C08G 2650/62
Macromolecular compounds obtained by reactions forming an ether link in the main
Official title: characterised by the nature of monomer used
C08G2650/62 (Macromolecular compounds obtained by reactions forming an ether link in the main) appears on 79 US grants and 75 published applications in this corpus.
Search patents in C08G- Granted patents
- 79
- Published applications
- 75
- Assignees
- 58
- Inventors
- 224
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 5 |
| 2005 | 0 | 1 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 7 |
| 2015 | 1 | 1 |
| 2016 | 3 | 1 |
| 2017 | 4 | 7 |
| 2018 | 4 | 11 |
| 2019 | 7 | 6 |
| 2020 | 8 | 10 |
| 2021 | 4 | 7 |
| 2022 | 2 | 2 |
| 2023 | 3 | 2 |
| 2024 | 5 | 3 |
| 2025 | 1 | 4 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Branched copolymers as dispersants for mineral binders5 Aug 2025US 12,378,159 B2Sika Technology AG
- Process for synthesising semi-aromatic polyethers24 Sep 2024US 12,098,244 B2Roquette Freres
- Poly(etherimide), method for the manufacture thereof, and articles comprising the poly(etherimide)24 Sep 2024US 12,098,247 B2Shpp Global Technologies B.V.
- Method for producing polyoxymethylene polyoxyalkylene block copolymers17 Sep 2024US 12,091,492 B2Covestro Intellectual Property GmbH & Co.KG
- White photosensitive resin composition, white spacer, light conversion layer, and light-emitting device5 Mar 2024US 11,919,997 B2eChem Solutions Corp.
- Acid-resistant polyurethane and method for producing the same20 Aug 2026US 2026/0242531 A1Hodogaya Chemical Co., Ltd.
- Method for synthesizing polyphenylene ether15 Jan 2026US 2026/0015459 A1Chem Tech Solutions, LLC
- 3d-triptycene-based microporous polymer with hydroxyl groups for carbon dioxide capture and methods of preparation thereof20 Nov 2025US 2025/0352936 A1King Fahd University of Petroleum and Minerals
- Copolymerization reaction product of terahydrofuran and plant-derived 2-methyltetrahydrofuran, and method for producing the same12 Jun 2025US 2025/0188218 A1Hodogaya Chemical Co., Ltd.
- Processes for polyether polyol purification and preparation13 Mar 2025US 2025/0084201 A1Shell USA, Inc.
Most cited
By later US patents
- Antireflective coating for microlithography41US 6,207,787 B1International Business Machines Corporation · 2001
- Antireflective coating for microlithography36US 5,607,824 AInternational Business Machines Corporation · 1997
- Methods for preparing magnetic powder material and magnet, process for preparaton of resin composition and process for producing a powder molded product24US 5,350,558 AIdemitsu Kosan Co., Ltd. · 1994
- Sulphonated polyaryl-ether-sulphones and membranes thereof22US 4,054,707 ARhone-Poulenc Industries · 1977
- Methods for preparing magnetic powder material and magnet, process for prepartion of resin composition and process for producing a powder molded product20US 5,256,326 AIdemitsu Kosan Co., Ltd. · 1993