D01F 9/26
From polyesters
Official title: from polyesters
D01F9/26 (From polyesters) appears on 8 US grants and 8 published applications in this corpus.
Search patents in D01F- Granted patents
- 8
- Published applications
- 8
- Assignees
- 7
- Inventors
- 20
- Latest grant
- 5 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 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 | 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 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 4 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Polyester composition with improved dyeing properties5 Sep 2023US 11,746,228 B2Parkdale Incorporated
- Method to massively manufacture carbon fibers through graphene composites and the use thereof15 Sep 2020US 10,774,450 B2
- Oil agent for carbon-fiber-precursor acrylic fiber, oil agent composition for carbon-fiber-precursor acrylic fiber, oil-treatment-liquid for carbon-fiber-precursor acrylic fiber, and carbon-fiber-precursor acrylic fiber bundle4 Feb 2020US 10,550,512 B2Mitsubishi Chemical Corporation
- Fiber production system and production method28 May 2019US 10,300,635 B2Kordsa Global EndüStrivel Iplik Ve Kord Bezi Sanayi Ve Ticaret Anonim Sirketi
- Process of making carbon fibers from compositions including esterified lignin and poly(lactic acid)17 May 2016US 9,340,425 B2Iowa State University Research Foundation, Inc.
- Polyester Composition With Improved Dyeing Properties2 Sep 2021US 2021/0269636 A1Parkdale Incorporated
- Carbon fiber layer having carbon coating22 Feb 2018US 2018/0051398 A1Korea Railroad Research Institute
- Carbon fiber, method of preparation of same and carbon-fiber-reinforced resin composition7 Dec 2017US 2017/0350040 A1
- Oil agent for carbon-fiber-precursor acrylic fiber, oil agent composition for carbon-fiber-precursor acrylic fiber, oil-treatment-liquid for carbon-fiber-precursor acrylic fiber, and carbon-fiber-precursor acrylic fiber bundle5 Oct 2017US 2017/0284016 A1Mitsubishi Chemical Corporation
- Method to Massively Manufacture Carbon Fibers through Graphene Composites and the Use Thereof24 Aug 2017US 2017/0241049 A1
Most cited
By later US patents
- Filaments with evolved structure and process of making some15US 4,198,459 A1980
- Hollow filamentary structures12US 3,949,115 A1976
- Process for production of carbon fibers and the resultant fibers3US 3,966,887 ACharbonnages de France · 1976
- Process of making carbon fibers from compositions including esterified lignin and poly(lactic acid)3US 9,340,425 B2Iowa State University Research Foundation, Inc. · 2016
- Oil agent for carbon-fiber-precursor acrylic fiber, oil agent composition for carbon-fiber-precursor acrylic fiber, oil-treatment-liquid for carbon-fiber-precursor acrylic fiber, and carbon-fiber-precursor acrylic fiber bundle2US 10,550,512 B2Mitsubishi Chemical Corporation · 2020