C08G 18/348
Hydroxycarboxylic acids
Official title: {Hydroxycarboxylic acids}
C08G18/348 (Hydroxycarboxylic acids) appears on 479 US grants and 710 published applications in this corpus.
Search patents in C08G- Granted patents
- 479
- Published applications
- 710
- Assignees
- 310
- Inventors
- 1,831
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 4 |
| 2003 | 4 | 6 |
| 2004 | 4 | 7 |
| 2005 | 1 | 10 |
| 2006 | 4 | 6 |
| 2007 | 3 | 9 |
| 2008 | 3 | 15 |
| 2009 | 5 | 19 |
| 2010 | 3 | 14 |
| 2011 | 7 | 15 |
| 2012 | 12 | 18 |
| 2013 | 11 | 21 |
| 2014 | 9 | 22 |
| 2015 | 27 | 30 |
| 2016 | 14 | 37 |
| 2017 | 13 | 31 |
| 2018 | 29 | 47 |
| 2019 | 37 | 73 |
| 2020 | 45 | 44 |
| 2021 | 47 | 43 |
| 2022 | 31 | 73 |
| 2023 | 27 | 52 |
| 2024 | 27 | 52 |
| 2025 | 37 | 34 |
| 2026 | 28 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aqueous self-crosslinkable polyurethane dispersions22 Sep 2026US 12,742,035 B2BASF SE
- Solventless adhesive compositions and laminate materials prepared with the same15 Sep 2026US 12,735,612 B2Arkema France
- Compound, binder resin, negative-type photosensitive resin composition, and display device comprising black bank formed using same15 Sep 2026US 12,736,876 B2LG Chem.Ltd.
- Dispersions that are substantially free of volatile organic compounds and that have a high solids content8 Sep 2026US 12,729,266 B2Stahl International B.V.
- Fiber base material and artificial leather11 Aug 2026US 12,703,767 B2DIC Corporation
- Polyurethane-polyurea aqueous dispersion, and preparation method therefor and use thereof27 Aug 2026US 2026/0250455 A1Wanhua Chemical Group Co., Ltd.
- Process for producing low gloss coating surface by radiation curing20 Aug 2026US 2026/0241413 A1Covestro LLC
- Method for coating a substrate13 Aug 2026US 2026/0234411 A1Lamberti SPA
- Method for forming multilayer coating film and clear coating used for producing multilayer coating film13 Aug 2026US 2026/0234437 A1BASF Coatings GmbH
- Peelable coating composition and method of preparing peelable coating6 Aug 2026US 2026/0226292 A1Dow Global Technologies LLC
Most cited
By later US patents
- Polyurethane polymers characterized by lactone groups and hydroxyl groups in the polymer backbone158US 4,156,067 ATyndale Plains-Hunter, Ltd. · 1979
- Polyurethane polymers characterized by lactone groups and hydroxyl groups in the polymer backbone95US 4,156,066 ATyndale Plains-Hunter, Ltd. · 1979
- Aqueous radiation curable polyurethane compositions82US 8,853,318 B2Allnex Belgium S.A. · 2014
- Curable composition for use in a high temperature lithography-based photopolymerization process and method of producing crosslinked polymers therefrom78US 11,174,338 B2Align Technology, Inc. · 2021
- Room temperature curable silane-terminated polyurethane dispersions76US 5,554,686 AMinnesota Mining and Manufacturing Company · 1996