C08K 2201/008
Additives improving gas barrier properties
C08K2201/008 (Additives improving gas barrier properties) appears on 203 US grants and 257 published applications in this corpus.
Search patents in C08K- Granted patents
- 203
- Published applications
- 257
- Assignees
- 153
- Inventors
- 676
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 2 |
| 2002 | 8 | 2 |
| 2003 | 2 | 4 |
| 2004 | 4 | 10 |
| 2005 | 3 | 9 |
| 2006 | 3 | 12 |
| 2007 | 4 | 14 |
| 2008 | 7 | 13 |
| 2009 | 7 | 17 |
| 2010 | 10 | 23 |
| 2011 | 9 | 16 |
| 2012 | 8 | 17 |
| 2013 | 7 | 17 |
| 2014 | 12 | 13 |
| 2015 | 9 | 16 |
| 2016 | 17 | 19 |
| 2017 | 17 | 14 |
| 2018 | 12 | 8 |
| 2019 | 7 | 10 |
| 2020 | 5 | 9 |
| 2021 | 10 | 1 |
| 2022 | 4 | 4 |
| 2023 | 1 | 3 |
| 2024 | 1 | 2 |
| 2025 | 3 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oxygen absorbing resin composition, oxygen absorbing film, oxygen absorbing multi-layer film, and cover material26 May 2026US 12,637,549 B2Mitsubishi Gas Chemical Company, Inc.
- Sheet silicate lamellae with a high aspect ratio14 Apr 2026US 12,600,640 B2BYK-Chemie GmbH
- Ethylene-vinyl alcohol copolymer resin composition, film, and multilayer structure4 Nov 2025US 12,460,056 B2Mitsubishi Chemical Corporation
- Use of graphene-polymer composites to improve barrier resistance of polymers to liquid and gas permeants5 Aug 2025US 12,378,385 B2Rutgers, The State University of New Jersey
- Ethylene-vinyl alcohol copolymer resin composition, film, and multilayer structure7 Jan 2025US 12,187,863 B2Mitsubishi Chemical Corporation
- High barrier compostable products using protein fillers in bioplastics and methods of making those20 Nov 2025US 2025/0353980 A1University of Guelph
- Laminate, production method of laminate, packaging bag, and packaging body13 Nov 2025US 2025/0346774 A1Toppan Holdings Inc.
- Stored elastomer composites24 Oct 2024US 2024/0352225 A1Beyond Lotus LLC
- Oxygen absorbing resin composition, oxygen absorbing film, oxygen absorbing multi-layer film, and cover material18 Jan 2024US 2024/0018317 A1Mitsubishi Gas Chemical Company, Inc.
- Compostable oxygen barrier comprising a biodegradable polymer matrix and biocarbon22 Jun 2023US 2023/0192983 A1University of Guelph
Most cited
By later US patents
- Polyester nanocomposites for high barrier applications84US 6,034,163 AEastman Chemical Company · 2000
- Polyamide blend composition having excellent gas barrier performance75US 7,427,430 B2Honeywell International Inc. · 2008
- Composition, process for producing the same and multi-layer structure68US 4,792,484 AKuraray Co., Ltd. · 1988
- Polyester/polyamide blend having improved flavor retaining property and clarity68US 7,375,154 B2Eastman Chemical Company · 2008
- Laminate, laminate film and shaped article comprising inorganic laminar compound55US 5,766,751 ASumitomo Chemical Company, Limited · 1998