C08L 59/00
Compositions of polyacetals
Official title: Compositions of polyacetals; Compositions of derivatives of polyacetals (of polyvinyl acetals C08L29/14)
C08L59/00 (Compositions of polyacetals) appears on 615 US grants and 485 published applications in this corpus.
Search patents in C08L- Granted patents
- 615
- Published applications
- 485
- Assignees
- 216
- Inventors
- 1,182
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 25 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 5 | 0 |
| 1987 | 14 | 0 |
| 1988 | 12 | 0 |
| 1989 | 16 | 0 |
| 1990 | 13 | 0 |
| 1991 | 17 | 0 |
| 1992 | 25 | 0 |
| 1993 | 29 | 0 |
| 1994 | 28 | 0 |
| 1995 | 11 | 0 |
| 1996 | 9 | 0 |
| 1997 | 8 | 0 |
| 1998 | 14 | 0 |
| 1999 | 10 | 0 |
| 2000 | 11 | 0 |
| 2001 | 15 | 2 |
| 2002 | 9 | 12 |
| 2003 | 11 | 20 |
| 2004 | 14 | 24 |
| 2005 | 15 | 22 |
| 2006 | 9 | 23 |
| 2007 | 9 | 27 |
| 2008 | 10 | 20 |
| 2009 | 7 | 23 |
| 2010 | 17 | 14 |
| 2011 | 11 | 20 |
| 2012 | 14 | 16 |
| 2013 | 11 | 19 |
| 2014 | 14 | 16 |
| 2015 | 18 | 20 |
| 2016 | 12 | 23 |
| 2017 | 13 | 17 |
| 2018 | 14 | 22 |
| 2019 | 13 | 18 |
| 2020 | 19 | 19 |
| 2021 | 11 | 24 |
| 2022 | 12 | 22 |
| 2023 | 16 | 20 |
| 2024 | 20 | 14 |
| 2025 | 7 | 21 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polyoxymethylene compositions6 Oct 2026US 12,753,302 B2Delrin USA, LLC
- 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
- Polyoxymethylene-based all-solid-state polymer electrolyte prepared by in-situ ring-opening polymerization and application26 May 2026US 12,640,394 B2Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences
- Composition for use in sintered molded bodies and sintered molded body10 Mar 2026US 12,569,911 B2Asahi Kasei Kabushiki Kaisha
- Aqueous polymer latex of film-forming copolymers suitable as binder in waterborne coating compositions17 Sep 2026US 2026/0275014 A1Base SE
- Use of Biomass to Produce Polyoxymethylene Copolymers13 Aug 2026US 2026/0234317 A1Celanese International Corporation
- Composite material, stylus tip, stylus tip assembly, stylus, and forming method30 Jul 2026US 2026/0219745 A1Huawei Technologies Co., Ltd.
- Method for the deactivation of an acid catalyst during the production process of a polyoxymethylene copolymer23 Jul 2026US 2026/0209432 A1Base SE
- Core-shell microparticles for colorimetric sensing and methods for making and using the same4 Jun 2026US 2026/0153387 A1
Most cited
By later US patents
- Oligomeric chain extenders for processing, post-processing and recycling of condensation polymers, synthesis, compositions and applications96US 6,984,694 B2Johnson Polymer, Inc. · 2006
- Modified polymers for delivery of polynucleotides, method of manufacture, and methods of use thereof87US 8,349,308 B2Mersana Therapeutics, Inc. · 2013
- Low friction flat-top article carrying chain78US 4,436,200 ARexnord Inc. · 1984
- Thermoplastic resin composition61US 5,159,004 ASumitomo Chemical Company, Limited · 1992
- Thermoplastic resin composition59US 5,075,376 ASumitomo Chemical Company, Limited · 1991