D21H 27/28
Treated to obtain specific resistance properties
Official title: treated to obtain specific resistance properties, e.g. against wear or weather (water-repelling agents D21H21/16)
D21H27/28 (Treated to obtain specific resistance properties) appears on 109 US grants and 79 published applications in this corpus.
Search patents in D21H- Granted patents
- 109
- Published applications
- 79
- Assignees
- 64
- Inventors
- 206
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 5 | 8 |
| 2003 | 7 | 11 |
| 2004 | 5 | 7 |
| 2005 | 2 | 4 |
| 2006 | 4 | 6 |
| 2007 | 3 | 5 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 4 | 5 |
| 2011 | 1 | 3 |
| 2012 | 2 | 1 |
| 2013 | 7 | 1 |
| 2014 | 1 | 5 |
| 2015 | 3 | 2 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 4 | 4 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 3 | 4 |
| 2022 | 0 | 0 |
| 2023 | 2 | 1 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing wet-running friction paper28 Jul 2026US 12,692,663 B2Schaeffler Technologies AG & Co. KG
- Formaldehyde-free highly water and abrasion resistant overlay for building products29 Oct 2024US 12,128,648 B2Arclin USA LLC
- Formaldehyde-free highly water and abrasion resistant overlay for building products16 Jul 2024US 12,036,764 B2Arclin USA LLC
- Prepeg with improved flatness4 Apr 2023US 11,619,009 B2Schoeller Technocell GmbH & Co.KG
- Digital overlay31 Jan 2023US 11,566,380 B2Ceraloc Innovation AB
- Wrapping material or packaging material20 Aug 2026US 2026/0240224 A1Tannpapier GmbH
- Coating material and oil-proof paper4 Jun 2026US 2026/0152657 A1Sustainable Carbohydrate Innovation Co., Ltd.
- Aqueous Coating Compositions Having Excellent Storage Stability and Coatings Thereof Having Excellent Water Barrier Properties25 Dec 2025US 2025/0388776 A1Covestro (Netherlands) B.V.
- Method for producing wet-running friction paper1 Feb 2024US 2024/0035235 A1Schaeffler Technologies AG & Co. KG
- Formaldehyde-free highly water and abrasion resistant overlay for building products6 Jul 2023US 2023/0211580 A1Arclin USA LLC
Most cited
By later US patents
- Decorative thermosetting laminate143US 5,034,272 APerstorp AB · 1991
- Process for the production of a floor strip107US 6,517,935 B1Pergo (Europe) AB · 2003
- Textured laminate flooring106US 7,243,469 B2Columbia Insurance Company · 2007
- Abrasion-resistant laminate100US 4,430,375 ANevamar Corporation · 1984
- Floor strip85US 6,898,911 B2Pergo (Europe) AB · 2005