C04B 16/0641
Polyvinylalcohols
Official title: {Polyvinylalcohols; Polyvinylacetates}
C04B16/0641 (Polyvinylalcohols) appears on 61 US grants and 80 published applications in this corpus.
Search patents in C04B- Granted patents
- 61
- Published applications
- 80
- Assignees
- 57
- Inventors
- 239
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 3 | 2 |
| 2015 | 2 | 7 |
| 2016 | 2 | 3 |
| 2017 | 0 | 7 |
| 2018 | 6 | 5 |
| 2019 | 7 | 10 |
| 2020 | 6 | 11 |
| 2021 | 3 | 4 |
| 2022 | 3 | 4 |
| 2023 | 10 | 5 |
| 2024 | 4 | 2 |
| 2025 | 2 | 6 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual-scale toughened cement-based composite material and use thereof6 Oct 2026US 12,753,118 B2Qingdao University of Technology
- Layered formed sheet and method for manufacturing the same17 Mar 2026US 12,577,155 B2Kuraray Co., Ltd.
- Methods of making sustainable ductile cast cementitious structure for carbon dioxide sequestration17 Feb 2026US 12,552,710 B2The Regents of the University of Michigan
- Bundled yarn, hydraulic composition and molded body13 Jan 2026US 12,522,956 B2Kuraray Co., Ltd.
- Efficient sound-absorbing lightweight aggregate cellular concrete, method for preparing the same, and application thereof12 Aug 2025US 12,384,721 B1Shandong University
- Hardened body of hydraulic composition8 Oct 2026US 2026/0308056 A1Kuraray Co., Ltd.
- High Tensile Strength Cementitious Matrix For Use In FRCM Systems17 Sep 2026US 2026/0274749 A1Universite Laval
- Hydrogel-cement composite material18 Jun 2026US 2026/0167569 A1Southeast University
- Multifunctional damage responsive polymeric fiber14 May 2026US 2026/0132081 A1Drexel University
- High-toughness magnesium-calcium binder mortar material from multi-component high-salinity solid waste and preparation method thereof2 Apr 2026US 2026/0092011 A1Changjiang River Scientific Research Institute
Most cited
By later US patents
- Extruded fiber reinforced cement matrix composites and method of making same45US 6,528,151 B1Northwestern University · 2003
- Method of making extruded fiber reinforced cement matrix composites43US 5,891,374 ANorthwestern University · 1999
- Synthetic fiber for use in reinforcing cement mortar or concrete and cement composition containing same34US 4,968,561 AKuraray Co., Ltd. · 1990
- Lightweight, fiber-reinforced cementitious panels26US 7,732,032 B2United States Gypsum Company · 2010
- Fiber-reinforced cement-like material22US 4,199,366 AInventa AG fur Forschung und Patentverwertung · 1980