D01F 6/06
From polypropylene
Official title: from polypropylene
D01F6/06 (From polypropylene) appears on 415 US grants and 452 published applications in this corpus.
Search patents in D01F- Granted patents
- 415
- Published applications
- 452
- Assignees
- 261
- Inventors
- 1,096
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 10 | 0 |
| 1996 | 14 | 0 |
| 1997 | 12 | 0 |
| 1998 | 13 | 0 |
| 1999 | 17 | 0 |
| 2000 | 16 | 0 |
| 2001 | 18 | 4 |
| 2002 | 7 | 19 |
| 2003 | 11 | 21 |
| 2004 | 22 | 31 |
| 2005 | 17 | 21 |
| 2006 | 11 | 23 |
| 2007 | 12 | 12 |
| 2008 | 3 | 4 |
| 2009 | 5 | 12 |
| 2010 | 4 | 17 |
| 2011 | 9 | 16 |
| 2012 | 5 | 13 |
| 2013 | 6 | 16 |
| 2014 | 7 | 17 |
| 2015 | 12 | 26 |
| 2016 | 9 | 19 |
| 2017 | 13 | 22 |
| 2018 | 9 | 13 |
| 2019 | 12 | 16 |
| 2020 | 12 | 23 |
| 2021 | 14 | 30 |
| 2022 | 6 | 15 |
| 2023 | 16 | 18 |
| 2024 | 23 | 26 |
| 2025 | 12 | 12 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymer fibers for concrete reinforcement8 Sep 2026US 12,729,294 B2Sika Technology AG
- Polypropylene composition containing a new charge-stabilizing agent for electret melt blown webs2 Jun 2026US 12,643,990 B2Borealis AG
- Polymers, method for fabricating polymers, and products including polymers21 Apr 2026US 12,606,669 B2Plantee Bioplastics Inc.
- Adhesive tape17 Mar 2026US 12,577,435 B2Certoplast Technische Klebebaender GmbH
- Melt spinning resin composition, manufacturing method for same, and fiber manufacturing method17 Mar 2026US 12,577,703 B2Kao Corporation
- Spunbond nonwoven fabric with improved opening quality and no hazardous residue, manufacturing method thereof and manufacturing apparatus thereof25 Jun 2026US 2026/0176804 A1Kolon Industries, Inc.
- Meltblown material formed from polyolefin fibers30 Apr 2026US 2026/0117434 A1O&M Halyard, Inc.
- Durably hydrophilic carded nonwovens5 Mar 2026US 2026/0060852 A1The Procter & Gamble Company
- Durably hydrophilic carded nonwovens5 Mar 2026US 2026/0062844 A1Indorama Ventures Public Company Limited
- Battery separators and methods of making the same19 Feb 2026US 2026/0051614 A1Magnera Corporation
Most cited
By later US patents
- Hydrophilic polypropylene fibers having antimicrobial activity1,367US 6,762,339 B13M Innovative Properties Company · 2004
- Isotactic propylene copolymers, their preparation and use180US 6,960,635 B2Dow Global Technologies LLC · 2005
- Oily mist resistant electret filter media and method for filtering148US 5,411,576 AMinnesota Mining and Manufacturing Company · 1995
- Oily mist resistant electret filter media130US 5,472,481 AMinnesota Mining and Manufacturing Company · 1995
- Producing high tenacity, high modulus crystalline article such as fiber or film128US 4,551,296 AAllied Corporation · 1985