C08G 2/12
Polymerisation of acetaldehyde or cyclic oligomers thereof
C08G2/12 (Polymerisation of acetaldehyde or cyclic oligomers thereof) appears on 7 US grants and 14 published applications in this corpus.
Search patents in C08G- Granted patents
- 7
- Published applications
- 14
- Assignees
- 12
- Inventors
- 47
- Latest grant
- 1 Aug 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 0 | 1 |
| 2017 | 3 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year.
Recent patents
- Production and use of new thermoplastic polyurethane elastomers based on polyether carbonate polyols1 Aug 2017US 9,718,917 B2Covestro Deutschland AG
- Acetoacetoxy and enamine compounds and coatings therefrom14 Feb 2017US 9,567,422 B2NDSU Research Foundation
- Method for producing polyacetal copolymer24 Jan 2017US 9,550,853 B2Polyplastics Co., Ltd.
- Method for synthesizing polyoxymethylene dimethyl ethers16 Jun 2015US 9,057,034 B2Dongfang Hongsheng New Energy Application Technology Research Institute Co., Ltd.
- Method for refining polyoxymethylene dialkyl ethers by catalytic hydrogenation using a fixed bed9 Jun 2015US 9,051,524 B2Dongfang Hongsheng New Energy Application Technology Research Institute Co., Ltd.
- Nitrogen-containing compounds and preparation method thereof, anionic resin, and anionic exchange membrane31 Jul 2025US 2025/0243309 A1EVE Hydrogen Energy Co., LTD.
- Method for producing polyacetal copolymer17 Mar 2016US 2016/0075815 A1Polyplastics Co., Ltd.
- Production and use of new thermoplastic polyurethane elastomers based on polyether carbonate polyols8 Oct 2015US 2015/0284501 A1Bayer MaterialScience AG
- Method for synthesizing polyoxymethylene dimethyl ethers11 Dec 2014US 2014/0364651 A1Dongfang Hongsheng New Energy Application Technology Research Institute Co., Ltd (CN)
- Method for refining polyoxymethylene dialkyl ethers by catalytic hydrogenation using a fixed bed11 Dec 2014US 2014/0364653 A1Dongfang Hongsheng New Energy Application Technology Research Institute Co., Ltd.
Most cited
By later US patents
- Process for preparation of oxymethylene polymers, selected polymers, and their use12US 7,812,110 B2Ticona LLC · 2010
- Production and use of new thermoplastic polyurethane elastomers based on polyether carbonate polyols3US 9,718,917 B2Covestro Deutschland AG · 2017
- Method for synthesizing polyoxymethylene dimethyl ethers1US 9,057,034 B2Dongfang Hongsheng New Energy Application Technology Research Institute Co., Ltd. · 2015
- Method for producing polyacetal copolymer1US 9,550,853 B2Polyplastics Co., Ltd. · 2017