C08G 63/00
Macromolecular compounds obtained by reactions forming a carboxylic ester link in the
Official title: Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule (polyester-amides C08G69/44; polyester-imides C08G73/16)
C08G63/00 (Macromolecular compounds obtained by reactions forming a carboxylic ester link in the) appears on 11,408 US grants and 9,690 published applications in this corpus.
Search patents in C08G- Granted patents
- 11,408
- Published applications
- 9,690
- Assignees
- 3,106
- Inventors
- 21,684
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 175 | 0 |
| 1977 | 199 | 0 |
| 1978 | 310 | 0 |
| 1979 | 196 | 0 |
| 1980 | 180 | 0 |
| 1981 | 220 | 0 |
| 1982 | 174 | 0 |
| 1983 | 179 | 0 |
| 1984 | 179 | 0 |
| 1985 | 160 | 0 |
| 1986 | 133 | 0 |
| 1987 | 154 | 0 |
| 1988 | 140 | 0 |
| 1989 | 172 | 0 |
| 1990 | 194 | 0 |
| 1991 | 227 | 0 |
| 1992 | 211 | 0 |
| 1993 | 216 | 0 |
| 1994 | 225 | 0 |
| 1995 | 221 | 0 |
| 1996 | 243 | 0 |
| 1997 | 246 | 0 |
| 1998 | 234 | 0 |
| 1999 | 213 | 0 |
| 2000 | 218 | 0 |
| 2001 | 232 | 54 |
| 2002 | 239 | 192 |
| 2003 | 213 | 228 |
| 2004 | 166 | 278 |
| 2005 | 128 | 270 |
| 2006 | 192 | 319 |
| 2007 | 152 | 287 |
| 2008 | 112 | 277 |
| 2009 | 132 | 299 |
| 2010 | 191 | 308 |
| 2011 | 189 | 356 |
| 2012 | 208 | 344 |
| 2013 | 269 | 426 |
| 2014 | 311 | 392 |
| 2015 | 340 | 448 |
| 2016 | 306 | 406 |
| 2017 | 307 | 398 |
| 2018 | 287 | 423 |
| 2019 | 328 | 471 |
| 2020 | 326 | 507 |
| 2021 | 343 | 508 |
| 2022 | 270 | 517 |
| 2023 | 284 | 564 |
| 2024 | 320 | 570 |
| 2025 | 329 | 485 |
| 2026 | 215 | 363 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C08G 63/02Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds6,511
- C08G 63/78Preparation processes2,483
- C08G 63/68Polyesters containing atoms other than carbon, hydrogen and oxygen2,480
- C08G 63/66Polyesters containing oxygen in the form of ether groups2,075
- C08G 63/91Polymers modified by chemical after-treatment1,416
- C08G 63/64Polyesters containing both carboxylic ester groups and carbonate groups640
- C08G 63/88Post-polymerisation treatment511
- C08G 63/005Polyesters prepared from ketenes23
Recent patents
- Aromatic polyester and method for producing same6 Oct 2026US 12,753,274 B2Toyobo Co., Ltd.
- Biodegradable polyester resin prepared by adding reaction rate control agent and molecular weight increasing agent derived from biomass and method for preparing same6 Oct 2026US 12,753,275 B2Bioplastics Innovations Limited
- Polyester copolymer having excellent strength, and product comprising the same6 Oct 2026US 12,753,276 B2SK Chemicals Co., Ltd.
- Polycannabinoids for commodity polymers and commodity electronics6 Oct 2026US 12,753,318 B2University of Connecticut
- Release coating compositions and articles therefrom6 Oct 2026US 12,753,325 B23M Innovative Properties Company
- 3d printing composition for biomaterials8 Oct 2026US 2026/0308309 A1Tissium
- Pellet and production method therefor8 Oct 2026US 2026/0308310 A1Sumitomo Chemical Company, Limited
- Process for preparing crystallized polylactide8 Oct 2026US 2026/0308311 A1Totalenergies Corbion BV
- Method for producing aliphatic polyester, aliphatic polyester resin, and aliphatic polyester resin composition8 Oct 2026US 2026/0308312 A1Teijin Limited
- Polyesters and a process for preparing these polyesters8 Oct 2026US 2026/0308313 A1Evonik Operations GmbH
Most cited
By later US patents
- Elastomeric medical device1,893US 5,468,253 AEthicon, Inc. · 1995
- Medical devices and applications of polyhydroxyalkanoate polymers1,636US 6,838,493 B2Metabolix, Inc. · 2005
- Poly(L-lactide-co-glycolide) copolymers, methods for making and using same, and devices containing same1,551US 6,747,121 B2Synthes USA, LLC · 2004
- End use applications of biodegradable polymers1,525US 5,444,113 AEcopol, LLC · 1995
- Polyhydroxyalkanoate compositions having controlled degradation rates1,516US 6,867,248 B1Metabolix, Inc. · 2005