B29K 2039/06
Polymers of n-vinyl-pyrrolidones
Official title: Polymers of N-vinyl-pyrrolidones
B29K2039/06 (Polymers of n-vinyl-pyrrolidones) appears on 65 US grants and 70 published applications in this corpus.
Search patents in B29K- Granted patents
- 65
- Published applications
- 70
- Assignees
- 42
- Inventors
- 166
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 2 |
| 2015 | 0 | 7 |
| 2016 | 5 | 7 |
| 2017 | 2 | 4 |
| 2018 | 6 | 6 |
| 2019 | 2 | 6 |
| 2020 | 4 | 4 |
| 2021 | 8 | 9 |
| 2022 | 4 | 5 |
| 2023 | 6 | 3 |
| 2024 | 7 | 3 |
| 2025 | 8 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water-based binder solutions for use in additive manufacturing processes7 Apr 2026US 12,595,392 B2General Electric Company
- Comfortable ophthalmic device and methods of its production4 Nov 2025US 12,461,280 B2Johnson & Johnson Vision Care, Inc.
- Water-based binder solutions for use in additive manufacturing processes26 Aug 2025US 12,398,261 B2General Electric Company
- Fast-eluting three-dimensionally molded object, filament for fast-eluting three-dimensionally molded object, and material for fast-eluting three-dimensionally molded object5 Aug 2025US 12,377,601 B2
- High performance water soluble polymer compositions29 Jul 2025US 12,371,581 B2
- Thermoplastic film and packaging made of such thermoplastic film useful to sterilize objects19 Jun 2025US 2025/0196419 A1
- Compositions with little or no solvent comprising carbon nanotubes and at least one polymer5 Jun 2025US 2025/0179254 A1Arkema France
- Water-based binder solutions for use in additive manufacturing processes17 Apr 2025US 2025/0122401 A1General Electric Company
- Precision pharmaceutical 3d printing device13 Feb 2025US 2025/0049723 A1Triastek, Inc.
- Comfortable ophthalmic device and methods of its production2 May 2024US 2024/0142666 A1Johnson & Johnson Vision Care, Inc.
Most cited
By later US patents
- Hollow fiber membranes and method of manufacture123US 5,762,798 AMinntech Corporation · 1998
- Method for applying a lubricious coating to an article77US 5,061,424 ABecton, Dickinson and Company · 1991
- Wettable silicone hydrogel contact lenses and related compositions and methods67US 8,231,218 B2CooperVision International Holding Company, LP · 2012
- Comfortable ophthalmic device and methods of its production46US 7,841,716 B2Johnson & Johnson Vision Care, Inc. · 2010
- Hollow fiber membranes and method of manufacture37US 5,683,584 AMinntech Corporation · 1997