C08G 63/191
Hydroquinones
C08G63/191 (Hydroquinones) appears on 18 US grants and 18 published applications in this corpus.
Search patents in C08G- Granted patents
- 18
- Published applications
- 18
- Assignees
- 22
- Inventors
- 79
- Latest grant
- 26 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 2 | 4 |
| 2021 | 1 | 3 |
| 2022 | 0 | 0 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composition for liquid crystal polymer synthesis, liquid crystal polymer for electrical/electronic products, polymer resin composition, and molded product using the same26 Mar 2024US 11,939,424 B2SK Chemicals Co., Ltd.
- Liquid-crystal polymer, laminated material, liquid-crystal polymer solution, and method of forming liquid-crystal polymer film9 Jan 2024US 11,866,632 B2Industrial Technology Research Institute
- Liquid crystal polyester resin for laminate, liquid crystal polyester resin composition, laminate, and liquid crystal polyester resin film31 Oct 2023US 11,802,178 B2Toray Industries, Inc.
- Thermoplastic composites for use in fused filament fabrication, a 3D printing process11 Jul 2023US 11,697,730 B2Virginia Tech Intellectual Properties, Inc.
- Wholly aromatic liquid crystalline polyester resin, molded article, and electric and electronic components6 Apr 2021US 10,968,311 B2Jxtg Nippon Oil & Energy Corporation
- Bio-Dihydroxyphenols for Use in Forming Bio-Liquid Crystalline Polymers9 Apr 2026US 2026/0098124 A1Ticona LLC
- Process for the production of polyester copolymers16 Jan 2025US 2025/0019493 A1Avantium Knowledge Centre B.V.
- Thermoplastic resin pellets and method for manufacturing thermoplastic resin pellets7 Nov 2024US 2024/0367349 A1Sumitomo Chemical Company, Limited
- Liquid composition, production method for liquid composition, production method for liquid crystal polyester film, and production method for laminate28 Sep 2023US 2023/0303927 A1Sumitomo Chemical Company, Limited
- Polymer Composition for Use in an Electronic Device18 May 2023US 2023/0151144 A1Ticona LLC
Most cited
By later US patents
- Liquid crystal polyester resin composition24US 10,822,452 B2Ueno Fine Chemicals Industry, Ltd. · 2020
- Wholly aromatic liquid crystalline polyester resin, molded article, and electric and electronic components19US 10,968,311 B2Jxtg Nippon Oil & Energy Corporation · 2021
- Polyesters from terephthalic acid, 2,6-naphthalenedicarboxylic acid and hydroquinone19US 5,221,730 AEastman Kodak Company · 1993
- Low-melting aromatic polyesters with repeating 2,2'-substituted-biphenylene radicals18US 4,608,429 APolaroid Corporation, Patent Dept. · 1986
- Preparation of organic polymers using organometallic terminated blocks to produce metal free block copolymers4US 4,960,835 ARaychem Corporation · 1990