latex compositions173US 4,079,028 ARohm and Haas Company · 1978