C08F 110/08
Butenes
C08F110/08 (Butenes) appears on 324 US grants and 305 published applications in this corpus.
Search patents in C08F- Granted patents
- 324
- Published applications
- 305
- Assignees
- 125
- Inventors
- 709
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 1 |
| 2002 | 8 | 5 |
| 2003 | 14 | 10 |
| 2004 | 5 | 19 |
| 2005 | 9 | 15 |
| 2006 | 13 | 18 |
| 2007 | 12 | 12 |
| 2008 | 9 | 29 |
| 2009 | 11 | 12 |
| 2010 | 18 | 13 |
| 2011 | 8 | 9 |
| 2012 | 5 | 7 |
| 2013 | 16 | 17 |
| 2014 | 7 | 17 |
| 2015 | 14 | 16 |
| 2016 | 13 | 14 |
| 2017 | 21 | 13 |
| 2018 | 12 | 12 |
| 2019 | 12 | 13 |
| 2020 | 14 | 17 |
| 2021 | 13 | 7 |
| 2022 | 12 | 7 |
| 2023 | 7 | 5 |
| 2024 | 2 | 4 |
| 2025 | 5 | 8 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polyisobutylene adhesive comprising polyolefin copolymer additive4 Aug 2026US 12,698,421 B23M Innovative Properties Company
- 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
- Organic borate-based catalyst, method for preparing isobutene oligomer using the same and isobutene oligomer prepared thereby11 Feb 2025US 12,221,458 B2LG Chem.Ltd.
- Method for separating polybutene21 Jan 2025US 12,202,924 B2LG Chem.Ltd.
- Process and apparatus for the preparation of highly reactive polyisobutylene27 Aug 2026US 2026/0250436 A1Hindustan Petroleum Corporation Limited
- 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
- Integrated processes for the production of isobutylene, polyisobutylene, and highly reactive polyisobutylene from ethylene and crude c4 streams9 Apr 2026US 2026/0098003 A1NTP Tec, LLC
- Processes and processing plants for the removal of catalysts used in the manufacture of polyisobutylene and highly reactive polyisobutylene9 Apr 2026US 2026/0098109 A1NTP Tec, LLC
- Processes and processing plants for the removal of catalysts used in the manufacture of polyisobutylene and highly reactive polyisobutylene9 Apr 2026US 2026/0098110 A1NTP Tec, LLC
Most cited
By later US patents
- Processes based on atom (or group) transfer radical polymerization and novel (co) polymers having useful structures and properties295US 5,807,937 ACarnegie Mellon University · 1998
- Uniform molecular weight polymers146US 5,169,914 AEdison Polymer Innovation Corporation · 1992
- Atom or group transfer radical polymerization96US 6,538,091 B1Carnegie Mellon University · 2003
- Dilute process for the polymerization of non-ethylene .alpha.-olefin homopolymers and copolymers using metallocene catalyst systems69US 5,859,159 AExxon Chemical Patents Inc. · 1999
- Reactive, low molecular weight, viscous poly(1-olefins) and copoly(1-olefins) and their method of manufacture68US 5,688,887 AAmoco Corporation · 1997