C08G 2261/80
Functional group cleavage
Official title: Functional group cleavage, e.g. removal of side-chains or protective groups
C08G2261/80 (Functional group cleavage) appears on 40 US grants and 57 published applications in this corpus.
Search patents in C08G- Granted patents
- 40
- Published applications
- 57
- Assignees
- 33
- Inventors
- 126
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 2 | 0 |
| 2011 | 1 | 3 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 3 | 4 |
| 2016 | 3 | 4 |
| 2017 | 2 | 6 |
| 2018 | 6 | 6 |
| 2019 | 1 | 5 |
| 2020 | 4 | 4 |
| 2021 | 3 | 6 |
| 2022 | 2 | 3 |
| 2023 | 1 | 1 |
| 2024 | 3 | 3 |
| 2025 | 4 | 3 |
| 2026 | 1 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Conductive polymer materials and methods of making the same6 Oct 2026US 12,753,273 B2Georgia Tech Research Corporation
- Brush prodrugs and uses thereof25 Nov 2025US 12,478,683 B2Massachusetts Institute of Technology
- Brush prodrugs and uses thereof16 Sep 2025US 12,414,997 B2Massachusetts Institute of Technology
- Condensed polycyclic conjugated polymers and their use for biological detection13 May 2025US 12,297,383 B2AAT Bioquest, Inc.
- Photo-patternable organic semiconductor (OSC) polymers and methods of formation and applications thereof18 Feb 2025US 12,227,613 B2Corning Incorporated
- Improving the mechanical integrity of polysulfonic acids1 Oct 2026US 2026/0297234 A1
- Brush prodrugs and uses thereof21 May 2026US 2026/0137789 A1Massachusetts Institute of Technology
- Brush prodrugs and uses thereof12 Mar 2026US 2026/0069700 A1Massachusetts Institute of Technology
- Conductive polymer materials and methods of making the same4 Sep 2025US 2025/0277083 A1Georgia Tech Research Corporation
- Method for producing chemically recyclable poly(vinyl alcohol) copolymer through ring-opening metathesis polymerization of cyclohexene derivatives29 May 2025US 2025/0171584 A1
Most cited
By later US patents
- Poly(phenylene)-based anion exchange membrane45US 7,888,397 B1Sandia Corporation · 2011
- High performance, durable polymers including poly(phenylene)23US 9,580,541 B1Sandia Corporation · 2017
- Multi-block sulfonated poly(phenylene) copolymer proton exchange membranes22US 8,110,636 B1Sandia Corporation · 2012
- Polyarylene compositions with enhanced modulus profiles15US 6,646,081 B2Dow Global Technologies LLC · 2003
- Polyarylene compositions with enhanced modulus profiles14US 6,359,091 B1The Dow Chemical Company · 2002