D21H 17/71
Mixtures of material
Official title: {Mixtures of material (D21H17/69 takes precedence); Pulp or paper comprising several different materials not incorporated by special processes (D21H23/10, D21H23/70, D21H23/76 take precedence)}
D21H17/71 (Mixtures of material) appears on 451 US grants and 638 published applications in this corpus.
Search patents in D21H- Granted patents
- 451
- Published applications
- 638
- Assignees
- 294
- Inventors
- 1,314
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 1 |
| 2002 | 14 | 9 |
| 2003 | 3 | 18 |
| 2004 | 13 | 25 |
| 2005 | 7 | 17 |
| 2006 | 9 | 23 |
| 2007 | 12 | 9 |
| 2008 | 7 | 9 |
| 2009 | 8 | 3 |
| 2010 | 11 | 12 |
| 2011 | 5 | 6 |
| 2012 | 6 | 8 |
| 2013 | 11 | 24 |
| 2014 | 9 | 26 |
| 2015 | 19 | 75 |
| 2016 | 21 | 27 |
| 2017 | 33 | 30 |
| 2018 | 24 | 26 |
| 2019 | 16 | 26 |
| 2020 | 24 | 26 |
| 2021 | 27 | 35 |
| 2022 | 23 | 42 |
| 2023 | 17 | 45 |
| 2024 | 32 | 52 |
| 2025 | 18 | 35 |
| 2026 | 21 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Biopolymer composition and its use as a powder coating11 Aug 2026US 12,703,947 B2Brightplus Oy
- Method of controlling enzymatic activities and tools related thereto21 Jul 2026US 12,686,971 B2Kemira Oyj
- Softener concentrate, softener emulsion, method for producing softener emulsion and its use14 Jul 2026US 12,680,231 B2Kemira Oyj
- Creping adhesive, powder for use as creping adhesive, method for producing creping adhesive, and toilet paper, tissue paper, paper towel, kitchen paper, or napkin base paper26 May 2026US 12,637,596 B2Kuraray Co., Ltd.
- Board, method for manufacturing a board and a panel comprising such board material26 May 2026US 12,637,810 B2Unilin BV
- Treatment system and method for manufacture of paper, board or the like27 Aug 2026US 2026/0250909 A1Kemira Oyj
- Composition13 Aug 2026US 2026/0234871 A1Daikin Industries, Ltd.
- Packing material and manufacturing method of packing material13 Aug 2026US 2026/0234872 A1Sony Group Corporation
- Paper treatment agent, paper using same, and method for improving texture of paper13 Aug 2026US 2026/0234874 A1Miyoshi Oil & Fat Co., Ltd.
- Foam-Based Manufacturing System and Process6 Aug 2026US 2026/0226679 A1Kimberly-Clark Worldwide, Inc.
Most cited
By later US patents
- Conductive laminate flooring134US 4,724,187 ANevamar Corporation · 1988
- Smoking material and process for making same118US 5,046,514 AImperial Tobacco Limited · 1991
- Soft tissue paper containing an oil and a polyhydroxy compound92US 5,575,891 AThe Procter & Gamble Company · 1996
- Sleeved tissue product81US 7,914,866 B2Kimberly-Clark Worldwide, Inc. · 2011
- Soft tissue paper having a softening composition containing bilayer disrupter deposited thereon76US 6,607,637 B1The Procter & Gamble Company · 2003