C08G 69/00
Macromolecular compounds obtained by reactions forming a carboxylic amide link in the
Official title: Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule (products obtained from isocyanates or isothiocyanates C08G18/00; polyamide-imides C08G73/14)
C08G69/00 (Macromolecular compounds obtained by reactions forming a carboxylic amide link in the) appears on 5,197 US grants and 4,186 published applications in this corpus.
Search patents in C08G- Granted patents
- 5,197
- Published applications
- 4,186
- Assignees
- 1,661
- Inventors
- 10,518
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 111 | 0 |
| 1977 | 90 | 0 |
| 1978 | 106 | 0 |
| 1979 | 78 | 0 |
| 1980 | 90 | 0 |
| 1981 | 81 | 0 |
| 1982 | 69 | 0 |
| 1983 | 82 | 0 |
| 1984 | 83 | 0 |
| 1985 | 69 | 0 |
| 1986 | 94 | 0 |
| 1987 | 95 | 0 |
| 1988 | 98 | 0 |
| 1989 | 116 | 0 |
| 1990 | 117 | 0 |
| 1991 | 106 | 0 |
| 1992 | 119 | 0 |
| 1993 | 111 | 0 |
| 1994 | 126 | 0 |
| 1995 | 102 | 0 |
| 1996 | 110 | 0 |
| 1997 | 117 | 0 |
| 1998 | 105 | 0 |
| 1999 | 111 | 0 |
| 2000 | 86 | 0 |
| 2001 | 93 | 16 |
| 2002 | 84 | 81 |
| 2003 | 82 | 82 |
| 2004 | 80 | 98 |
| 2005 | 53 | 70 |
| 2006 | 41 | 68 |
| 2007 | 38 | 92 |
| 2008 | 26 | 82 |
| 2009 | 33 | 96 |
| 2010 | 49 | 168 |
| 2011 | 45 | 139 |
| 2012 | 83 | 169 |
| 2013 | 117 | 253 |
| 2014 | 171 | 214 |
| 2015 | 165 | 215 |
| 2016 | 149 | 257 |
| 2017 | 178 | 239 |
| 2018 | 163 | 228 |
| 2019 | 156 | 200 |
| 2020 | 184 | 234 |
| 2021 | 144 | 241 |
| 2022 | 123 | 231 |
| 2023 | 124 | 225 |
| 2024 | 133 | 197 |
| 2025 | 136 | 183 |
| 2026 | 75 | 108 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C08G 69/02Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids3,518
- C08G 69/44Polyester-amides785
- C08G 69/48Polymers modified by chemical after-treatment751
- C08G 69/40Polyamides containing oxygen in the form of ether groups575
- C08G 69/42Polyamides containing atoms other than carbon, hydrogen, oxygen, and nitrogen327
- C08G 69/46Post-polymerisation treatment155
- C08G 69/38Polyamides prepared from aldehydes and polynitriles9
Recent patents
- Purification method for laurolactam6 Oct 2026US 12,753,280 B2Hanwha Solutions Corporation
- Polymer and thermal interface material6 Oct 2026US 12,753,335 B2Industrial Technology Research Institute
- Epoxy composition containing copolyamide and block copolymer with polyamide and polyether blocks22 Sep 2026US 12,742,068 B2Zephyros, Inc.
- Flexible hydrophilic aspartic resin and emulsion15 Sep 2026US 12,735,532 B1Shenzhen Feiyang Protech Corp., Ltd
- Polyesteramides, processes for the preparation thereof, and polyesteramide compositions15 Sep 2026US 12,735,568 B2Eastman Chemical Company
- Contorted polyamide membranes and methods of use thereof8 Oct 2026US 2026/0307019 A1University of Houston System
- Integrated System and Process for Producing High Performance Polyamides from Circular Components8 Oct 2026US 2026/0308322 A1Celanese Polymers Holding, Inc.
- Polyamide block copolymer, polyamide block copolymer composition, and molded body8 Oct 2026US 2026/0308323 A1Kuraray Co., Ltd.
- Polyamide block copolymer, polyamide block copolymer composition, and molded article8 Oct 2026US 2026/0308332 A1Kuraray Co., Ltd.
- High melt temperature soluble semi-crystalline polyamides1 Oct 2026US 2026/0297255 A1Syensqo Specialty Polymers USA, LLC
Most cited
By later US patents
- Large scale photolithographic solid phase synthesis of polypeptides and receptor binding screening thereof1,998US 5,143,854 AAffymax Technologies N.V. · 1992
- Array of oligonucleotides on a solid substrate1,585US 5,445,934 AAffymax Technologies N.V. · 1995
- Synthesis and screening of immobilized oligonucleotide arrays676US 5,510,270 AAffymax Technologies N.V. · 1996
- Large scale photolithographic solid phase synthesis of an array of polymers454US 5,405,783 AAffymax Technologies N.V. · 1995
- Hydrogels of absorbable polyoxaesters413US 5,698,213 AEthicon, Inc. · 1997