D01D 1/065
Addition and mixing of substances to the spinning solution or to the
Official title: {Addition and mixing of substances to the spinning solution or to the melt; Homogenising}
D01D1/065 (Addition and mixing of substances to the spinning solution or to the) appears on 92 US grants and 87 published applications in this corpus.
Search patents in D01D- Granted patents
- 92
- Published applications
- 87
- Assignees
- 63
- Inventors
- 262
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 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 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 2 |
| 2003 | 3 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 5 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 5 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 4 |
| 2014 | 2 | 3 |
| 2015 | 4 | 5 |
| 2016 | 2 | 3 |
| 2017 | 4 | 5 |
| 2018 | 1 | 1 |
| 2019 | 3 | 8 |
| 2020 | 2 | 6 |
| 2021 | 4 | 8 |
| 2022 | 5 | 1 |
| 2023 | 5 | 3 |
| 2024 | 6 | 8 |
| 2025 | 5 | 8 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Laser writing in ambient conditions for carbonization of synthetic polymers, including nanostructured polymers treated in alkaline media15 Sep 2026US 12,735,815 B2Fondazione Istituto Italiano Di Technologia 5%
- Hollow fiber and a process for preparation thereof21 Jul 2026US 12,685,972 B2E. & J. Gallo Winery
- Method for providing a filtered spinning dope12 May 2026US 12,624,477 B2Treetotextile AB
- Polymer fiber with additive and methods and articles related thereto21 Apr 2026US 12,606,939 B2Shaw Industries Group, Inc.
- Bulked continuous carpet filament manufacturing from polytrimethylene terephthalate7 Apr 2026US 12,595,594 B2Aladdin Manufacturing Corporation
- Method, Apparatus and Composition for Fibre Deposition8 Oct 2026US 2026/0308810 A1Cambridge Enterprise Limited
- Hollow fiber and a process for preparation thereof10 Sep 2026US 2026/0264024 A1
- Polyurethane urea and its preparation method20 Aug 2026US 2026/0242529 A1BASF SE
- Polymer fiber with additive and methods and articles related thereto6 Aug 2026US 2026/0226659 A1Shaw Industries Group, Inc.
- Spandex dry-spinning stock solution continuous reactor and reaction method23 Jul 2026US 2026/0209995 A1Zhengzhou Zhongyuan Spandex Engineering Technology Co., Ltd
Most cited
By later US patents
- Recycled polyethylene terephthalate compositions, fibers and articles produced therefrom, and methods for producing same71US 8,735,457 B2Columbia Insurance Company · 2014
- Recycled polyethylene terephthalate compositions, fibers and articles produced therefrom, and methods for producing same62US 8,741,972 B2Columbia Insurance Company · 2014
- Additive-containing synthetic filaments, and yarns and carpets including such filaments45US 5,834,089 ABASF SE · 1998
- Instant mixer spin pack44US 5,851,562 AHills, Inc. · 1998
- High wet-strength polyolefin blown microfiber web41US 4,933,229 AMinnesota Mining and Manufacturing Company · 1990