D06N 3/145
Two or more layers of polyurethanes
Official title: {two or more layers of polyurethanes}
D06N3/145 (Two or more layers of polyurethanes) appears on 102 US grants and 173 published applications in this corpus.
Search patents in D06N- Granted patents
- 102
- Published applications
- 173
- Assignees
- 94
- Inventors
- 422
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 10 |
| 2003 | 2 | 6 |
| 2004 | 5 | 3 |
| 2005 | 3 | 3 |
| 2006 | 1 | 5 |
| 2007 | 1 | 3 |
| 2008 | 1 | 7 |
| 2009 | 2 | 4 |
| 2010 | 4 | 10 |
| 2011 | 0 | 3 |
| 2012 | 5 | 1 |
| 2013 | 3 | 3 |
| 2014 | 3 | 4 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 6 |
| 2018 | 2 | 6 |
| 2019 | 0 | 3 |
| 2020 | 3 | 11 |
| 2021 | 3 | 26 |
| 2022 | 11 | 17 |
| 2023 | 8 | 11 |
| 2024 | 11 | 12 |
| 2025 | 10 | 10 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Faux hide material29 Sep 2026US 12,747,534 B2Ruggable LLC
- Internally emulisified polyurethane dispersion and method for preparing the same2 Jun 2026US 12,644,224 B2Dow Global Technologies LLC
- Synthetic leather2 Jun 2026US 12,644,225 B2DIC Corporation
- Layered collagen materials and methods of making the same7 Apr 2026US 12,595,366 B2Modern Meadow, Inc.
- Method for manufacturing mycelium mat into leather by using pH-controlled tannic acid23 Sep 2025US 12,421,654 B2Mycel Inc.
- Layered collagen materials and methods of making the same23 Jul 2026US 2026/0209514 A1Modern Meadow, Inc.
- Very thin electronic packaging leather and preparation method thereof18 Jun 2026US 2026/0166870 A1Zhejiang Hexin New Material Co., Ltd.
- Full-grain leather-like sheet11 Jun 2026US 2026/0158771 A1Kuraray Co., Ltd.
- Leather-like material of vegetable origin made from persimmon puree7 May 2026US 2026/0125849 A1Persiskin, S.L.
- Artificial leather with cool surface feature18 Dec 2025US 2025/0382743 A1Dow Global Technologies LLC
Most cited
By later US patents
- Leather-like sheet material52US 6,900,148 B2Kuraray Co., Ltd. · 2005
- Moisture-permeable, waterproof fabric and its production process38US 5,753,568 AKomatsu Seiren Co., Ltd. · 1998
- Three-dimensional, seamless waterproof breathable flexible composite material33US 5,650,225 AW. L. Gore & Associates, Inc. · 1997
- Laminated textile fabrics for use in air holding vehicle restraint systems30US 6,770,578 B2Bradford Industries, Inc. · 2004
- Heat sealable coated textile fabric for inflatable vehicle restraint systems29US 6,350,709 B1Bradford Industries, Inc. · 2002