D01F 2/16
Addition of dyes to the spinning solution
D01F2/16 (Addition of dyes to the spinning solution) appears on 4 US grants and 8 published applications in this corpus.
Search patents in D01F- Granted patents
- 4
- Published applications
- 8
- Assignees
- 7
- Inventors
- 19
- Latest grant
- 11 Jul 2006
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Modified regenerated cellulose fiber and fiber product thereof11 Jul 2006US 7,074,245 B2Fuji Spinning Co., Ltd.
- Modified regenerated cellulose fiber and fiber product thereof23 Nov 2004US 6,821,304 B2Fuji Spinning Co., Ltd.
- Method for producing transparent, colored cellulose sleeves28 Sep 2004US 6,797,015 B1Wolff Walsrode AG
- Spin dyeing process with dyeing salts22 Dec 1998US 5,851,239 ADyStar Textilfarben GmbH & Co.
- Method for obtaining viscose filament rayon with cyclically varying linear density called "flame" rayon, an installation for the realization of this method, and a product, obtained using this method and this installation4 Jun 2020US 2020/0173058 A1E. Miroglio Joint- Stock Company
- Method and installation for the production of viscose rayon directly dyed in mass in two colours simultaneously28 Nov 2019US 2019/0360124 A1E. Miroglio Joint- Stock Company
- Fluorescent fiber, its use and processes for its production19 May 2016US 2016/0138217 A1Lenzing Aktiengesellschaft
- Luminescent fibers, articles including the same, and methods of forming the same14 May 2015US 2015/0132575 A1Honeywell International Inc.
- Fluorescent fibers and their use13 Jun 2013US 2013/0149933 A1Lenzing Aktiengesellschaft
Most cited
By later US patents