B32B 23/20
Comprising esters
Official title: comprising esters
B32B23/20 (Comprising esters) appears on 262 US grants and 460 published applications in this corpus.
Search patents in B32B- Granted patents
- 262
- Published applications
- 460
- Assignees
- 180
- Inventors
- 1,060
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 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 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 9 |
| 2008 | 0 | 4 |
| 2009 | 1 | 19 |
| 2010 | 3 | 23 |
| 2011 | 5 | 18 |
| 2012 | 8 | 14 |
| 2013 | 5 | 7 |
| 2014 | 6 | 16 |
| 2015 | 12 | 7 |
| 2016 | 6 | 17 |
| 2017 | 4 | 47 |
| 2018 | 10 | 42 |
| 2019 | 34 | 46 |
| 2020 | 34 | 36 |
| 2021 | 24 | 39 |
| 2022 | 17 | 40 |
| 2023 | 21 | 20 |
| 2024 | 30 | 28 |
| 2025 | 21 | 16 |
| 2026 | 15 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wavelength conversion member6 Oct 2026US 12,752,518 B2Nichia Corporation
- Co-extruded multi-layered cellulose-based film and a method for its manufacture and products manufactured therefrom7 Jul 2026US 12,673,480 B2
- Display device16 Jun 2026US 12,656,824 B2Samsung Display Co., Ltd.
- Antiviral mask and antiviral filter made from a breathable microporous polymeric membrane12 May 2026US 12,622,474 B2University of Kentucky Research Foundation
- Head-up display system and transportation machine12 May 2026US 12,625,368 B2FUJIFILM Corporation
- Cellulose based composite planks13 Aug 2026US 2026/0234944 A1Columbia Insurance Company
- Composite papers and methods of making thereof6 Aug 2026US 2026/0226686 A1Eastman Chemical (China) Co., Ltd.
- Transparent laminate, image display device, double-sided antireflection laminate, and facial transparent protector23 Jul 2026US 2026/0211160 A1Dai Nippon Printing Co.Ltd.
- Layered containment features2 Jul 2026US 2026/0184050 A1Double Double D, LLC
- Moisture-Resistant Laminated Film Assembly with Enhanced Adhesion for Glass Surfaces11 Jun 2026US 2026/0158764 A1
Most cited
By later US patents
- Biodegradable, liquid impervious multilayer film compositions147US 5,391,423 AThe Procter & Gamble Company · 1995
- Laminated mirror lens60US 10,520,756 B2Luxottica S.R.L. · 2019
- Porous films, process for producing the same, and laminate films and recording sheets made with the use of the porous films52US 6,177,181 B1Daicel Chemical Industries, Ltd. · 2001
- Embossed duct tapes25US 5,108,815 AThe Kendall Company · 1992
- Laminated film24US 7,929,086 B2Nitto Denko Corporation · 2011