D01F 6/94
Of other polycondensation products
Official title: of other polycondensation products
D01F6/94 (Of other polycondensation products) appears on 135 US grants and 181 published applications in this corpus.
Search patents in D01F- Granted patents
- 135
- Published applications
- 181
- Assignees
- 152
- Inventors
- 530
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 2 |
| 2002 | 3 | 2 |
| 2003 | 1 | 3 |
| 2004 | 0 | 5 |
| 2005 | 2 | 5 |
| 2006 | 2 | 2 |
| 2007 | 3 | 4 |
| 2008 | 1 | 5 |
| 2009 | 0 | 9 |
| 2010 | 2 | 9 |
| 2011 | 6 | 6 |
| 2012 | 7 | 10 |
| 2013 | 7 | 10 |
| 2014 | 4 | 6 |
| 2015 | 4 | 9 |
| 2016 | 4 | 8 |
| 2017 | 3 | 9 |
| 2018 | 5 | 4 |
| 2019 | 4 | 8 |
| 2020 | 4 | 10 |
| 2021 | 6 | 9 |
| 2022 | 3 | 10 |
| 2023 | 4 | 9 |
| 2024 | 6 | 17 |
| 2025 | 9 | 7 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polyurethane elastic fiber, gather member containing same, and sanitary material15 Sep 2026US 12,735,811 B2Asahi Kasei Kabushiki Kaisha
- Polymer-derived ceramic fibers and methods of preparing the same14 Apr 2026US 12,600,676 B2Kansas State University Research Foundation
- Polymer strand and process for producing a polymer strand24 Feb 2026US 12,559,866 B23Dbiofibr Inc.
- Spinning beam17 Feb 2026US 12,553,153 B2Gambro Lundia AB
- Preparation method of material for puncture-resistant artificial blood vessel and artificial blood vessel prepared thereby27 Jan 2026US 12,533,224 B2Wuhan Youngsen Biotech Co., Ltd.
- Additive manufacturing polymers with high metal inclusion content8 Oct 2026US 2026/0308813 A1The Research Foundation for The State University of New York
- Polyether ester polyol, preparation method therefor, and method for preparing polyurethane elastomer by using polyether ester polyol13 Aug 2026US 2026/0234325 A1Zhengzhou Zhongyuan Spandex Engineering Technology Co., Ltd
- Polymer strand and process for producing a polymer strand4 Jun 2026US 2026/0152877 A13Dbiofibr Inc.
- Hybrid turf11 Dec 2025US 2025/0376813 A1Biopolymer Swiss AG
- Process for making pure, blended, and coaxial fire-resistant nanofibers28 Aug 2025US 2025/0270738 A1D.J. Irvin Company, LLC
Most cited
By later US patents
- Silk biomaterials and methods of use thereof133US 7,674,882 B2Massachusetts Institute of Technology · 2010
- Thermoplastic, moldable, non-exuding phase change materials97US 5,565,132 AUniversity of Dayton · 1996
- Silk biomaterials and methods of use thereof78US 8,071,722 B2Massachusetts Institute of Technology · 2011
- Fibers of polydiorganosiloxane polyurea copolymers71US 6,007,914 A3M Innovative Properties Company · 1999
- Process for producing aromatic heterocyclic polymer alloys69US 4,377,546 AThe United States of America as represented by the Secretary of the Air Force · 1983