C08L 23/12
Polypropene
C08L23/12 (Polypropene) appears on 3,050 US grants and 3,560 published applications in this corpus.
Search patents in C08L- Granted patents
- 3,050
- Published applications
- 3,560
- Assignees
- 1,209
- Inventors
- 7,632
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 14 | 0 |
| 1978 | 14 | 0 |
| 1979 | 7 | 0 |
| 1980 | 16 | 0 |
| 1981 | 10 | 0 |
| 1982 | 10 | 0 |
| 1983 | 15 | 0 |
| 1984 | 14 | 0 |
| 1985 | 10 | 0 |
| 1986 | 15 | 0 |
| 1987 | 14 | 0 |
| 1988 | 31 | 0 |
| 1989 | 24 | 0 |
| 1990 | 26 | 0 |
| 1991 | 34 | 0 |
| 1992 | 31 | 0 |
| 1993 | 44 | 0 |
| 1994 | 43 | 0 |
| 1995 | 36 | 0 |
| 1996 | 58 | 0 |
| 1997 | 51 | 0 |
| 1998 | 46 | 0 |
| 1999 | 53 | 0 |
| 2000 | 56 | 0 |
| 2001 | 73 | 15 |
| 2002 | 68 | 55 |
| 2003 | 45 | 55 |
| 2004 | 41 | 72 |
| 2005 | 30 | 79 |
| 2006 | 59 | 76 |
| 2007 | 39 | 69 |
| 2008 | 23 | 50 |
| 2009 | 34 | 68 |
| 2010 | 49 | 79 |
| 2011 | 38 | 92 |
| 2012 | 49 | 80 |
| 2013 | 70 | 114 |
| 2014 | 83 | 152 |
| 2015 | 88 | 152 |
| 2016 | 104 | 172 |
| 2017 | 126 | 168 |
| 2018 | 119 | 255 |
| 2019 | 154 | 249 |
| 2020 | 208 | 288 |
| 2021 | 173 | 232 |
| 2022 | 161 | 258 |
| 2023 | 171 | 222 |
| 2024 | 134 | 226 |
| 2025 | 126 | 164 |
| 2026 | 106 | 118 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermoplastic resin composition6 Oct 2026US 12,753,300 B2LG Chem.Ltd.
- Polymers with low levels of volatile organic compounds and methods of making such polymers22 Sep 2026US 12,742,026 B2ExxonMobil Chemical Patents Inc.
- Thermoplastic polyolefin sheet composition having low hardness and low elongation, and thermoplastic polyolefin sheet comprising same22 Sep 2026US 12,742,063 B2Hanwha Advanced Materials Corporation
- Resin composition comprising thermoplastic plastomer and hollow resin particles and molded product thereof22 Sep 2026US 12,742,070 B2Zeon Corporation
- Nucleating agent composition, olefin-based resin composition, molded article thereof, and method for producing olefin-based resin composition15 Sep 2026US 12,735,514 B2Adeka Corporation
- Bio-assimilation master batch composition, processes for producing polymeric bioassimilating material therefrom, and products produced therefrom8 Oct 2026US 2026/0308339 A1Smart Plastic Technologies, LLC
- Chemical foaming of interior components8 Oct 2026US 2026/0308345 A1GM Global Technology Operations LLC
- Method for producing foam blow molded body, and foam blow molded body8 Oct 2026US 2026/0308367 A1Jsp Corporation
- Fibrous cellulose composite resin1 Oct 2026US 2026/0297311 A1Daio Paper Corporation
- Resin composition, method for producing resin composition, and injection molded article1 Oct 2026US 2026/0297312 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Plastic surgical staple1,925US 4,317,451 AEthicon, Inc. · 1982
- Kink-free spiral-wound catheter385US 5,454,795 ATarget Therapeutics, Inc. · 1995
- Propylene ethylene polymers313US 6,525,157 B2ExxonMobile Chemical Patents Inc. · 2003
- Kink-free spiral-wound catheter259US 5,695,483 ATarget Therapeutics, Inc. · 1997
- Microporous elastomeric film/nonwoven breathable laminate and method for making the same219US 6,015,764 AKimberly-Clark Worldwide, Inc. · 2000