C08F 2438/02
Stable free radical polymerisation [sfrp]
Official title: Stable Free Radical Polymerisation [SFRP]; Nitroxide Mediated Polymerisation [NMP] for, e.g. using 2,2,6,6-tetramethylpiperidine-1-oxyl [TEMPO]
C08F2438/02 (Stable free radical polymerisation [sfrp]) appears on 181 US grants and 254 published applications in this corpus.
Search patents in C08F- Granted patents
- 181
- Published applications
- 254
- Assignees
- 141
- Inventors
- 638
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 4 |
| 2003 | 4 | 8 |
| 2004 | 7 | 7 |
| 2005 | 5 | 6 |
| 2006 | 2 | 5 |
| 2007 | 3 | 5 |
| 2008 | 2 | 7 |
| 2009 | 2 | 4 |
| 2010 | 9 | 17 |
| 2011 | 2 | 9 |
| 2012 | 3 | 5 |
| 2013 | 12 | 17 |
| 2014 | 8 | 12 |
| 2015 | 1 | 9 |
| 2016 | 9 | 13 |
| 2017 | 11 | 10 |
| 2018 | 10 | 11 |
| 2019 | 8 | 15 |
| 2020 | 11 | 24 |
| 2021 | 15 | 13 |
| 2022 | 10 | 17 |
| 2023 | 12 | 11 |
| 2024 | 18 | 15 |
| 2025 | 5 | 4 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Amine-modified polymer, a controlled free radical polymerization for preparing the same and implementations thereof21 Jul 2026US 12,686,745 B2BASF SE
- Surface modifying composition, modified product, and method of producing modified product24 Mar 2026US 12,583,987 B2Fukuoka University
- Biodegradable, antioxidant, thermally responsive injectable hydrogel and uses therefor10 Feb 2026US 12,544,398 B2University of Pittsburgh—Of the Commonwealth System of Higher Education
- Aqueous dispersion of opacifying pigment particles and colorant9 Dec 2025US 12,492,304 B2Rohm and Haas Company
- Polymer electrolyte for a lithium metal polymer battery having improved performance19 Aug 2025US 12,394,822 B2Blue Solutions
- Block Copolymers Suitable as Impact Modifiers, Process for Their Preparation and Polymerizable Materials Comprising Them2 Jul 2026US 2026/0184929 A1
- Catalysts and methods of use thereof25 Jun 2026US 2026/0176272 A1Yale University
- 2-Component Dental Materials Based On Crosslinked Polymeric Particles Bearing Acylthiourea Groups14 May 2026US 2026/0132235 A1
- Linear block copolymer and curable thermosetting composition comprising the linear block copolymer14 May 2026US 2026/0132240 A1Shpp Global Technologies B.V.
- Side-chain functionalized polystyrenes as membrane materials for alkaline water electrolyzers, fuel cells and flow batteries19 Mar 2026US 2026/0078248 A1
Most cited
By later US patents
- Difunctional living free radical polymerization initiators55US 5,627,248 AThe Dow Chemical Company · 1997
- Synthesis of MDH-polymer hybrid particles49US 7,407,995 B2Carnegie Mellon University · 2008
- Difunctional living free radical polymerization initiators27US 5,677,388 AThe Dow Chemical Company · 1997
- Controlled free-radical polymerization products using new control agents22US 6,737,488 B2Bayer Aktiengesellschaft · 2004
- Controlled free radical polymerization process18US 6,281,311 B1PMD Holdings Corp. · 2001