C08F 126/10
N-vinyl-pyrrolidone
Official title: N-Vinyl-pyrrolidone
C08F126/10 (N-vinyl-pyrrolidone) appears on 37 US grants and 50 published applications in this corpus.
Search patents in C08F- Granted patents
- 37
- Published applications
- 50
- Assignees
- 38
- Inventors
- 133
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 3 |
| 2013 | 2 | 4 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 4 |
| 2017 | 2 | 3 |
| 2018 | 3 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 5 |
| 2021 | 4 | 4 |
| 2022 | 1 | 5 |
| 2023 | 4 | 6 |
| 2024 | 2 | 3 |
| 2025 | 6 | 3 |
| 2026 | 2 | 1 |
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
- Ophthalmic devices17 Feb 2026US 12,552,883 B2Bausch + Lomb Ireland Limited
- Water-based binder solutions for use in additive manufacturing processes26 Aug 2025US 12,398,261 B2General Electric Company
- Cleaning liquid for excessive powder removal, method for producing three-dimensional molded object, and set of object molding liquid and cleaning liquid19 Aug 2025US 12,391,903 B2Ricoh Company, Ltd.
- Conductive composition and production method therefor, and water-soluble polymer and production method therefor5 Aug 2025US 12,378,422 B2Mitsubishi Chemical Corporation
- Ophthalmic devices14 May 2026US 2026/0132232 A1Bausch + Lomb Ireland Limited
- Preparation of n-vinylpyrrolidone polymers, containing less than 0.5 wt% of 2-pyrrolidone2 Oct 2025US 2025/0304728 A1BASF SE
- Conductive composition and production method therefor, and water-soluble polymer and production method therefor2 Oct 2025US 2025/0304801 A1Mitsubishi Chemical Corporation
- Water-based binder solutions for use in additive manufacturing processes17 Apr 2025US 2025/0122401 A1General Electric Company
- Multifunctional nitroxide-mediated polymerization initiators and multi-armed polymers and hydrogels formed therefrom11 Apr 2024US 2024/0117121 A1Boston Scientific Scimed, Inc.
Most cited
By later US patents
- Manufacture of polyvinylpyrrolidone-iodine14US 4,027,083 ABASF SE · 1977
- Manufacture of aqueous polyvinylpyrrolidone-iodine solutions14US 4,320,114 ABASF SE · 1982
- Process for making polyvinylpyrrolidone polymer having predetermined characteristics12US 5,362,815 AISP Investments Inc. · 1994
- Raft agents and their use in the development of polyvinylpyrrolidone grafted nanoparticles9US 9,732,169 B2University of South Carolina · 2017
- Preparation of low molecular mass homopolymers of N-vinylpyrrolidone7US 6,187,884 B1BASF SE · 2001