C08G 73/06
Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
C08G73/06 (Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule) appears on 7,190 US grants and 5,621 published applications in this corpus.
Search patents in C08G- Granted patents
- 7,190
- Published applications
- 5,621
- Assignees
- 1,717
- Inventors
- 12,196
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 98 | 0 |
| 1977 | 108 | 0 |
| 1978 | 120 | 0 |
| 1979 | 61 | 0 |
| 1980 | 80 | 0 |
| 1981 | 88 | 0 |
| 1982 | 83 | 0 |
| 1983 | 77 | 0 |
| 1984 | 92 | 0 |
| 1985 | 127 | 0 |
| 1986 | 104 | 0 |
| 1987 | 115 | 0 |
| 1988 | 128 | 0 |
| 1989 | 155 | 0 |
| 1990 | 205 | 0 |
| 1991 | 214 | 0 |
| 1992 | 237 | 0 |
| 1993 | 219 | 0 |
| 1994 | 179 | 0 |
| 1995 | 156 | 0 |
| 1996 | 129 | 0 |
| 1997 | 125 | 0 |
| 1998 | 144 | 0 |
| 1999 | 148 | 0 |
| 2000 | 127 | 0 |
| 2001 | 111 | 31 |
| 2002 | 105 | 80 |
| 2003 | 83 | 121 |
| 2004 | 86 | 155 |
| 2005 | 83 | 103 |
| 2006 | 90 | 134 |
| 2007 | 70 | 151 |
| 2008 | 53 | 131 |
| 2009 | 55 | 183 |
| 2010 | 112 | 220 |
| 2011 | 124 | 195 |
| 2012 | 141 | 225 |
| 2013 | 147 | 252 |
| 2014 | 191 | 256 |
| 2015 | 210 | 282 |
| 2016 | 218 | 273 |
| 2017 | 195 | 288 |
| 2018 | 190 | 317 |
| 2019 | 245 | 335 |
| 2020 | 259 | 330 |
| 2021 | 216 | 317 |
| 2022 | 198 | 306 |
| 2023 | 208 | 270 |
| 2024 | 212 | 272 |
| 2025 | 175 | 228 |
| 2026 | 94 | 166 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C08G 73/10Polyimides5,268
- C08G 73/0622Polycondensates containing six-membered rings, not condensed with other rings, with nitrogen atoms741
- C08G 73/18Polybenzimidazoles421
- C08G 73/22Polybenzoxazoles378
- C08G 73/0605Polycondensates containing five-membered rings, not condensed with other rings, with nitrogen atoms286
- C08G 73/0666Polycondensates containing five-membered rings, condensed with other rings, with nitrogen atoms as235
- C08G 73/0683Polycondensates containing six-membered rings, condensed with other rings, with nitrogen atoms as219
- C08G 73/08Polyhydrazides143
All 9 subgroupsShow fewer
Recent patents
- Method of forming a cross-linked polymeric membrane29 Sep 2026US 12,746,516 B2Seppure Pte Ltd
- Compound, method for preparing same, and single molecule, oligomer and polymer derived from same29 Sep 2026US 12,747,216 B2LG Chem.Ltd.
- Resin composition and article made therefrom29 Sep 2026US 12,747,355 B2Elite Material Co., Ltd.
- UV excitable polyfluorene based conjugates and their use in methods of analyte detection29 Sep 2026US 12,748,106 B2AAT Bioquest, Inc.
- 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
- 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
- Polyamide-imide-based film, preparation method thereof, and cover window and display device comprising the same8 Oct 2026US 2026/0308325 A1Microworks Solutions Co., Ltd.
- Polyamide-imide-based film, preparation method thereof, and cover window and display device comprising the same8 Oct 2026US 2026/0308414 A1Microworks Solutions Co., Ltd.
- Photosensitive resin composition, cured substance, laminate, manufacturing method for cured substance, manufacturing method for laminate, manufacturing method for semiconductor device, semiconductor device, polyimide, manufacturing method for polyimide, and compound8 Oct 2026US 2026/0310076 A1FUJIFILM Corporation
- Polyimides: compositions, methods of making, and parts made therefrom1 Oct 2026US 2026/0297260 A1Dupont Specialty Products USA, LLC
Most cited
By later US patents
- Aerogel metallic compositions1,501US 7,071,287 B2Aspen Aerogels, Inc. · 2006
- Ester-terminated polyamides of polymerized fatty acids useful in formulating transparent gels in low polarity liquids271US 5,783,657 AUnion Camp Corporation · 1998
- Insulating adhesive tape, and lead frame and semiconductor device employing the tape253US 5,406,124 AMitsui Toatsu Chemicals, Inc. · 1995
- Piperazine based polymer and hair treating composition containing the same169US 4,013,787 ASociete Anonyme dite: L'Oreal · 1977
- Condensation products of basic amino acids with copolymerizable compounds and a process for their production162US 6,034,204 ABASF SE · 2000