C08L 2207/12
Syndiotactic polypropylene
C08L2207/12 (Syndiotactic polypropylene) appears on 64 US grants and 42 published applications in this corpus.
Search patents in C08L- Granted patents
- 64
- Published applications
- 42
- Assignees
- 33
- Inventors
- 161
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 1 |
| 2003 | 4 | 3 |
| 2004 | 2 | 5 |
| 2005 | 3 | 6 |
| 2006 | 4 | 5 |
| 2007 | 3 | 2 |
| 2008 | 2 | 2 |
| 2009 | 2 | 0 |
| 2010 | 1 | 6 |
| 2011 | 2 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 2 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Syndiotactic propylene-based ethylene-propylene copolymers26 May 2026US 12,637,558 B2ExxonMobil Chemical Patents Inc.
- Door assembly21 Nov 2023US 11,821,255 B2Endura Products, Inc.
- Polypropylene resin composition and monolayer and multilayer film8 Nov 2022US 11,492,471 B2Mitsui Chemicals, Inc.
- Polyolefin blend compositions12 Jul 2022US 11,384,233 B2ExxonMobil Chemical Patents Inc.
- Door assembly25 May 2021US 11,015,000 B1Endura Products, Inc.
- Acrylic resin film, polarizing plate, liquid-crystal display panel, and acrylic resin composition11 Dec 2025US 2025/0376565 A1Kaneka Corporation
- Syndiotactic propylene-based ethylene- propylene copolymers11 May 2023US 2023/0148328 A1ExxonMobil Chemical Patents Inc.
- Door assembly19 Nov 2020US 2020/0362072 A1Endura Products, Inc.
- Polyolefin Blend Compositions12 Nov 2020US 2020/0354555 A1ExxonMobil Chemical Patents Inc.
- Polypropylene resin composition and monolayer and multilayer film3 Oct 2019US 2019/0300688 A1Mitsui Chemicals, Inc.
Most cited
By later US patents
- Insulating composition and formed article thereof74US 5,656,371 AMitsubishi Cable Industries, Ltd. · 1997
- Syndiotactic rich polyolefins64US 7,589,145 B2ExxonMobil Chemical Patents Inc. · 2009
- Hot melt adhesive composition based on a blend of amorphous poly-α-olefin and syndiotactic polypropylene41US 6,653,385 B2Bostik Findley, Inc. · 2003
- Molded tubular medical articles of blended syndiotactic and isotactic polypropylene37US 5,603,696 ABecton, Dickinson and Company · 1997
- Transparent impact-resistant molded articles37US 5,840,389 AMitsui Chemicals, Inc. · 1998