C11D 3/3753
Polyvinylalcohol
Official title: {Polyvinylalcohol; Ethers or esters thereof}
C11D3/3753 (Polyvinylalcohol) appears on 263 US grants and 416 published applications in this corpus.
Search patents in C11D- Granted patents
- 263
- Published applications
- 416
- Assignees
- 115
- Inventors
- 975
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 7 |
| 2003 | 4 | 13 |
| 2004 | 6 | 7 |
| 2005 | 4 | 9 |
| 2006 | 6 | 10 |
| 2007 | 2 | 7 |
| 2008 | 5 | 9 |
| 2009 | 2 | 9 |
| 2010 | 2 | 5 |
| 2011 | 3 | 5 |
| 2012 | 8 | 9 |
| 2013 | 6 | 3 |
| 2014 | 3 | 10 |
| 2015 | 3 | 11 |
| 2016 | 8 | 20 |
| 2017 | 5 | 41 |
| 2018 | 10 | 21 |
| 2019 | 11 | 28 |
| 2020 | 22 | 38 |
| 2021 | 19 | 27 |
| 2022 | 18 | 27 |
| 2023 | 19 | 22 |
| 2024 | 19 | 22 |
| 2025 | 24 | 28 |
| 2026 | 17 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compositions comprising bleaching catalyst, manufacturing process thereof, and bleaching and cleaning agent comprising same6 Oct 2026US 12,753,372 B2Catexel Limited
- Laundry detergent composition4 Aug 2026US 12,698,455 B2Church & Dwight Co., Inc.
- Washing and cleaning agents comprising environmentally compatible microcapsules4 Aug 2026US 12,698,458 B2Henkel AG & Co. KGaA
- Water-soluble unit dose article including water-soluble core construction21 Jul 2026US 12,686,837 B2Monosol, LLC
- Water-soluble unit dose article including water-soluble core construction14 Jul 2026US 12,680,058 B2Monosol, LLC
- Laundry detergent article17 Sep 2026US 2026/0275252 A1Church & Dwight Co., Inc.
- Granules comprising bleaching catalyst or precursor thereof, bleaching agent and cleaning agent comprising same and use thereof3 Sep 2026US 2026/0258324 A1Catexel Limited
- Water-soluble film for liquid detergent package capsule, and liquid detergent package capsule27 Aug 2026US 2026/0250610 A1Aicello Corporation
- Unit dose compositions, methods of making the unit dose compositions as a unified solid13 Aug 2026US 2026/0234513 A1Church & Dwight Co., Inc.
- Multi-layer low-foam laundry sheet and preparation method thereof23 Jul 2026US 2026/0209634 A1Guangzhou Joyson Cleaning Products Co., Ltd.
Most cited
By later US patents
- Cleaning wipes115US 6,340,663 B12002
- Particles containing absorbed liquids and methods of making them92US 6,024,943 A2000
- Enzyme-containing granules coated with hydrolyzed polyvinyl alcohol or copolymer thereof91US 5,324,649 AGenencor International, Inc. · 1994
- Reduced misting oven cleaner86US 5,364,551 AEcolab Inc. · 1994
- Compositions containing perfume84US 6,194,375 B1Quest International B. V. · 2001