C04B 26/18
Polyesters
Official title: Polyesters; Polycarbonates
C04B26/18 (Polyesters) appears on 170 US grants and 222 published applications in this corpus.
Search patents in C04B- Granted patents
- 170
- Published applications
- 222
- Assignees
- 168
- Inventors
- 528
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 3 |
| 2004 | 1 | 3 |
| 2005 | 1 | 3 |
| 2006 | 0 | 3 |
| 2007 | 5 | 8 |
| 2008 | 0 | 5 |
| 2009 | 0 | 6 |
| 2010 | 3 | 6 |
| 2011 | 5 | 6 |
| 2012 | 1 | 13 |
| 2013 | 4 | 6 |
| 2014 | 6 | 10 |
| 2015 | 10 | 8 |
| 2016 | 4 | 9 |
| 2017 | 4 | 8 |
| 2018 | 3 | 10 |
| 2019 | 8 | 7 |
| 2020 | 6 | 21 |
| 2021 | 13 | 14 |
| 2022 | 5 | 19 |
| 2023 | 10 | 19 |
| 2024 | 8 | 7 |
| 2025 | 17 | 12 |
| 2026 | 5 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Solder-carbon nanostructure composites and methods of making and using thereof19 May 2026US 12,629,784 B2Carbice Corporation
- Polymeric composite, product with polymer composite, dry process for preparing polymer composite, process for preparing a sleeper5 May 2026US 12,617,722 B2Sileto Technologies LLC
- Mouldable artificial bone composite material and preparation method thereof3 Mar 2026US 12,564,657 B2Shenzhen Corliber Scientific Co., Ltd.
- Granulated additive based on textile fibres from end-of-life tyres (ELT), tyre powder and asphalt binder and method for obtaining the product and use17 Feb 2026US 12,552,917 B2Universidad De La Frontera
- Composite material with coating layer17 Feb 2026US 12,552,944 B2ACS International Products LP
- Method for manufacturing a decorative element comprising an engineered stone and a decorative element and a decorative element comprising and engineered stone1 Oct 2026US 2026/0296984 A1Dal-Tile, LLC
- A structural composite material and compositions and methods for the production thereof27 Aug 2026US 2026/0250195 A1Sunrise Envirotech Pty Ltd
- Cracking resistant asphalt binders including high viscosity vacuum tower bottoms material and at least one of a heavy vacuum gas oil or a biomaterial, and related methods20 Aug 2026US 2026/0242285 A1Marathon Petroleum Company LP
- Cracking resistant asphalt binders including hard asphalt, and related methods20 Aug 2026US 2026/0242286 A1Marathon Petroleum Company LP
- Cracking resistant asphalt binders including blend of low viscosity vacuum tower bottoms and bio-resins, and related methods20 Aug 2026US 2026/0242602 A1Marathon Petroleum Company LP
Most cited
By later US patents
- Ceramic coated quartz particles69US 4,195,010 AThe Burns & Russell Company of Baltimore City · 1980
- Artificial stone compositions, process of producing the same, and apparatus employed in the production thereof43US 5,244,941 ARalph Wilson Plastics Company · 1993
- Method for producing a synthetic shaped article simulating marble, granite or the like41US 5,166,230 A1992
- Molded simulated stone product and method36US 5,787,667 A1998
- Chip with stereoscopic texture for resin-based reinforced natural stone and resin-based reinforced natural stone containing the same31US 10,086,643 B2Lotte Advanced Materials Co., Ltd. · 2018