C08G 2/22
With epoxy compounds
Official title: with epoxy compounds
C08G2/22 (With epoxy compounds) appears on 24 US grants and 17 published applications in this corpus.
Search patents in C08G- Granted patents
- 24
- Published applications
- 17
- Assignees
- 18
- Inventors
- 74
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 4 |
| 2017 | 3 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 3 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing polyoxymethylene polyoxyalkylene copolymers9 Jun 2026US 12,649,813 B2Power2Polymers GmbH
- Method for producing polyoxymethylene polyoxyalkylene block copolymers17 Sep 2024US 12,091,492 B2Covestro Intellectual Property GmbH & Co.KG
- Antimicrobial fibers26 Sep 2023US 11,767,423 B2Mitsubishi Gas Chemical Company, Inc.
- Polyacetal resin composition for molding plate-shaped molded article, plate-shaped molded article, and carrier plate of window regulator21 Jul 2020US 10,717,864 B2Polyplastics Co., Ltd.
- Process for preparing polyoxymethylene19 Sep 2017US 9,765,172 B2BASF SE
- Secondary battery9 Apr 2026US 2026/0100368 A1Daikin Industries, Ltd.
- Polyacetal copolymer and method of manufacturing the same26 Oct 2023US 2023/0340179 A1Polyplastics Co., Ltd.
- Process for producing polyoxymethylene-polyoxyalkylene copolymers6 Jul 2023US 2023/0212352 A1Covestro Deutschland AG
- Method for producing polyoxymethylene polyoxyalkylene copolymers22 Dec 2022US 2022/0403087 A1Covestro Intellectual Property GmbH & Co.KG
- Process for producing polyoxymethylene-polyalkylene oxide block copolymers21 Apr 2022US 2022/0119579 A1Covestro Intellectual Property GmbH & Co.KG
Most cited
By later US patents
- Polyoxymethylene fibrids, a process for their production and their use36US 4,493,751 AHoechst Aktiengesellschaft · 1985
- Process for producing oxymethylene copolymer and resinous composition14US 4,751,272 AToray Industries, Inc. · 1988
- Method for producing polyoxymethylenes8US 7,863,393 B2BASF SE · 2011
- Process for producing branched or crosslinked polyacetal resin6US 5,929,195 APolyplastics Co., Ltd. · 1999
- Oxymethylene copolymers and process for their preparation5US 4,691,000 ASolvay & Cie (Societe Anonyme) · 1987