C08L 2314/06
Metallocene or single site catalysts
C08L2314/06 (Metallocene or single site catalysts) appears on 1,105 US grants and 1,054 published applications in this corpus.
Search patents in C08L- Granted patents
- 1,105
- Published applications
- 1,054
- Assignees
- 263
- Inventors
- 2,187
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 12 | 0 |
| 1996 | 12 | 0 |
| 1997 | 18 | 0 |
| 1998 | 26 | 0 |
| 1999 | 42 | 0 |
| 2000 | 53 | 0 |
| 2001 | 78 | 22 |
| 2002 | 84 | 72 |
| 2003 | 72 | 59 |
| 2004 | 54 | 70 |
| 2005 | 45 | 57 |
| 2006 | 46 | 50 |
| 2007 | 30 | 36 |
| 2008 | 15 | 34 |
| 2009 | 23 | 40 |
| 2010 | 26 | 45 |
| 2011 | 39 | 40 |
| 2012 | 35 | 29 |
| 2013 | 40 | 37 |
| 2014 | 24 | 33 |
| 2015 | 26 | 27 |
| 2016 | 28 | 29 |
| 2017 | 27 | 39 |
| 2018 | 27 | 33 |
| 2019 | 24 | 28 |
| 2020 | 32 | 51 |
| 2021 | 28 | 46 |
| 2022 | 27 | 44 |
| 2023 | 30 | 44 |
| 2024 | 26 | 35 |
| 2025 | 27 | 37 |
| 2026 | 19 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- In-situ reactor blend of Ziegler-Natta catalysed, nucleated polypropylene and a metallocene catalysed polypropylene29 Sep 2026US 12,747,308 B2Borealis AG
- Olefin polymerization method and system1 Sep 2026US 12,723,108 B2China Petroleum & Chemical Corporation
- Polyethylene composition for biaxial orientation1 Sep 2026US 12,723,148 B2NOVA Chemicals (International) S.A.
- Polymer for cable jacket25 Aug 2026US 12,715,982 B2Borealis AG
- Propylene composition for foaming with improved mechanical properties11 Aug 2026US 12,703,791 B2Borealis AG
- Solution-phase polymerization process1 Oct 2026US 2026/0297308 A1NOVA Chemicals (International) S.A.
- Machine direction oriented polyethylene films for labels and related methods17 Sep 2026US 2026/0273823 A1
- Polymer composition suitable for film manufacturing17 Sep 2026US 2026/0275094 A1
- Reactor blend ethylene polymer compositions and films10 Sep 2026US 2026/0265510 A1NOVA Chemicals (International) S.A.
- Functional ethylene and 1,3-diene copolymers27 Aug 2026US 2026/0250497 A1Compagnie Generale Des Etablissements Michelin
Most cited
By later US patents
- Elastic substantially linear olefin polymers1,374US 5,272,236 AThe Dow Chemical Company · 1993
- Elastic substantialy linear olefin polymers1,117US 5,278,272 AThe Dow Chemical Company · 1994
- Process and catalyst for producing reactor blend polyolefins458US 4,937,299 AExxon Research & Engineering Co. · 1990
- Propylene ethylene polymers313US 6,525,157 B2ExxonMobile Chemical Patents Inc. · 2003
- Electrical devices comprising polymeric insulating or semiconducting members306US 5,246,783 AExxon Chemical Patents Inc. · 1993