C08G 18/4854
Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
Official title: {Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group}
C08G18/4854 (Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group) appears on 1,429 US grants and 2,029 published applications in this corpus.
Search patents in C08G- Granted patents
- 1,429
- Published applications
- 2,029
- Assignees
- 621
- Inventors
- 4,080
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 15 | 0 |
| 1995 | 8 | 0 |
| 1996 | 12 | 0 |
| 1997 | 9 | 0 |
| 1998 | 12 | 0 |
| 1999 | 19 | 0 |
| 2000 | 19 | 0 |
| 2001 | 19 | 8 |
| 2002 | 23 | 28 |
| 2003 | 27 | 59 |
| 2004 | 32 | 51 |
| 2005 | 22 | 46 |
| 2006 | 40 | 58 |
| 2007 | 21 | 54 |
| 2008 | 19 | 55 |
| 2009 | 19 | 63 |
| 2010 | 34 | 68 |
| 2011 | 38 | 76 |
| 2012 | 50 | 84 |
| 2013 | 44 | 75 |
| 2014 | 54 | 67 |
| 2015 | 70 | 74 |
| 2016 | 55 | 79 |
| 2017 | 56 | 81 |
| 2018 | 51 | 90 |
| 2019 | 70 | 115 |
| 2020 | 71 | 136 |
| 2021 | 91 | 138 |
| 2022 | 79 | 141 |
| 2023 | 85 | 107 |
| 2024 | 82 | 111 |
| 2025 | 73 | 103 |
| 2026 | 43 | 62 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Polyurethane-polyurea aqueous dispersion, and preparation method therefor and use thereof27 Aug 2026US 2026/0250455 A1Wanhua Chemical Group Co., Ltd.
- Active-energy-ray-curable coating composition and molded article27 Aug 2026US 2026/0250514 A1DIC Corporation
- Prepolymer composition, polyurethane resin, elastic molded article, and method for producing prepolymer composition20 Aug 2026US 2026/0242528 A1Mitsui Chemicals, Inc.
- Polyurethane urea and its preparation method20 Aug 2026US 2026/0242529 A1BASF SE
- Acid-resistant polyurethane and method for producing the same20 Aug 2026US 2026/0242531 A1Hodogaya Chemical Co., Ltd.
Most cited
By later US patents
- 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
- Surface-modifying endgroups for biomedical polymers517US 5,589,563 AThe Polymer Technology Group · 1996
- Biomaterial system for in situ tissue repair512US 6,306,177 B1Advanced Bio Surfaces, Inc. · 2001
- Joint resurfacing system394US 5,556,429 AAdvanced Bio Surfaces, Inc. · 1996