D21H 19/28
Polyesters
D21H19/28 (Polyesters) appears on 126 US grants and 134 published applications in this corpus.
Search patents in D21H- Granted patents
- 126
- Published applications
- 134
- Assignees
- 98
- Inventors
- 357
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 11 | 0 |
| 2001 | 4 | 3 |
| 2002 | 4 | 1 |
| 2003 | 5 | 4 |
| 2004 | 2 | 6 |
| 2005 | 3 | 4 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 2 | 4 |
| 2009 | 2 | 1 |
| 2010 | 4 | 3 |
| 2011 | 2 | 4 |
| 2012 | 1 | 4 |
| 2013 | 3 | 5 |
| 2014 | 5 | 6 |
| 2015 | 3 | 3 |
| 2016 | 1 | 7 |
| 2017 | 4 | 8 |
| 2018 | 5 | 6 |
| 2019 | 8 | 3 |
| 2020 | 2 | 1 |
| 2021 | 2 | 5 |
| 2022 | 2 | 4 |
| 2023 | 0 | 12 |
| 2024 | 3 | 17 |
| 2025 | 6 | 10 |
| 2026 | 6 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Biopolymer composition and its use as a powder coating11 Aug 2026US 12,703,947 B2Brightplus Oy
- Multi-layer flexible packaging material19 May 2026US 12,630,346 B2Societe des Produits Nestle S. A.
- Printed material, method for producing printed material and printing medium for laser printing7 Apr 2026US 12,594,781 B2Oji Holdings Corporation
- Aqueous biodegradable-resin dispersion, production method therefor, and food-packaging paper obtained using aqueous biodegradable-resin dispersion7 Apr 2026US 12,595,626 B2Miyoshi Oil & Fat Co., Ltd.
- Biodegradable compositions and articles formed therefrom24 Mar 2026US 12,583,989 B2Eastman Chemical Company
- Oxygen barrier material24 Sep 2026US 2026/0286611 A1Upm-Kymmene Corporation
- A paperboard structure comprising a barrier coating layer24 Sep 2026US 2026/0286612 A1Metsä Board Oyj
- Pha dispersion coating composition and coated fiber-based substrate27 Aug 2026US 2026/0250544 A1Stora Enso OYJ
- A barrier film for a packaging material and a packaging material27 Aug 2026US 2026/0250911 A1Stora Enso OYJ
- Resin composition for t-die extrusion molding23 Jul 2026US 2026/0209510 A1Kaneka Corporation
Most cited
By later US patents
- Paper having a melt-stable lactide polymer coating and process for manufacture thereof244US 5,475,080 ACargill, Incorporated · 1995
- Melt-stable amorphous lactide polymer film and process for manufacturing thereof217US 5,484,881 ACargill, Incorporated · 1996
- Melt-stable semi-crystalline lactide polymer film and process for manufacture thereof191US 5,536,807 ACargill, Incorporated · 1996
- Melt-stable lactide polymer composition and process for manufacture thereof100US 5,338,822 ACargill, Incorporated · 1994
- Melt-stable lactide polymer nonwoven fabric and process for manufacture thereof90US 5,525,706 ACargill, Incorporated · 1996