C08G 18/32
Polyhydroxy compounds
Official title: Polyhydroxy compounds; Polyamines; Hydroxyamines
C08G18/32 (Polyhydroxy compounds) appears on 3,593 US grants and 4,609 published applications in this corpus.
Search patents in C08G- Granted patents
- 3,593
- Published applications
- 4,609
- Assignees
- 1,403
- Inventors
- 9,740
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 21 | 0 |
| 1977 | 23 | 0 |
| 1978 | 24 | 0 |
| 1979 | 30 | 0 |
| 1980 | 24 | 0 |
| 1981 | 40 | 0 |
| 1982 | 23 | 0 |
| 1983 | 27 | 0 |
| 1984 | 29 | 0 |
| 1985 | 42 | 0 |
| 1986 | 25 | 0 |
| 1987 | 32 | 0 |
| 1988 | 33 | 0 |
| 1989 | 30 | 0 |
| 1990 | 31 | 0 |
| 1991 | 40 | 0 |
| 1992 | 52 | 0 |
| 1993 | 35 | 0 |
| 1994 | 37 | 0 |
| 1995 | 22 | 0 |
| 1996 | 32 | 0 |
| 1997 | 38 | 0 |
| 1998 | 24 | 0 |
| 1999 | 42 | 0 |
| 2000 | 33 | 0 |
| 2001 | 33 | 9 |
| 2002 | 41 | 36 |
| 2003 | 46 | 64 |
| 2004 | 32 | 77 |
| 2005 | 22 | 82 |
| 2006 | 35 | 83 |
| 2007 | 24 | 105 |
| 2008 | 34 | 88 |
| 2009 | 38 | 98 |
| 2010 | 51 | 124 |
| 2011 | 52 | 113 |
| 2012 | 67 | 125 |
| 2013 | 78 | 127 |
| 2014 | 119 | 174 |
| 2015 | 126 | 217 |
| 2016 | 134 | 207 |
| 2017 | 180 | 258 |
| 2018 | 153 | 261 |
| 2019 | 168 | 310 |
| 2020 | 208 | 351 |
| 2021 | 235 | 373 |
| 2022 | 198 | 391 |
| 2023 | 228 | 281 |
| 2024 | 199 | 263 |
| 2025 | 189 | 226 |
| 2026 | 114 | 166 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cover coating with good adhesion on polyurethane and polyurea membranes6 Oct 2026US 12,753,267 B2Sika Technology AG
- Method for the production of a polyurethane sandwich element6 Oct 2026US 12,753,284 B2Covestro Deutschland AG
- Method of obtaining information on the recyclability of at least one flexible foam made at least partially of at least one polyurethane6 Oct 2026US 12,755,255 B2BASF Polyurethanes GmbH
- Aqueous self-crosslinkable polyurethane dispersions22 Sep 2026US 12,742,035 B2BASF SE
- Hydrophilic acrylic-modified polyurethane and method for preparing same, and water-based paint composition prepared therefrom and manufacturing method thereof22 Sep 2026US 12,742,036 B2Samyang Corporation
- Method for the Production of a Thermoplastic Polyurethane Powder by Means of Precipitation Polymerisation1 Oct 2026US 2026/0297239 A1Covestro Deutschland AG
- A waterborne coating composition and its applications thereof24 Sep 2026US 2026/0286147 A1BASF Coatings GmbH
- Dual cure 3d printing resins17 Sep 2026US 2026/0275022 A1Stratasys, Inc.
- Upcycling polyurethane foam by incorporation of dynamic covalent adaptable networks17 Sep 2026US 2026/0275023 A1Ford Global Technologies, LLC
- Polyurethane insulation foam composition comprising a stabilizing compound17 Sep 2026US 2026/0275024 A1Huntsman International LLC
Most cited
By later US patents
- At least partially resorbable reticulated elastomeric matrix elements and methods of making same952US 9,050,176 B2Biomerix Corporation · 2015
- Polyurea composition suitable for a golf ball cover525US 5,484,870 AAcushnet Company · 1996
- Rim process for the production of elastic moldings234US 4,218,543 ABayer Aktiengesellschaft · 1980
- Golf ball comprising anionic polyurethane or polyurea ionomers and method of making the same185US 6,207,784 B1Acushnet Company · 2001
- Polyurethane polymers characterized by lactone groups and hydroxyl groups in the polymer backbone158US 4,156,067 ATyndale Plains-Hunter, Ltd. · 1979