B32B 2264/0257
Polyolefin particles
Official title: Polyolefin particles, e.g. polyethylene or polypropylene homopolymers or ethylene-propylene copolymers
B32B2264/0257 (Polyolefin particles) appears on 211 US grants and 342 published applications in this corpus.
Search patents in B32B- Granted patents
- 211
- Published applications
- 342
- Assignees
- 198
- Inventors
- 790
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 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 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 1 |
| 2006 | 0 | 8 |
| 2007 | 1 | 5 |
| 2008 | 1 | 4 |
| 2009 | 2 | 6 |
| 2010 | 4 | 18 |
| 2011 | 2 | 15 |
| 2012 | 7 | 6 |
| 2013 | 5 | 8 |
| 2014 | 6 | 15 |
| 2015 | 8 | 24 |
| 2016 | 7 | 21 |
| 2017 | 12 | 24 |
| 2018 | 11 | 30 |
| 2019 | 19 | 35 |
| 2020 | 17 | 21 |
| 2021 | 22 | 29 |
| 2022 | 21 | 26 |
| 2023 | 14 | 14 |
| 2024 | 22 | 11 |
| 2025 | 15 | 8 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Impact protective composite material19 May 2026US 12,629,914 B2Kaleidoscope Tech (Pty) Ltd
- Sound insulation with multilayer fibre insulation; and method of manufacturing the same31 Mar 2026US 12,589,705 B2Adler Pelzer Holding GmbH
- Film comprising polylactic acid polymer suitable for graphic articles24 Feb 2026US 12,559,624 B23M Innovative Properties Company
- Layered composite articles and methods of making same13 Jan 2026US 12,521,962 B2Columbia Insurance Company
- Resin-coated metal sheet for container2 Dec 2025US 12,486,089 B2Jfe Steel Corporation
- Flexible web-type composite material and bags made from same1 Oct 2026US 2026/0295987 A1Starlinger & Co Gesellschaft M.B.H.
- Microlayer membranes, improved battery separators, and related methods3 Sep 2026US 2026/0257410 A1Celgard, LLC
- Multilayer film with different adhesion zones for sealing a capsule for making beverages27 Aug 2026US 2026/0250053 A1
- Resin-coated metal sheet and production method therefor30 Jul 2026US 2026/0218388 A1Jfe Steel Corporation
- Film comprising polylactic acid polymer suitable for graphic articles4 Jun 2026US 2026/0152634 A13M Innovative Properties Company
Most cited
By later US patents
- Porous PTFE materials and articles produced therefrom267US 7,306,729 B2Gore Enterprise Holdings, Inc. · 2007
- Laminated structural member and method of making same71US 4,097,648 ACapital Wire and Cable, Division of U.S. Industries · 1978
- Adhesive tape40US 4,525,416 AHoechst Aktiengesellschaft · 1985
- Wiping products with controlled lint properties32US 7,803,249 B2Dow Global Technologies LLC · 2010
- Composite boards and panels27US 9,573,343 B2Ceraloc Innovation AB · 2017