D21H 27/36
Films made from synthetic macromolecular compounds
D21H27/36 (Films made from synthetic macromolecular compounds) appears on 61 US grants and 66 published applications in this corpus.
Search patents in D21H- Granted patents
- 61
- Published applications
- 66
- Assignees
- 61
- Inventors
- 196
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 3 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 1 |
| 2017 | 4 | 5 |
| 2018 | 2 | 3 |
| 2019 | 2 | 2 |
| 2020 | 3 | 4 |
| 2021 | 0 | 2 |
| 2022 | 4 | 10 |
| 2023 | 5 | 5 |
| 2024 | 3 | 7 |
| 2025 | 4 | 1 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Packaging material for tobacco products and package for tobacco products16 Jun 2026US 12,654,431 B2Japan Tobacco Inc.
- Multi-layered product having an embossed interior layer and a method for making the product7 Apr 2026US 12,594,740 B2American Custom Converting, L.L.C.
- Method to produce an adhesive component comprising starch and microfibrillated cellulose, an adhesive and products24 Jun 2025US 12,338,370 B2Stora Enso OYJ
- Composite waterproof corrugated paper and manufacturing method thereof17 Jun 2025US 12,331,468 B2Taiwan Lung Meng Advanced Composite Materials Co., Ltd.
- Multilayer film comprising highly refined cellulose fibers25 Mar 2025US 12,258,710 B2Stora Enso OYJ
- Multi-layered product having an embossed interior layer and a method for making the product13 Aug 2026US 2026/0233486 A1American Custom Converting, L.L.C.
- A method for manufacturing a paper or paperboard based packaging laminate6 Aug 2026US 2026/0225357 A1Stora Enso OYJ
- Adhesive-free engineered plant materials, and methods for fabrication thereof16 Jul 2026US 2026/0200213 A1University of Maryland, College Park
- Cross-linked polyvinyl alcohol adhesives23 Apr 2026US 2026/0110139 A1The Procter & Gamble Company
- Coated paperboard19 Feb 2026US 2026/0049450 A1Billerud Aktiebolag (publ)
Most cited
By later US patents
- Security paper with color mark145US 5,449,200 ADomtar Inc. · 1995
- Towel with quality wet scrubbing properties at relatively low basis weight and an apparatus and method for producing same66US 9,719,213 B2First Quality Tissue, LLC · 2017
- Multifunctional recording sheets53US 5,714,270 AXerox Corporation · 1998
- Composition containing inorganic porous crystals-hydrophilic macromolecule composite and product made therefrom50US 6,372,333 B1Rengo Co., Ltd. · 2002
- Synthetic paper47US 6,150,005 AInternational Paper Company · 2000