D01F 6/88
From mixtures of polycondensation products as major constituent with other polymers or
Official title: from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
D01F6/88 (From mixtures of polycondensation products as major constituent with other polymers or) appears on 757 US grants and 880 published applications in this corpus.
Search patents in D01F- Granted patents
- 757
- Published applications
- 880
- Assignees
- 508
- Inventors
- 2,314
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 8 | 0 |
| 1979 | 8 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 8 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 14 | 0 |
| 1993 | 16 | 0 |
| 1994 | 8 | 0 |
| 1995 | 16 | 0 |
| 1996 | 20 | 0 |
| 1997 | 11 | 0 |
| 1998 | 13 | 0 |
| 1999 | 28 | 0 |
| 2000 | 19 | 0 |
| 2001 | 22 | 5 |
| 2002 | 14 | 21 |
| 2003 | 15 | 21 |
| 2004 | 18 | 39 |
| 2005 | 16 | 22 |
| 2006 | 9 | 24 |
| 2007 | 11 | 26 |
| 2008 | 11 | 35 |
| 2009 | 3 | 31 |
| 2010 | 15 | 36 |
| 2011 | 17 | 26 |
| 2012 | 21 | 43 |
| 2013 | 24 | 33 |
| 2014 | 17 | 26 |
| 2015 | 18 | 40 |
| 2016 | 20 | 38 |
| 2017 | 21 | 39 |
| 2018 | 22 | 31 |
| 2019 | 23 | 40 |
| 2020 | 32 | 44 |
| 2021 | 31 | 60 |
| 2022 | 23 | 44 |
| 2023 | 35 | 48 |
| 2024 | 31 | 49 |
| 2025 | 27 | 37 |
| 2026 | 17 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polyurethane elastic fiber, gather member containing same, and sanitary material15 Sep 2026US 12,735,811 B2Asahi Kasei Kabushiki Kaisha
- Fiber11 Aug 2026US 12,703,931 B2OceanSafe AG
- Flame-retardant and windproof wadding and preparation method thereof19 May 2026US 12,630,946 B2Beijing Jinlun Ward Technology Co., Ltd
- 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
- Additive manufacturing polymers with high metal inclusion content8 Oct 2026US 2026/0308813 A1The Research Foundation for The State University of New York
- Cleaning Wipes1 Oct 2026US 2026/0297821 A1
- Blended liquid formulation for continuous production of biodegradable polymers10 Sep 2026US 2026/0265518 A1Intrinsic Advanced Materials, LLC
- Fiber and filament for three-dimensional printing10 Sep 2026US 2026/0265958 A1OceanSafe AG
- 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
Most cited
By later US patents
- Air filtration arrangements having fluted media constructions and methods381US 6,673,136 B2Donaldson Company, Inc. · 2004
- Fibers and filters containing said fibers289US 5,069,970 AAllied-Signal Inc. · 1991
- Polymer, polymer microfiber, polymer nanofiber and applications including filter structures252US 6,743,273 B2Donaldson Company, Inc. · 2004
- Fibers capable of spontaneously transporting fluids182US 5,972,505 AEastman Chemical Company · 1999
- Synthetic fiber181US 6,135,987 AKimberly-Clark Worldwide, Inc. · 2000