C08G 63/605
The hydroxy and carboxylic groups being bound to aromatic rings
Official title: {the hydroxy and carboxylic groups being bound to aromatic rings}
C08G63/605 (The hydroxy and carboxylic groups being bound to aromatic rings) appears on 394 US grants and 254 published applications in this corpus.
Search patents in C08G- Granted patents
- 394
- Published applications
- 254
- Assignees
- 109
- Inventors
- 609
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 13 | 0 |
| 1983 | 13 | 0 |
| 1984 | 12 | 0 |
| 1985 | 13 | 0 |
| 1986 | 10 | 0 |
| 1987 | 10 | 0 |
| 1988 | 17 | 0 |
| 1989 | 22 | 0 |
| 1990 | 19 | 0 |
| 1991 | 20 | 0 |
| 1992 | 22 | 0 |
| 1993 | 13 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 11 | 1 |
| 2002 | 4 | 7 |
| 2003 | 5 | 6 |
| 2004 | 7 | 11 |
| 2005 | 3 | 7 |
| 2006 | 11 | 8 |
| 2007 | 5 | 7 |
| 2008 | 4 | 1 |
| 2009 | 2 | 7 |
| 2010 | 8 | 3 |
| 2011 | 4 | 4 |
| 2012 | 2 | 10 |
| 2013 | 8 | 17 |
| 2014 | 9 | 10 |
| 2015 | 7 | 3 |
| 2016 | 1 | 3 |
| 2017 | 1 | 3 |
| 2018 | 2 | 6 |
| 2019 | 2 | 11 |
| 2020 | 5 | 12 |
| 2021 | 8 | 20 |
| 2022 | 5 | 22 |
| 2023 | 11 | 30 |
| 2024 | 10 | 21 |
| 2025 | 12 | 20 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ultrasonic probe12 May 2026US 12,622,673 B2Ticona LLC
- Thermoplastic compositions and uses thereof17 Mar 2026US 12,577,468 B2Shpp Global Technologies B.V.
- Liquid crystal polymer film, polymer film, and laminate20 Jan 2026US 12,532,414 B2FUJIFILM Corporation
- Electronic device13 Jan 2026US 12,522,716 B2Ticona LLC
- Liquid crystal polymer, composition, liquid crystal polymer film, laminated material and method of forming liquid crystal polymer film23 Dec 2025US 12,503,591 B2Industrial Technology Research Institute
- Polyester, formed product, and method for manufacturing formed product18 Jun 2026US 2026/0167772 A1Sumitomo Chemical Company, Limited
- Liquid crystal polyester fibers and method for producing same14 May 2026US 2026/0132549 A1Kb Seiren, Ltd.
- Branched wholly aromatic polyesters2 Apr 2026US 2026/0092140 A1
- Liquid Crystalline Polymer Containing Repeating Units Derived from a Furanyl Dicarboxylic Acid15 Jan 2026US 2026/0015457 A1Ticona LLC
- Method for producing aromatic bis(hydroxyalkyl) dicarboxylate and method for producing recycled aromatic polyester2 Oct 2025US 2025/0304522 A1Teijin Frontier Co., Ltd.
Most cited
By later US patents
- Melt processable thermotropic wholly aromatic polyester containing polybenzoyl units151US 4,067,852 ACelanese Corporation · 1978
- Melt processable thermotropic wholly aromatic polyester comprising both para-oxybenzoyl and meta-oxybenzoyl moieties111US 4,130,545 ACelanese Corporation · 1978
- Process for extruding thermotropic liquid crystalline polymers90US 4,468,364 ACelanese Corporation · 1984
- Process for the production of aromatic polyesters from hydroxybenzoic acid and products thereof82US 4,075,173 ASumitomo Chemical Company, Limited · 1978
- Melt processable thermotropic wholly aromatic polyester77US 4,184,996 ACelanese Corporation · 1980