C08L 59/04
Copolyoxymethylenes
C08L59/04 (Copolyoxymethylenes) appears on 125 US grants and 181 published applications in this corpus.
Search patents in C08L- Granted patents
- 125
- Published applications
- 181
- Assignees
- 54
- Inventors
- 295
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 4 |
| 2003 | 5 | 5 |
| 2004 | 4 | 4 |
| 2005 | 1 | 3 |
| 2006 | 2 | 4 |
| 2007 | 1 | 1 |
| 2008 | 3 | 4 |
| 2009 | 0 | 6 |
| 2010 | 0 | 3 |
| 2011 | 4 | 2 |
| 2012 | 2 | 3 |
| 2013 | 1 | 7 |
| 2014 | 4 | 7 |
| 2015 | 7 | 13 |
| 2016 | 5 | 14 |
| 2017 | 5 | 12 |
| 2018 | 11 | 15 |
| 2019 | 10 | 9 |
| 2020 | 9 | 11 |
| 2021 | 7 | 14 |
| 2022 | 8 | 12 |
| 2023 | 8 | 13 |
| 2024 | 9 | 4 |
| 2025 | 5 | 8 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for the production of stable polyoxymethylene copolymers (cPOM)22 Sep 2026US 12,742,033 B2BASF SE
- Isocyanate-terminated prepolymers based on polyoxymethylene-polyoxyalkylene block copolymers, process for the preparation and use thereof2 Jun 2026US 12,643,976 B2Power2Polymers GmbH
- Composition for use in sintered molded bodies and sintered molded body10 Mar 2026US 12,569,911 B2Asahi Kasei Kabushiki Kaisha
- Method for the production of a colored polyoxymethylene copolymer2 Dec 2025US 12,486,358 B2BASF SE
- Polyorganosiloxane-containing polymer particle group, composition, resin composition, and molded body5 Aug 2025US 12,378,346 B2Mitsubishi Chemical Corporation
- Use of Biomass to Produce Polyoxymethylene Copolymers13 Aug 2026US 2026/0234317 A1Celanese International Corporation
- Method for the deactivation of an acid catalyst during the production process of a polyoxymethylene copolymer23 Jul 2026US 2026/0209432 A1Base SE
- Filament for three-dimensional molding, method for producing three-dimensional molded article, and three-dimensional molded article9 Apr 2026US 2026/0098360 A1Polyplastics Co., Ltd.
- Polyoxmethylene polymer incorporating an aldehyde scavanger18 Dec 2025US 2025/0382440 A1Colormatrix Holdings, Inc.
- Green molded body, sintered molded body, and manufacturing method for the same9 Oct 2025US 2025/0312846 A1Asahi Kasei Kabushiki Kaisha
Most cited
By later US patents
- Thermoplastic molding compositions having reduced water absorption22US 7,332,560 B2Bayer MaterialScience AG · 2008
- Polyoxymethylene resin composition14US 6,602,953 B1Asahi Kasei Kabushiki Kaisha · 2003
- Polyoxymethylene copolymer and composition thereof13US 6,506,850 B1Asahi Kasei Kabushiki Kaisha · 2003
- Polyoxymethylene with improved resistance to acids and its use12US 7,247,665 B1Ticona LLC · 2007
- Impact modified polyacetal compositions10US 5,919,849 AHoechst Aktiengesellschaft · 1999