C09D 171/12
Polyphenylene oxides
C09D171/12 (Polyphenylene oxides) appears on 70 US grants and 103 published applications in this corpus.
Search patents in C09D- Granted patents
- 70
- Published applications
- 103
- Assignees
- 72
- Inventors
- 268
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 3 |
| 2004 | 2 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 4 | 14 |
| 2016 | 3 | 9 |
| 2017 | 8 | 12 |
| 2018 | 4 | 4 |
| 2019 | 7 | 7 |
| 2020 | 11 | 9 |
| 2021 | 5 | 9 |
| 2022 | 2 | 5 |
| 2023 | 6 | 11 |
| 2024 | 3 | 9 |
| 2025 | 3 | 4 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Powder composition, coating film, and three-dimensional shaped article15 Sep 2026US 12,735,579 B2Daikin Industries, Ltd.
- Material for forming organic film, substrate for manufacturing semiconductor device, method for forming organic film, patterning process, and compound for forming organic film5 May 2026US 12,619,150 B2Shin-Etsu Chemical Co., Ltd.
- PPO based film with high surface area and procedures for the obtainment thereof17 Mar 2026US 12,576,366 B2MATERIAS S.r.l.
- Resin composition, film with resin, metal foil with resin, metal-clad laminate, and printed wiring board1 Jul 2025US 12,344,738 B2Panasonic Intellectual Property Management Co., Ltd.
- Curable composition, cured product and method for forming insulating film27 May 2025US 12,312,489 B2Tokyo Ohka Kogyo.Co., Ltd.
- Resin composition and article made therefrom27 Nov 2025US 2025/0361404 A1Elite Material Co., Ltd.
- Polymeric Sublayer-Formulation Based On Resins Having High Thermomechanical Properties (PEEK, PES, PAI, PBI, ETC) For Reinforcing The Mechanical Resistance, In Particular To Heat, Of Fluorinated Coatings20 Nov 2025US 2025/0351993 A1Seb S. A.
- Copolymers derived from dicyclopentadiene17 Apr 2025US 2025/0122328 A1Shpp Global Tecnologies B.V.
- Curable resin composition, varnish, prepreg, and cured product2 Jan 2025US 2025/0002683 A1Honshu Chemical Industry Co., Ltd.
- Hardmask composition, hardmask layer, and method of forming patterns14 Nov 2024US 2024/0376342 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Powder coating of thermosetting resin(s) and poly(phenylene ethers(s))28US 6,576,718 B1General Electric Company · 2003
- Corrosion-resistant pipe and method for the preparation thereof22US 6,706,350 B2General Electric Company · 2004
- Heat treatment of polyphenylene oxide-coated metal20US 6,376,021 B1Polymer Alloys LLC · 2002
- Powder coating of thermosetting resin(s), polyphenylene ether(s) and curing agent(s)14US 6,784,260 B2General Electric Company · 2004
- Proppant and methods of using the same9US 10,538,696 B2Southwestern Energy Company · 2020