B29K 2023/12
Pp, i.e. polypropylene
Official title: {PP, i.e. polypropylene}
B29K2023/12 (Pp, i.e. polypropylene) appears on 3,080 US grants and 3,875 published applications in this corpus.
Search patents in B29K- Granted patents
- 3,080
- Published applications
- 3,875
- Assignees
- 1,847
- Inventors
- 7,924
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 9 | 0 |
| 1978 | 9 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 11 | 0 |
| 1982 | 12 | 0 |
| 1983 | 12 | 0 |
| 1984 | 12 | 0 |
| 1985 | 16 | 0 |
| 1986 | 7 | 0 |
| 1987 | 12 | 0 |
| 1988 | 10 | 0 |
| 1989 | 26 | 0 |
| 1990 | 18 | 0 |
| 1991 | 17 | 0 |
| 1992 | 30 | 0 |
| 1993 | 44 | 0 |
| 1994 | 45 | 0 |
| 1995 | 44 | 0 |
| 1996 | 45 | 0 |
| 1997 | 39 | 0 |
| 1998 | 53 | 0 |
| 1999 | 40 | 0 |
| 2000 | 40 | 0 |
| 2001 | 63 | 13 |
| 2002 | 41 | 72 |
| 2003 | 62 | 103 |
| 2004 | 60 | 102 |
| 2005 | 49 | 105 |
| 2006 | 49 | 126 |
| 2007 | 36 | 145 |
| 2008 | 40 | 161 |
| 2009 | 38 | 190 |
| 2010 | 80 | 198 |
| 2011 | 98 | 144 |
| 2012 | 94 | 131 |
| 2013 | 113 | 118 |
| 2014 | 120 | 127 |
| 2015 | 98 | 191 |
| 2016 | 110 | 208 |
| 2017 | 122 | 238 |
| 2018 | 150 | 224 |
| 2019 | 175 | 195 |
| 2020 | 185 | 211 |
| 2021 | 157 | 174 |
| 2022 | 139 | 173 |
| 2023 | 134 | 155 |
| 2024 | 118 | 142 |
| 2025 | 103 | 122 |
| 2026 | 68 | 107 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Container for package29 Sep 2026US 12,747,087 B2Berry Global, Inc.
- Combined washing/delamination process for multilayer film-containing recycling streams29 Sep 2026US 12,747,331 B2Borealis AG
- Systems and methods for rotary blow-fill-seal (BFS) machine mold positioning8 Sep 2026US 12,728,582 B2Koska Family Limited
- Polymer compositions with low warpage1 Sep 2026US 12,723,145 B2Fina Technology, Inc.
- Insulating thin film1 Sep 2026US 12,727,135 B2Illinois Tool Works Inc.
- Molding Material, Method For Producing Molding Material, Molded Article, And Method For Producing Molded Article8 Oct 2026US 2026/0307302 A1Seiko Epson Corporation
- Composite material containing wood-based fibers and having high impact strength8 Oct 2026US 2026/0307303 A1
- Product8 Oct 2026US 2026/0307316 A1Kuraray Co., Ltd.
- Method for producing a single- or multi-layered film, single- or multi-layered, extruded, simultaneously biaxially stretched and thermofixed film and corresponding uses8 Oct 2026US 2026/0307320 A1Kuhne Anlagenbau GmbH
- Additive production device and associated additive production method8 Oct 2026US 2026/0307327 A1EOS GmbH Electro Optical Systems
Most cited
By later US patents
- Method for the production of molded bodies from polymer foam particles985US 6,358,459 B1Fraunhofer-Gesellschaft zur Forderung der Angewandten ForschungE.V. · 2002
- Sinterable semi-crystalline powder and near-fully dense article formed therewith268US 5,342,919 ADTM Corporation · 1994
- Orientied microporous film214US 4,867,881 AMinnesota Minning and Manufacturing Company · 1989
- Method for injection-molding an orthopedic device and product of the method194US 5,368,549 AAircast, Inc. · 1994
- Elastomeric cushioning devices for products and objects188US 4,287,250 A1981