C08F 10/08
Butenes
C08F10/08 (Butenes) appears on 297 US grants and 240 published applications in this corpus.
Search patents in C08F- Granted patents
- 297
- Published applications
- 240
- Assignees
- 134
- Inventors
- 718
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 1 |
| 2002 | 5 | 6 |
| 2003 | 9 | 10 |
| 2004 | 5 | 13 |
| 2005 | 3 | 10 |
| 2006 | 12 | 11 |
| 2007 | 8 | 7 |
| 2008 | 6 | 19 |
| 2009 | 8 | 5 |
| 2010 | 8 | 6 |
| 2011 | 7 | 7 |
| 2012 | 4 | 10 |
| 2013 | 6 | 8 |
| 2014 | 5 | 9 |
| 2015 | 9 | 10 |
| 2016 | 14 | 12 |
| 2017 | 12 | 8 |
| 2018 | 8 | 11 |
| 2019 | 6 | 15 |
| 2020 | 14 | 15 |
| 2021 | 16 | 13 |
| 2022 | 15 | 9 |
| 2023 | 6 | 5 |
| 2024 | 5 | 5 |
| 2025 | 5 | 9 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for preparing high-reactivity isobutene homo- or copolymers1 Sep 2026US 12,723,113 B2BASF SE
- Heterophasic polyolefin composition15 Jul 2025US 12,359,048 B2Borealis AG
- Catalyst composition and method for preparing polyisobutene using the same10 Jun 2025US 12,325,763 B2LG Chem.Ltd.
- Processes for converting C4 feeds to isobutylene, polyisobutylene, or derivatives thereof1 Apr 2025US 12,264,208 B2NTP Tec, LLC
- Stabilisers for use in inverse emulsion polymerisation processes25 Feb 2025US 12,234,303 B2Solenis Technologies, L.P.
- Process for the preparation of polyisobutene from olefins from isobutanol obtained from mixed guerbet reaction of ethanol and methanol8 Oct 2026US 2026/0308287 A1BASF SE
- Symmetrical zirconium metallocenes having isobutyl cyclopentadienyl ligands27 Aug 2026US 2026/0250309 A1Dow Global Technologies LLC
- Polyolefin compositions for injection molding27 Aug 2026US 2026/0250438 A1Dow Global Technologies LLC
- Biaxially oriented polypropylene-based multilayer film23 Apr 2026US 2026/0109139 A1Borealis AG
- Integrated processes for the production of isobutylene, polyisobutylene, and highly reactive polyisobutylene from ethylene and crude c4 streams9 Apr 2026US 2026/0098002 A1NTP Tec, LLC
Most cited
By later US patents
- Polyisobutenes289US 4,152,499 ABASF SE · 1979
- Uniform molecular weight polymers146US 5,169,914 AEdison Polymer Innovation Corporation · 1992
- Novel telechelic polymers, block copolymers and processes for the preparation thereof105US 4,276,394 AThe University of Akron · 1981
- Curable isobutylene polymer105US 4,904,732 AKanegafuchi Kagaku Kogyo Kabushiki Kaisha · 1990
- Preparation of highly reactive polyisobutenes93US 5,286,823 ABASF SE · 1994