C08G 73/1003
Preparatory processes
Official title: {Preparatory processes}
C08G73/1003 (Preparatory processes) appears on 1,475 US grants and 1,300 published applications in this corpus.
Search patents in C08G- Granted patents
- 1,475
- Published applications
- 1,300
- Assignees
- 536
- Inventors
- 3,141
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 21 | 0 |
| 1978 | 22 | 0 |
| 1979 | 17 | 0 |
| 1980 | 17 | 0 |
| 1981 | 21 | 0 |
| 1982 | 22 | 0 |
| 1983 | 15 | 0 |
| 1984 | 22 | 0 |
| 1985 | 31 | 0 |
| 1986 | 19 | 0 |
| 1987 | 24 | 0 |
| 1988 | 15 | 0 |
| 1989 | 24 | 0 |
| 1990 | 36 | 0 |
| 1991 | 40 | 0 |
| 1992 | 51 | 0 |
| 1993 | 46 | 0 |
| 1994 | 44 | 0 |
| 1995 | 41 | 0 |
| 1996 | 24 | 0 |
| 1997 | 23 | 0 |
| 1998 | 26 | 0 |
| 1999 | 20 | 0 |
| 2000 | 17 | 0 |
| 2001 | 25 | 2 |
| 2002 | 22 | 15 |
| 2003 | 14 | 20 |
| 2004 | 12 | 17 |
| 2005 | 13 | 17 |
| 2006 | 15 | 22 |
| 2007 | 9 | 24 |
| 2008 | 8 | 35 |
| 2009 | 10 | 30 |
| 2010 | 14 | 43 |
| 2011 | 14 | 21 |
| 2012 | 26 | 26 |
| 2013 | 22 | 33 |
| 2014 | 25 | 38 |
| 2015 | 28 | 32 |
| 2016 | 30 | 49 |
| 2017 | 39 | 55 |
| 2018 | 30 | 78 |
| 2019 | 53 | 95 |
| 2020 | 72 | 107 |
| 2021 | 49 | 103 |
| 2022 | 58 | 134 |
| 2023 | 61 | 87 |
| 2024 | 72 | 96 |
| 2025 | 63 | 79 |
| 2026 | 33 | 42 |
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
- Method for manufacturing polyimide film with reduced gloss22 Sep 2026US 12,742,046 B2Taimide Technology Incorporation
- 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
- Polyesteramides, processes for the preparation thereof, and polyesteramide compositions15 Sep 2026US 12,735,568 B2Eastman Chemical Company
- Porous film with low dielectric property and manufacturing method thereof8 Sep 2026US 12,729,273 B2Kyungpook National University Industry-Academic Cooperation Foundation
- Polyimides and processes of making and using same8 Oct 2026US 2026/0308324 A1Government of the United States as Represented by the Secretary of the Air Force
- Polyimides: compositions, methods of making, and parts made therefrom1 Oct 2026US 2026/0297260 A1Dupont Specialty Products USA, LLC
- Photosensitive composition, transfer film, method for manufacturing laminate, laminate, and semiconductor package27 Aug 2026US 2026/0256003 A1FUJIFILM Corporation
- Polyimide resin precursor, polyimide resin, and polyimide film20 Aug 2026US 2026/0242541 A1Mitsubishi Gas Chemical Company, Inc.
- Polyimide film, and preparation method and use thereof20 Aug 2026US 2026/0242555 A1PetroChina Company Limited
Most cited
By later US patents
- Aerogel metallic compositions1,501US 7,071,287 B2Aspen Aerogels, Inc. · 2006
- 4,4'-Isopropylidene-bis(3- and 4-phenyleneoxyphthalic anhydride)129US 3,972,902 AGeneral Electric Company · 1976
- Polyimide curing process and improved thermal ink jet printhead prepared thereby126US 5,869,595 AXerox Corporation · 1999
- Adhesive layer in multi-level packaging and organic material as a metal diffusion barrier112US 5,582,858 AInternational Business Machines Corporation · 1996
- Method for making polyetherimide88US 4,443,591 AGeneral Electric Company · 1984