D01F 6/72
From polyureas
Official title: from polyureas
D01F6/72 (From polyureas) appears on 11 US grants and 18 published applications in this corpus.
Search patents in D01F- Granted patents
- 11
- Published applications
- 18
- Assignees
- 16
- Inventors
- 48
- Latest grant
- 9 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 2 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 4 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 2 |
| 2024 | 1 | 2 |
| 2025 | 0 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polyurethane urea elastic yarn dyeable with reactive dye and manufacturing method therefor9 Jul 2024US 12,030,978 B2Hyosung Tnc Corporation
- Method for producing polyurethane elastic fiber4 Apr 2023US 11,618,979 B2Sanko Co., Ltd.
- Silicone oil elimination from spandex polymer spinning solutions28 Mar 2023US 11,613,827 B2The LYCRA Company LLC
- Dye composition and dyeing method for elastic fabric14 Dec 2021US 11,198,970 B2Tex Tile Enterprise Co., Ltd.
- Polyurethane elastic fiber and method for producing polyurethane elastic fiber31 Aug 2021US 11,105,020 B2Sanko Co., Ltd.
- Polyurethane urea and its preparation method20 Aug 2026US 2026/0242529 A1BASF SE
- Condensation type polyurethane fiber1 Jan 2026US 2026/0001993 A1Far Eastern New Century Corporation
- Polyurethane urea elastic fiber and production method therefor24 Apr 2025US 2025/0129522 A1Toray Opelontex Co., Ltd.
- Co-polyester polyols and co-polyesters including glycols and polyurethanes and spandex produced therefrom31 Oct 2024US 2024/0360269 A1
- Polyurethane urea elastic fiber and production method therefor25 Jan 2024US 2024/0026573 A1
Most cited
By later US patents