B29K 2823/14
Copolymers of polypropylene
Official title: Copolymers of polypropylene (B29K2823/16 takes precedence)
B29K2823/14 (Copolymers of polypropylene) appears on 4 US grants and 10 published applications in this corpus.
Search patents in B29K- Granted patents
- 4
- Published applications
- 10
- Assignees
- 2
- Inventors
- 5
- Latest grant
- 1 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 3 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year.
Recent patents
- Molding systems and related methods1 Apr 2025US 12,263,630 B2Friendship Products LLC
- Molding systems and related methods27 Dec 2022US 11,534,953 B2Friendship Products LLC
- Stretch films containing random copolymer polypropylene resins in adjacent layers of a nanolayer structure10 Dec 2019US 10,500,824 B2Paragon Films, Inc.
- Stretch films containing random copolymer polypropylene resins in adjacent layers of a nanolayer structure24 May 2016US 9,346,247 B2Paragon Films, Inc.
- Molding systems and related methods18 Jul 2024US 2024/0239034 A1Friendship Products LLC
- Molding systems and related methods16 Mar 2023US 2023/0081398 A1Friendship Products LLC
- Molding systems and related methods23 Sep 2021US 2021/0291413 A1Friendship Products LLC
- Molding systems and related methods2 Sep 2021US 2021/0268696 A1Friendship Products LLC
- Molding systems and related methods2 Sep 2021US 2021/0268697 A1Friendship Products LLC
Most cited
By later US patents