C08G 18/4825
Polyethers containing two hydroxy groups
Official title: {Polyethers containing two hydroxy groups (C08G18/4833 - C08G18/5096 take precedence)}
C08G18/4825 (Polyethers containing two hydroxy groups) appears on 955 US grants and 1,527 published applications in this corpus.
Search patents in C08G- Granted patents
- 955
- Published applications
- 1,527
- Assignees
- 530
- Inventors
- 3,423
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 9 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 0 |
| 2002 | 5 | 7 |
| 2003 | 6 | 11 |
| 2004 | 5 | 12 |
| 2005 | 6 | 14 |
| 2006 | 5 | 13 |
| 2007 | 7 | 15 |
| 2008 | 6 | 20 |
| 2009 | 7 | 27 |
| 2010 | 9 | 30 |
| 2011 | 16 | 43 |
| 2012 | 15 | 39 |
| 2013 | 18 | 24 |
| 2014 | 23 | 42 |
| 2015 | 18 | 52 |
| 2016 | 42 | 62 |
| 2017 | 42 | 86 |
| 2018 | 52 | 91 |
| 2019 | 58 | 118 |
| 2020 | 78 | 125 |
| 2021 | 79 | 148 |
| 2022 | 77 | 169 |
| 2023 | 71 | 122 |
| 2024 | 99 | 97 |
| 2025 | 91 | 87 |
| 2026 | 44 | 73 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermoplastic polyurethane based polymeric electrolyte composition6 Oct 2026US 12,753,268 B2Huntsman International LLC
- Polyurethane-reactive system for pultrusion15 Sep 2026US 12,735,526 B2Covestro Deutschland AG
- Polyurethanes from depolymerized lignin containing lignin monomers8 Sep 2026US 12,729,265 B2Vito NV
- (meth)acrylate-functional radiation curable compositions for additive fabrication18 Aug 2026US 12,709,697 B2Stratasys, Inc.
- Flexible food packaging laminates18 Aug 2026US 12,709,702 B2Sun Chemical Corporation
- Method for producing catalyst composition and method for producing polyurethane foam8 Oct 2026US 2026/0308303 A1Nitto Kasei Co., Ltd.
- Polyurethane polyisocyanate, method for producing polyurethane polyisocyanate, polyisocyanate composition, adhesive, layered product, and packaging material1 Oct 2026US 2026/0297401 A1DIC Corporation
- Dual cure 3d printing resins17 Sep 2026US 2026/0275022 A1Stratasys, Inc.
- Modified bio-based waterborne polyurethane, method for preparing same, and use thereof27 Aug 2026US 2026/0250452 A1Mojia (Shanghai) Biotech Co., Ltd
- Polymer composition which can be cured at room temperature and which is made of polyaldehyde and polymalonate27 Aug 2026US 2026/0250454 A1Sika Technology AG
Most cited
By later US patents
- Polyurethane-based polymeric materials and biomedical articles and pharmaceutical compositions utilizing the same309US 5,100,992 ABiomedical Polymers International, Ltd. · 1992
- Polyurethane resins having multiple mechanisms of hardening for use in producing three-dimensional objects271US 9,453,142 B2Carbon3D, Inc. · 2016
- Shape memory film239US 5,139,832 AMitsubishi Jukogyo Kabushiki Kaisha · 1992
- Methods of producing three-dimensional objects from materials having multiple mechanisms of hardening165US 9,676,963 B2Carbon, Inc. · 2017
- Methods of producing polyurethane three-dimensional objects from materials having multiple mechanisms of hardening137US 9,598,606 B2Carbon, Inc. · 2017