C08G 2261/21
Stereochemical aspects
C08G2261/21 (Stereochemical aspects) appears on 51 US grants and 69 published applications in this corpus.
Search patents in C08G- Granted patents
- 51
- Published applications
- 69
- Assignees
- 35
- Inventors
- 130
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 4 |
| 2012 | 1 | 6 |
| 2013 | 3 | 1 |
| 2014 | 3 | 6 |
| 2015 | 4 | 4 |
| 2016 | 6 | 3 |
| 2017 | 1 | 9 |
| 2018 | 4 | 7 |
| 2019 | 10 | 5 |
| 2020 | 7 | 3 |
| 2021 | 3 | 6 |
| 2022 | 1 | 0 |
| 2023 | 2 | 7 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Processes for producing cyclic olefins from polymers and re-polymerization thereof9 Jun 2026US 12,649,840 B2ExxonMobil Chemical Patents Inc.
- Ring-opened copolymer14 May 2024US 11,981,773 B2Zeon Corporation
- Hydrogenated norbornene ring-opened polymer, and method of producing the same7 Nov 2023US 11,807,712 B2Zeon Corporation
- Ring-opening copolymer composition8 Aug 2023US 11,718,709 B2Zeon Corporation
- Liquid copolymer formed by ring-opening copolymerization of cyclopentene, crosslinkable composition, and crosslinked rubber object19 Jul 2022US 11,390,709 B2Zeon Corporation
- Processes for producing cyclic olefins from polymers and re-polymerization thereof24 Sep 2026US 2026/0286085 A1
- Catalysts for Olefin Metathesis, Methods of Preparation, and Processes for the use Thereof4 Apr 2024US 2024/0109984 A1
- Fluorescent dyes comprising m-conjugated 1,1 -binaphthyl-based polymers14 Sep 2023US 2023/0287170 A1Miltenyi Biotec GmbH
- Water-soluble ii-conjugated fluorescent 1,1 -binaphthyl-based polymers with tuneable absorption20 Jul 2023US 2023/0228745 A1Miltenyi Biotec GmbH
- Water-soluble M-conjugated fluorescent 1,1-binaphthyl-based tandem polymers20 Jul 2023US 2023/0228746 A1Miltenyi Biotec GmbH
Most cited
By later US patents
- Polymer devices81US 6,603,139 B1Cambridge Display Technology Limited · 2003
- Hole injection/transport layer compositions and devices15US 7,569,159 B2Plextronics, Inc. · 2009
- Sulfonation of conducting polymers and OLED, photovoltaic, and ESD devices6US 8,017,241 B2Plextronics, Inc. · 2011
- Regioregular pyridal[2,1,3]thiadiazole π-conjugated copolymers for organic semiconductors4US 9,293,708 B2The Regents of the University of California · 2016
- Process for polymerising (hetero)aromatic compounds3US 8,835,579 B2BASF SE · 2014