C08G 67/04
Polyanhydrides
C08G67/04 (Polyanhydrides) appears on 75 US grants and 35 published applications in this corpus.
Search patents in C08G- Granted patents
- 75
- Published applications
- 35
- Assignees
- 38
- Inventors
- 143
- Latest grant
- 30 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 4 |
| 2006 | 1 | 0 |
| 2007 | 1 | 3 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 3 | 3 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 2 | 1 |
| 2014 | 3 | 3 |
| 2015 | 2 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 3 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Bioderived recyclable epoxy-anhydride thermosetting polymers and resins30 Apr 2024US 11,970,575 B2Alliance for Sustainable Energy, LLC
- Alternating and semi-alternating poly(ester-anhydride) copolymers12 Apr 2022US 11,299,583 B2Dexcel Pharma Technologies Ltd.
- Alternating and semi-alternating poly(ester-anhydride) copolymers15 Sep 2020US 10,774,176 B2Dexcel Pharma Technologies Ltd.
- Fabrication and application of shape memory polymer possessing transesterification induced permanent reshaping property22 Oct 2019US 10,449,709 B2Zhejiang University
- Resin containing oxetane and epoxy groups and resin composition including the same28 Aug 2018US 10,059,803 B2Industrial Technology Research Institute
- Additive for 193 nm dry photoresist and preparation method for and application of additive9 Jan 2025US 2025/0013149 A1China Advanced Lithographic Material Technology Co., Ltd.
- Powder component, resin composition for coating, and coating film12 Sep 2024US 2024/0301234 A1FUJIFILM Corporation
- Polyamide composition20 Jun 2024US 2024/0199808 A1INV Nylon Chemicals Americas, LLC
- Polyanhydrides and methods of making same15 Feb 2024US 2024/0052099 A1
- Antibiotic therapeutics and uses thereof14 Sep 2023US 2023/0285566 A1
Most cited
By later US patents
- Bioerodible polyanhydrides for controlled drug delivery309US 4,906,474 AMassachusetts Institute of Technology · 1990
- Bioerodible polyanhydrides for controlled drug delivery238US 4,891,225 AMassachusetts Institute of Technology · 1990
- High molecular weight polyanhydride and preparation thereof201US 4,757,128 AMassachusetts Institute of Technology · 1988
- Polyanhydrides with improved hydrolytic degradation properties177US 4,857,311 AMassachusetts Institute of Technology · 1989
- Controlled drug delivery high molecular weight polyanhydrides135US 4,888,176 AMassachusetts Institute of Technology · 1989