C08G 73/1067
Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
Official title: {Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound}
C08G73/1067 (Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound) appears on 1,419 US grants and 1,587 published applications in this corpus.
Search patents in C08G- Granted patents
- 1,419
- Published applications
- 1,587
- Assignees
- 489
- Inventors
- 3,302
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 18 | 0 |
| 1978 | 11 | 0 |
| 1979 | 7 | 0 |
| 1980 | 10 | 0 |
| 1981 | 12 | 0 |
| 1982 | 4 | 0 |
| 1983 | 12 | 0 |
| 1984 | 11 | 0 |
| 1985 | 21 | 0 |
| 1986 | 17 | 0 |
| 1987 | 27 | 0 |
| 1988 | 19 | 0 |
| 1989 | 34 | 0 |
| 1990 | 40 | 0 |
| 1991 | 29 | 0 |
| 1992 | 50 | 0 |
| 1993 | 47 | 0 |
| 1994 | 31 | 0 |
| 1995 | 22 | 0 |
| 1996 | 23 | 0 |
| 1997 | 11 | 0 |
| 1998 | 11 | 0 |
| 1999 | 10 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 2 |
| 2002 | 8 | 4 |
| 2003 | 2 | 9 |
| 2004 | 6 | 11 |
| 2005 | 5 | 5 |
| 2006 | 3 | 9 |
| 2007 | 5 | 11 |
| 2008 | 5 | 7 |
| 2009 | 7 | 39 |
| 2010 | 5 | 41 |
| 2011 | 14 | 33 |
| 2012 | 16 | 41 |
| 2013 | 27 | 59 |
| 2014 | 33 | 67 |
| 2015 | 36 | 92 |
| 2016 | 52 | 88 |
| 2017 | 61 | 82 |
| 2018 | 58 | 105 |
| 2019 | 77 | 114 |
| 2020 | 89 | 125 |
| 2021 | 64 | 128 |
| 2022 | 79 | 125 |
| 2023 | 71 | 100 |
| 2024 | 85 | 120 |
| 2025 | 69 | 109 |
| 2026 | 36 | 61 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Water based polyimide-powder coating composition and method for manufacturing composite separator for lithium secondary battery using same29 Sep 2026US 12,749,769 B2University Industry Foundation, Yonsei University Wonju Campus
- Toughened resin composition15 Sep 2026US 12,735,533 B2Iteq Corporation
- All-aromatic liquid-crystalline homo-polyimides with aromatic endgroups and crosslinked products therefrom15 Sep 2026US 12,735,534 B2The United States of America as represented by the Secretary of the Air Force
- Aromatic polyimide powder for molded body, molded body using same, method for improving mechanical strength of molded body8 Sep 2026US 12,729,272 B2Ube Corporation
- Porous film with low dielectric property and manufacturing method thereof8 Sep 2026US 12,729,273 B2Kyungpook National University Industry-Academic Cooperation Foundation
- Polyimides: compositions, methods of making, and parts made therefrom1 Oct 2026US 2026/0297260 A1Dupont Specialty Products USA, LLC
- 3d printing of carbonaceous structures from water1 Oct 2026US 2026/0297263 A1
- Negative photosensitive resin composition, negative photosensitive resin composition coating, negative photosensitive resin composition film, cured layer, and semiconductor device using these1 Oct 2026US 2026/0299418 A1Toray Industries, Inc.
- Molded polyimide article10 Sep 2026US 2026/0265493 A1
- Polyimide resin precursor, polyimide resin, and polyimide film20 Aug 2026US 2026/0242541 A1Mitsubishi Gas Chemical Company, Inc.
Most cited
By later US patents
- Insulating adhesive tape, and lead frame and semiconductor device employing the tape253US 5,406,124 AMitsui Toatsu Chemicals, Inc. · 1995
- Novel polyetherimides143US 3,983,093 AGeneral Electric Company · 1976
- 4,4'-Isopropylidene-bis(3- and 4-phenyleneoxyphthalic anhydride)129US 3,972,902 AGeneral Electric Company · 1976
- Hydroxy polyimides and high temperature positive photoresists therefrom123US 4,927,736 AHoechst Celanese Corporation · 1990
- Polyimide gas separation membranes121US 4,717,394 AE. I. Du Pont de Nemours and Company · 1988