B29K 2023/38
Polymers of cycloalkenes
Official title: {Polymers of cycloalkenes, e.g. norbornene or cyclopentene}
B29K2023/38 (Polymers of cycloalkenes) appears on 106 US grants and 163 published applications in this corpus.
Search patents in B29K- Granted patents
- 106
- Published applications
- 163
- Assignees
- 100
- Inventors
- 367
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 6 |
| 2004 | 2 | 2 |
| 2005 | 4 | 3 |
| 2006 | 1 | 4 |
| 2007 | 1 | 4 |
| 2008 | 2 | 4 |
| 2009 | 0 | 17 |
| 2010 | 3 | 4 |
| 2011 | 3 | 6 |
| 2012 | 3 | 2 |
| 2013 | 3 | 2 |
| 2014 | 2 | 5 |
| 2015 | 4 | 21 |
| 2016 | 7 | 11 |
| 2017 | 4 | 9 |
| 2018 | 8 | 7 |
| 2019 | 9 | 15 |
| 2020 | 7 | 2 |
| 2021 | 9 | 9 |
| 2022 | 1 | 3 |
| 2023 | 9 | 6 |
| 2024 | 2 | 6 |
| 2025 | 10 | 6 |
| 2026 | 1 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for facilitating demolding upon pattern transfer6 Jan 2026US 12,515,394 B2Obducat AB
- Polymer vials with substantially flat bottoms and injection stretch blow molding methods for making the same25 Nov 2025US 12,478,553 B2Sio2 Medical Products, Inc.
- Dual cure cyanate ester inkjet composition9 Sep 2025US 12,410,320 B2Altana New Technologies GmbH
- Lens design and methods of manufacture thereof9 Sep 2025US 12,411,302 B2ZF Friedrichshafen AG
- Method for producing polymerization-reactive liquid formulation19 Aug 2025US 12,391,793 B2Rimtec Corporation
- Volumetric additive manufacturing using cycloolefin resins24 Sep 2026US 2026/0284965 A1The Regents of the University of California
- Low-scalping film for, packaged formulations17 Sep 2026US 2026/0273826 A1Kenvue Brands LLC
- Method of producing recycled alicyclic structure-containing polymer6 Aug 2026US 2026/0226247 A1Zeon Corporation
- 3d printable polypropylene homopolymer composition, 3d printed products comprising the same, and methods thereof23 Apr 2026US 2026/0109874 A1Hindustan Petroleum Corporation Limited
- Polymer vials with substantially flat bottoms and injection stretch blow molding methods for making the same19 Mar 2026US 2026/0076872 A1Sio2 Medical Products, Inc.
Most cited
By later US patents
- Process for the manufacture of fibre-reinforced composites38US 5,840,238 ACiba Specialty Chemicals Corporation · 1998
- Dulled stretched molding and process for producing the same28US 5,079,273 AChisso Corporation · 1992
- Composite molded articles26US 5,160,772 ANippon Zeon Co., Ltd. · 1992
- Method and device for the manufacture of a sealing gasket on the rim of a sheet of glass24US 5,069,852 ASocieta Italiana Vetro - SIV - S.p.A. · 1991
- Sailboards and surfboards as well as manufacturing process thereof21US 4,713,032 ATAA Technique and Administration AG · 1987