D10B 2321/022
Polypropylene
Official title: polypropylene
D10B2321/022 (Polypropylene) appears on 461 US grants and 727 published applications in this corpus.
Search patents in D10B- Granted patents
- 461
- Published applications
- 727
- Assignees
- 437
- Inventors
- 1,514
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 6 |
| 2002 | 8 | 8 |
| 2003 | 9 | 14 |
| 2004 | 5 | 7 |
| 2005 | 3 | 14 |
| 2006 | 2 | 14 |
| 2007 | 9 | 22 |
| 2008 | 3 | 23 |
| 2009 | 6 | 13 |
| 2010 | 7 | 17 |
| 2011 | 14 | 17 |
| 2012 | 7 | 8 |
| 2013 | 9 | 5 |
| 2014 | 8 | 16 |
| 2015 | 7 | 38 |
| 2016 | 11 | 30 |
| 2017 | 9 | 33 |
| 2018 | 24 | 37 |
| 2019 | 25 | 43 |
| 2020 | 27 | 51 |
| 2021 | 26 | 45 |
| 2022 | 19 | 47 |
| 2023 | 32 | 58 |
| 2024 | 43 | 66 |
| 2025 | 30 | 53 |
| 2026 | 37 | 42 |
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
- Spun-bonded nonwoven fabric and sanitary material25 Aug 2026US 12,716,154 B2Mitsui Chemicals Asahi Life Materials Co., Ltd.
- Composition of reclaimed synthetic turf and products comprising same11 Aug 2026US 12,703,950 B1Columbia Insurance Company
- Method of manufacturing solid electrolyte membrane, method of manufacturing all-solid-state battery, apparatus for manufacturing solid electrolyte membrane, and apparatus for manufacturing all-solid-state battery4 Aug 2026US 12,700,619 B2National University Corporation Kyoto Institute of Technology
- Elastomeric laminate with soft noncrimped spunbond fiber webs28 Jul 2026US 12,691,012 B2The Procter & Gamble Company
- Walk-off carpet8 Oct 2026US 2026/0305911 A1Aladdin Manufacturing Corporation
- Article including blown microfibers and fire barrier particles and related processes24 Sep 2026US 2026/0286585 A13M Innovative Properties Company
- Sanitary mask sheet17 Sep 2026US 2026/0272077 A1Kao Corporation
- Nonwoven fabric having improved strength and softness10 Sep 2026US 2026/0265969 A1Fitesa Simpsonville, Inc.
- Grafted articles derived from porous polymeric fibers and methods thereof20 Aug 2026US 2026/0243018 A13M Innovative Properties Company
Most cited
By later US patents
- Artificial tubular organ445US 5,236,447 ANissho Corporation · 1993
- Fabric-based sensor for monitoring vital signs312US 6,970,731 B1Georgia Tech Research Corporation · 2005
- Polypropylene multifilament warp knitted mesh and its use in surgery133US 5,292,328 AUnited States Surgical Corporation · 1994
- Electrically conductive tapes and processes90US 5,763,069 AAmoco Corporation · 1998
- Illuminating textile article75US 8,282,232 B2Fu-biau Hsu · 2012