C08L 75/04
Polyurethanes
C08L75/04 (Polyurethanes) appears on 4,393 US grants and 5,184 published applications in this corpus.
Search patents in C08L- Granted patents
- 4,393
- Published applications
- 5,184
- Assignees
- 2,057
- Inventors
- 12,323
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 56 | 0 |
| 1977 | 42 | 0 |
| 1978 | 58 | 0 |
| 1979 | 27 | 0 |
| 1980 | 29 | 0 |
| 1981 | 41 | 0 |
| 1982 | 30 | 0 |
| 1983 | 37 | 0 |
| 1984 | 45 | 0 |
| 1985 | 54 | 0 |
| 1986 | 28 | 0 |
| 1987 | 33 | 0 |
| 1988 | 39 | 0 |
| 1989 | 45 | 0 |
| 1990 | 30 | 0 |
| 1991 | 33 | 0 |
| 1992 | 49 | 0 |
| 1993 | 60 | 0 |
| 1994 | 57 | 0 |
| 1995 | 51 | 0 |
| 1996 | 58 | 0 |
| 1997 | 54 | 0 |
| 1998 | 70 | 0 |
| 1999 | 74 | 0 |
| 2000 | 57 | 0 |
| 2001 | 74 | 25 |
| 2002 | 80 | 71 |
| 2003 | 64 | 131 |
| 2004 | 69 | 137 |
| 2005 | 66 | 128 |
| 2006 | 73 | 121 |
| 2007 | 51 | 162 |
| 2008 | 54 | 130 |
| 2009 | 59 | 142 |
| 2010 | 64 | 167 |
| 2011 | 80 | 169 |
| 2012 | 96 | 185 |
| 2013 | 111 | 198 |
| 2014 | 151 | 207 |
| 2015 | 137 | 205 |
| 2016 | 149 | 196 |
| 2017 | 160 | 201 |
| 2018 | 158 | 266 |
| 2019 | 185 | 332 |
| 2020 | 194 | 381 |
| 2021 | 213 | 366 |
| 2022 | 212 | 358 |
| 2023 | 213 | 288 |
| 2024 | 229 | 279 |
| 2025 | 171 | 204 |
| 2026 | 123 | 135 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hair fasteners and methods of manufacture thereof22 Sep 2026US 12,740,629 B2Tung Hing Plastic Manufactory Ltd.
- Aqueous dispersion liquid, adhesive agent composition, adhesive agent, affixing material, and adhesive tape22 Sep 2026US 12,742,107 B2AGC Inc.
- Composition and method for a root canal filling8 Sep 2026US 12,728,078 B2Rutgers, The State University of New Jersey
- Orthodontic articles comprising polyester urethane (meth)acrylate polymer and monofunctional (meth)acrylate monomer, methods, and polymerizable compositions8 Sep 2026US 12,729,298 B2Solventum Intellectual Properties Company
- Curable polyurethane based resin for use in additive manufacturing8 Sep 2026US 12,729,303 B2Huntsman International LLC
- Diffusion resistance layer for analyte sensors8 Oct 2026US 2026/0309670 A1DexCom, Inc.
- Impact-Damping Ring for Sports Equipment24 Sep 2026US 2026/0284493 A1
- Polyol compositions and uses thereof in polyurethane foams24 Sep 2026US 2026/0286038 A1
- Surfactants for shape memory polymer foam synthesis24 Sep 2026US 2026/0286049 A1Syracuse University
- Stabilizers for polymer foams based on recycling of polydimethylsiloxane24 Sep 2026US 2026/0286061 A1Evonik Operations GmbH
Most cited
By later US patents
- Golf ball and method of making same449US 5,803,831 ALisco, Inc. · 1998
- Multi-core, multi-cover golf ball337US 5,779,562 A1998
- Mixtures of polymers for medical use281US 4,433,072 AHospal-Sodip, S.A. · 1984
- Electro-optic display and adhesive composition for use therein276US 6,657,772 B2E Ink Corporation · 2003
- Polyurethane resins having multiple mechanisms of hardening for use in producing three-dimensional objects271US 9,453,142 B2Carbon3D, Inc. · 2016