D02J 1/223
Stretching in a liquid bath
Official title: {Stretching in a liquid bath}
D02J1/223 (Stretching in a liquid bath) appears on 28 US grants and 23 published applications in this corpus.
Search patents in D02J- Granted patents
- 28
- Published applications
- 23
- Assignees
- 26
- Inventors
- 76
- Latest grant
- 1 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 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 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 3 |
| 2019 | 1 | 0 |
| 2020 | 1 | 3 |
| 2021 | 3 | 0 |
| 2022 | 2 | 4 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for manufacturing lyocell filament yarn and an apparatus thereof1 Apr 2025US 12,264,412 B2Aditya Birla Science and Technology Company Pvt. Ltd.
- Modified fibroin fibers14 Jan 2025US 12,195,883 B2Spiber Inc.
- Carbon fiber and method of forming the same13 Feb 2024US 11,898,276 B2Formosa Plastics Corporation
- Manufacturing method of a thermoplastic elastomer yarn6 Sep 2022US 11,432,611 B2Jeongsan International Co., Ltd.
- Method and device for manufacturing protein fiber29 Mar 2022US 11,286,286 B2Kojima Industries Corporation
- A dichloromethane free process for making cellulose triacetate fiber6 Nov 2025US 2025/0341030 A1Eastman Chemical Company
- Towel cloth and manufacturing method thereof3 Apr 2025US 2025/0109531 A1Izawa Towel Co., Ltd.
- Method for Manufacturing Protein Fiber, Method for Manufacturing Protein Fiber Fabric, and Shrink-Proofing Method for Protein Fiber9 Feb 2023US 2023/0039765 A1Spiber Inc.
- Carbon fiber and method of forming the same8 Dec 2022US 2022/0389624 A1Formosa Plastics Corporation
- A Process for Manufacturing Lyocell Filament Yarn and an Apparatus Thereof15 Sep 2022US 2022/0290329 A1Aditya Birla Science and Technology Company Pvt. Ltd.
Most cited
By later US patents
- Process for preparation of cellulose acetate fibers useful in preparation of paper products37US 5,505,888 AEastman Chemical Company · 1996
- Process for high modulus polymeric materials12US 4,254,072 ANational Research Development Corporation · 1981
- Process for drawing acrylic fibrous materials to form a product which particularly is suited for thermal stabilization and carbonization10US 3,975,482 ACelanese Corporation · 1976
- Process for the continuous production of high modulus filament of polyethylene5US 4,415,522 ANational Research Development Corporation · 1983
- Drawing bath5US 5,046,225 ARieter Machine Works, Ltd. · 1991