D01F 6/625
Derived from hydroxy-carboxylic acids
Official title: {derived from hydroxy-carboxylic acids, e.g. lactones}
D01F6/625 (Derived from hydroxy-carboxylic acids) appears on 319 US grants and 437 published applications in this corpus.
Search patents in D01F- Granted patents
- 319
- Published applications
- 437
- Assignees
- 242
- Inventors
- 1,018
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 13 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 2 |
| 2003 | 4 | 12 |
| 2004 | 4 | 9 |
| 2005 | 3 | 10 |
| 2006 | 5 | 10 |
| 2007 | 3 | 8 |
| 2008 | 5 | 6 |
| 2009 | 5 | 17 |
| 2010 | 6 | 23 |
| 2011 | 11 | 15 |
| 2012 | 11 | 13 |
| 2013 | 7 | 14 |
| 2014 | 13 | 20 |
| 2015 | 11 | 26 |
| 2016 | 13 | 22 |
| 2017 | 9 | 17 |
| 2018 | 18 | 25 |
| 2019 | 13 | 23 |
| 2020 | 17 | 25 |
| 2021 | 18 | 28 |
| 2022 | 10 | 24 |
| 2023 | 15 | 24 |
| 2024 | 18 | 23 |
| 2025 | 19 | 27 |
| 2026 | 12 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fiber11 Aug 2026US 12,703,931 B2OceanSafe AG
- Spinning-drawing-winding device and combined machine for industrial polylactic-acid fiber30 Jun 2026US 12,668,894 B2Beijing Chonglee Machinery Engineering Co., Ltd.
- Highly porous, bioresorbable electrospun sensors for optical detection of tissue oxygenation9 Jun 2026US 12,648,720 B2The United States of America as represented by the Secretary of the Air Force
- PCL patch tissue regeneration scaffold and method for manufacturing same12 May 2026US 12,622,999 B2Ajou University Industry-Academic Cooperation Foundation
- Nonwoven fabrics comprising polylactic acid and surface-treated calcium carbonate12 May 2026US 12,624,482 B2Omya International AG
- Resin composition for poly(3-hydroxyalkanoate) fiber, fiber, and method for producing the same17 Sep 2026US 2026/0275581 A1Kaneka Corporation
- Biodegradable Polymer Blend6 Aug 2026US 2026/0226271 A1Kimberly-Clark Worldwide, Inc.
- Hydrogen sulfide-releasing grafts9 Jul 2026US 2026/0192015 A1
- Degradable filament, preparation method therefor, and use thereof2 Jul 2026US 2026/0185271 A1
- Pha based microporous articles and methods of forming the same18 Jun 2026US 2026/0167786 A1W. L. Gore & Associates, Inc.
Most cited
By later US patents
- Drug releasing biodegradable fiber implant1,662US 6,596,296 B1Board of Regents, The University of Texas System · 2003
- Method of forming an implantable device622US 9,352,071 B2Ethicon, Inc. · 2016
- Synthetic absorbable surgical devices of poly(alkylene oxalates)306US 4,205,399 AEthicon, Inc. · 1980
- Drug releasing biodegradable fiber for delivery of therapeutics270US 7,033,603 B2Board of Regents, The University of Texas · 2006
- Synthetic absorbable surgical devices of poly(alkylene oxalates)257US 4,140,678 AEthicon, Inc. · 1979