C08F 4/027
Polymers
Official title: {Polymers}
C08F4/027 (Polymers) appears on 24 US grants and 18 published applications in this corpus.
Search patents in C08F- Granted patents
- 24
- Published applications
- 18
- Assignees
- 26
- Inventors
- 90
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 1 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 1 |
| 2024 | 0 | 3 |
| 2025 | 3 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for preparation of a catalyst with a polyolefin coat16 Jun 2026US 12,655,234 B2Reliance Industries Limited
- Encapsulated catalyst for one-part organopolysiloxane systems and methods related thereto2 Sep 2025US 12,404,352 B2NuSil Technology LLC
- Polyolefin catalyst component containing mesoporous material, preparation method therefor and use thereof8 Jul 2025US 12,351,671 B2Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- Catalyst system7 Jan 2025US 12,186,738 B2Dow Global Technologies LLC
- Solid polyaluminoxane composition, olefin polymerization catalyst, olefin polymer production method and solid polyaluminoxane composition production method22 Dec 2020US 10,870,715 B2Mitsui Chemicals, Inc.
- Catalyst for photocatalytic polymerization reaction, and application thereof12 Jun 2025US 2025/0188201 A1Beijing Institute of Fashion Technology
- Encapsulated catalyst for one-part organopolysiloxane systems and methods related thereto7 Nov 2024US 2024/0368314 A1NuSil Technology LLC
- Method for preparing supported olefin polymerization catalyst, resulting catalyst and application thereof23 May 2024US 2024/0166774 A1Zhejiang University
- Curable composition and use thereof18 Apr 2024US 2024/0124621 A1Henkel AG & Co. KGaA
- Encapsulated catalyst for one-part organopolysiloxane systems and methods related thereto26 Jan 2023US 2023/0025643 A1NuSil Technology LLC
Most cited
By later US patents
- Anionic polymerization initiators for preparing macro-branched diene rubbers66US 6,136,914 ABridgestone Corporation · 2000
- Catalyst support and catalyst for the polymerization of alpha-olefins; processes for obtaining them and polymerization of alpha-olefins in presence of the catalyst21US 5,556,893 ASolvay (Soci et e Anonyme) · 1996
- Soluble polymerization catalysts, production of the same and their use13US 4,290,918 AHeyl Chemisch-pharmazeutische Fabrik GmbH & Co. KG · 1981
- Catalyst support and catalyst for the polymerization of α-olefins11US 6,221,802 B1Solvay Polyolefins Europe-Belgium · 2001
- Lewis acid catalysts supported on porous polymer substrate8US 5,770,539 AExxon Chemical Patents Inc. · 1998