C08G 63/193
Containing two or more aromatic rings
Official title: containing two or more aromatic rings
C08G63/193 (Containing two or more aromatic rings) appears on 289 US grants and 233 published applications in this corpus.
Search patents in C08G- Granted patents
- 289
- Published applications
- 233
- Assignees
- 150
- Inventors
- 841
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 9 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 10 | 0 |
| 1984 | 8 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 11 | 0 |
| 1990 | 13 | 0 |
| 1991 | 17 | 0 |
| 1992 | 17 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 2 |
| 2004 | 2 | 7 |
| 2005 | 3 | 2 |
| 2006 | 1 | 6 |
| 2007 | 3 | 3 |
| 2008 | 1 | 2 |
| 2009 | 2 | 1 |
| 2010 | 2 | 5 |
| 2011 | 3 | 7 |
| 2012 | 1 | 6 |
| 2013 | 5 | 9 |
| 2014 | 11 | 5 |
| 2015 | 7 | 6 |
| 2016 | 7 | 8 |
| 2017 | 2 | 9 |
| 2018 | 6 | 16 |
| 2019 | 10 | 16 |
| 2020 | 17 | 19 |
| 2021 | 8 | 15 |
| 2022 | 12 | 12 |
| 2023 | 7 | 16 |
| 2024 | 8 | 29 |
| 2025 | 7 | 20 |
| 2026 | 8 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polyarylate resin and electrophotographic photosensitive member14 Jul 2026US 12,681,396 B2KYOCERA Document Solutions Inc.
- Ester compound and resin composition7 Jul 2026US 12,674,019 B2Ajinomoto Co., Inc.
- Resin produced by polycondensation, and resin composition26 May 2026US 12,637,540 B2Mitsubishi Gas Chemical Company, Inc.
- Polyarylate resin and electrophotographic photosensitive member12 May 2026US 12,624,159 B2KYOCERA Document Solutions Inc.
- Liquid crystal polymer compositions, articles and methods of making12 May 2026US 12,624,160 B2Syensqo Specialty Polymers USA, LLC
- Sulfur-containing heterocyclic compounds and thermoplastic resins20 Aug 2026US 2026/0242539 A1Mitsubishi Gas Chemical Company, Inc.
- Polyester resin, resin composition for cosmetic containers, molded articles, and cosmetic containers23 Jul 2026US 2026/0206948 A1Mitsubishi Gas Chemical Company, Inc.
- Oligomeric binaphthyl compounds and thermoplastic resins25 Jun 2026US 2026/0176226 A1Mitsubishi Gas Chemical Company, Inc.
- Resin and Preparation Method Therefor11 Jun 2026US 2026/0159642 A1LG Chem.Ltd.
- Thermoplastic resin and optical member21 May 2026US 2026/0139096 A1Teijin Limited
Most cited
By later US patents
- Polyester compositions containing the residue of a naphthopyran compound and shaped articles produced therefrom79US 4,892,923 AEastman Kodak Company · 1990
- Negative birefringent rigid rod polymer films64US 5,580,950 AThe University of Akron · 1996
- Polyester of 2,6-naphthalene dicarboxylic acid, 2,6-dihydroxy naphthalene, terephthalic acid, and hydroquinone capable of forming an anisotropic melt54US 4,375,530 ACelanese Corporation · 1983
- Resin fine particles, method of producing resin fine particles, method of producing resin particles, and method of producing toner37US 10,409,180 B2Canon Kabushiki Kaisha · 2019
- Process for preparing polyarylates31US 4,386,186 AUnion Carbide Corporation · 1983