C04B 35/63416
Polyvinylalcohols [pva]
Official title: {Polyvinylalcohols [PVA]; Polyvinylacetates}
C04B35/63416 (Polyvinylalcohols [pva]) appears on 460 US grants and 575 published applications in this corpus.
Search patents in C04B- Granted patents
- 460
- Published applications
- 575
- Assignees
- 390
- Inventors
- 1,643
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 8 | 0 |
| 1991 | 12 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 9 |
| 2003 | 5 | 8 |
| 2004 | 9 | 14 |
| 2005 | 6 | 12 |
| 2006 | 4 | 11 |
| 2007 | 6 | 11 |
| 2008 | 6 | 18 |
| 2009 | 7 | 20 |
| 2010 | 6 | 16 |
| 2011 | 7 | 16 |
| 2012 | 11 | 29 |
| 2013 | 15 | 21 |
| 2014 | 9 | 15 |
| 2015 | 20 | 15 |
| 2016 | 13 | 18 |
| 2017 | 14 | 29 |
| 2018 | 19 | 37 |
| 2019 | 19 | 38 |
| 2020 | 33 | 39 |
| 2021 | 22 | 36 |
| 2022 | 24 | 35 |
| 2023 | 22 | 41 |
| 2024 | 30 | 38 |
| 2025 | 27 | 33 |
| 2026 | 11 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- M-type hexaferrite comprising a low dielectric loss ceramic29 Sep 2026US 12,749,604 B2Rogers Corporation
- Ceramic material of ceramic electrode for tumor treating fields and preparation method thereof15 Sep 2026US 12,735,361 B2Hebei Puni Medical Technology Co., Ltd
- Composition for additive manufacturing by binder jet printing and method for additive manufacturing by binder jet printing16 Jun 2026US 12,655,063 B2Porcelanas Da Costa Verde S.A.
- Shape forming OPF preform9 Jun 2026US 12,649,697 B2Goodrich Corporation
- Manganese-zinc ferrite with high magnetic permeability at negative temperature and low loss at high temperature and method for preparing same17 Mar 2026US 12,577,166 B2Hengdian Group Dmegc Magnetics Co., Ltd
- Method for preparing porous ceramic with uniform micro-nano pores8 Oct 2026US 2026/0308066 A1Central South University
- Cmc having roughened surfaces for improved heat transfer24 Sep 2026US 2026/0285769 A1Rtx Corporation
- Method for Producing High Strength Ceramic Particles, and Method for Producing Micro-Porous Spherical Particles for Aerosol Generator using Benard Cell Phenomenon13 Aug 2026US 2026/0234062 A1EM-TECH Co., Ltd.
- Fabrication of ceramic matrix composites13 Aug 2026US 2026/0234069 A1Rtx Corporation
- Machined ceramic matrix composite airfoil preform and method13 Aug 2026US 2026/0235035 A1Rtx Corporation
Most cited
By later US patents
- Halogen gas plasma-resistive members and method for producing the same, laminates, and corrosion-resistant members455US 6,783,875 B2NGK Insulators, Ltd. · 2004
- Ceramic/organic web298US 4,366,202 AKimberly-Clark Corporation · 1982
- Ceramic structural body188US 5,914,187 AIbiden Co., Ltd. · 1999
- Ceramic process and products168US 4,693,986 AOrthoMatrix, Inc. · 1987
- Process for producing shrinkage-matched ceramic composites85US 6,576,182 B1Institut fuer Neue Materialien gemeinnuetzige GmbH · 2003