C08G 73/22
Polybenzoxazoles
C08G73/22 (Polybenzoxazoles) appears on 378 US grants and 286 published applications in this corpus.
Search patents in C08G- Granted patents
- 378
- Published applications
- 286
- Assignees
- 148
- Inventors
- 815
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 12 | 0 |
| 1991 | 12 | 0 |
| 1992 | 27 | 0 |
| 1993 | 19 | 0 |
| 1994 | 12 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 11 | 0 |
| 1999 | 12 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 4 |
| 2002 | 8 | 4 |
| 2003 | 6 | 4 |
| 2004 | 5 | 15 |
| 2005 | 2 | 8 |
| 2006 | 9 | 12 |
| 2007 | 6 | 14 |
| 2008 | 5 | 13 |
| 2009 | 3 | 14 |
| 2010 | 15 | 22 |
| 2011 | 7 | 16 |
| 2012 | 21 | 13 |
| 2013 | 12 | 16 |
| 2014 | 15 | 12 |
| 2015 | 9 | 12 |
| 2016 | 13 | 8 |
| 2017 | 7 | 10 |
| 2018 | 6 | 17 |
| 2019 | 10 | 9 |
| 2020 | 10 | 16 |
| 2021 | 9 | 9 |
| 2022 | 8 | 7 |
| 2023 | 7 | 12 |
| 2024 | 5 | 9 |
| 2025 | 6 | 8 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Resin composition, resin composition film, cured film, hollow structure using same, and semiconductor device10 Feb 2026US 12,545,784 B2Toray Industries, Inc.
- Curable resin composition, cured film, laminate, method for manufacturing cured film, semiconductor device, and polymer precursor18 Nov 2025US 12,473,403 B2FUJIFILM Corporation
- Method of manufacturing cured film, photocurable resin composition, method of manufacturing laminate, and method of manufacturing semiconductor device23 Sep 2025US 12,422,750 B2FUJIFILM Corporation
- Phthalonitrile resins, methods of making same and compositions thereof22 Jul 2025US 12,365,763 B2Huntsman Advanced Materials Americas LLC
- Method for directly creating a film of 2D polymers from monomer solutions3 Jun 2025US 12,319,787 B2The United States of America as represented by the Secretary of the Army
- Photosensitive resin composition, resin film having pattern and method for producing same, and semiconductor circuit board16 Jul 2026US 2026/0202742 A1Jsr Corporation
- Photosensitive composition, cured product, electronic component, and method for producing cured product19 Mar 2026US 2026/0079397 A1Toray Industries, Inc.
- Package and manufacturing method thereof31 Jul 2025US 2025/0246491 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Indane bis-o-aminophenols and polymers prepared therefrom12 Jun 2025US 2025/0188015 A1
- Poly-o-hydroxyamides comprising novel indane bis-o-aminophenols, photosensitive compositions, dielectric films, and buffer coatings containing the same12 Jun 2025US 2025/0188311 A1
Most cited
By later US patents
- Mesogenic polycyanates and thermosets thereof123US 5,442,039 AThe Dow Chemical Company · 1995
- Mesogenic polycyanates and thermosets thereof86US 5,428,125 AThe Dow Chemical Company · 1995
- High performance cross-linked polybenzoxazole and polybenzothiazole polymer membranes76US 8,127,936 B2Uop LLC · 2012
- Optical coupling device and process for modulating light66US 5,845,025 AThe Trustees of the University of Pennsylvania · 1998
- Liquid crystalline polymer compositions, process, and products64US 4,772,678 ACommTech International Management Corporation · 1988