D10B 2321/121
Polystyrene
Official title: polystyrene
D10B2321/121 (Polystyrene) appears on 38 US grants and 70 published applications in this corpus.
Search patents in D10B- Granted patents
- 38
- Published applications
- 70
- Assignees
- 61
- Inventors
- 188
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 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 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 2 |
| 2004 | 2 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 3 | 3 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 4 |
| 2011 | 3 | 2 |
| 2012 | 0 | 3 |
| 2013 | 2 | 0 |
| 2014 | 1 | 1 |
| 2015 | 4 | 4 |
| 2016 | 1 | 2 |
| 2017 | 1 | 5 |
| 2018 | 6 | 4 |
| 2019 | 0 | 3 |
| 2020 | 2 | 4 |
| 2021 | 3 | 1 |
| 2022 | 0 | 3 |
| 2023 | 0 | 4 |
| 2024 | 1 | 7 |
| 2025 | 3 | 4 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Protective masks made with polymer-based materials14 Oct 2025US 12,442,108 B2Nanoshields Technology Limited
- Electro-spun sulfur wire for fabricating mattes of lithium sulfur batteries23 Sep 2025US 12,424,617 B2University of Pittsburgh—Of the Commonwealth System of Higher Education
- Fiber assembly and method for producing fiber assembly4 Feb 2025US 12,215,448 B2Panasonic Intellectual Property Management Co., Ltd.
- Wet spun fibers, wet formed film, and production method therefor12 Nov 2024US 12,139,819 B2National University Corporation Okayama University
- Method and system for making microcoils and product thereof14 Dec 2021US 11,198,958 B2Centre National De La Recherche Scietifique (Cnrs)
- Method, Apparatus and Composition for Fibre Deposition8 Oct 2026US 2026/0308810 A1Cambridge Enterprise Limited
- Containment of liquid hydrocarbons14 May 2026US 2026/0132556 A1Albarrie Canada Limited
- Skin-adhesive air-permeable intelligent bandage5 Feb 2026US 2026/0033993 A1City University of Hong Kong
- Novel electro-spun sulfur wire for fabricating mattes of lithium-sulfur batteries5 Feb 2026US 2026/0038808 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
- Method of Spinning Conductive Poly(3,4-Ethylenedioxythiophene): Polystyrene Sulfonate Fibers15 Jan 2026US 2026/0015771 A1University of Kentucky Research Foundation
Most cited
By later US patents
- Multi-core composite filaments and process for producing same61US 4,127,696 AToray Industries, Inc. · 1978
- Facing material with controlled porosity for construction boards48US 7,049,251 B2Saint-Gobain Technical Fabrics Canada, Ltd. · 2006
- Facing material with controlled porosity for construction boards38US 7,300,892 B2Saint-Gobain Technical Fabrics Canada, Ltd. · 2007
- Facing material with controlled porosity for construction boards26US 7,300,515 B2Saint-Gobain Technical Fabrics Canada, Ltd. · 2007
- Air bag18US 5,713,598 ATakata Corporation · 1998