C09D 123/22
Copolymers of isobutene
Official title: Copolymers of isobutene; Butyl rubber {; Homo- or copolymers of other iso-olefines}
C09D123/22 (Copolymers of isobutene) appears on 71 US grants and 91 published applications in this corpus.
Search patents in C09D- Granted patents
- 71
- Published applications
- 91
- Assignees
- 65
- Inventors
- 235
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 6 |
| 2004 | 5 | 8 |
| 2005 | 2 | 4 |
| 2006 | 6 | 1 |
| 2007 | 1 | 1 |
| 2008 | 2 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 6 |
| 2015 | 8 | 12 |
| 2016 | 3 | 4 |
| 2017 | 7 | 5 |
| 2018 | 5 | 4 |
| 2019 | 4 | 4 |
| 2020 | 5 | 4 |
| 2021 | 4 | 2 |
| 2022 | 0 | 3 |
| 2023 | 1 | 4 |
| 2024 | 3 | 7 |
| 2025 | 1 | 5 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compositions containing thermally conductive fillers14 Jul 2026US 12,680,011 B2PPG Industries Ohio, Inc.
- Aqueous dispersion of polyisobutylene and polyolefin particles9 Jun 2026US 12,649,850 B2Dow Global Technologies LLC
- Encapsulation composition27 Jan 2026US 12,534,593 B2LG Chem.Ltd.
- Composition for encapsulation28 Oct 2025US 12,454,620 B2LG Chem.Ltd.
- Laminate, printed matter, aqueous dispersion liquid, and laminate manufacturing method12 Nov 2024US 12,139,588 B2Yupo Corporation
- Bond breaker composition3 Jul 2025US 2025/0215252 A1The Euclid Chemical Company
- Systems to reduce skinning of coating compositions19 Jun 2025US 2025/0197656 A1Swimc LLC
- Reflective Coating Device and Method of Use12 Jun 2025US 2025/0188285 A1
- Medium molecular polyisobutene with a certain distribution of double bond isomers5 Jun 2025US 2025/0179224 A1BASF SE
- Medium molecular polyisobutene with a high content of certain double bond isomers8 May 2025US 2025/0145742 A1BASF SE
Most cited
By later US patents
- Water repellent compositions79US 5,421,866 ADow Corning Corporation · 1995
- Barrier coating of an elastomer and a dispersed layered filler in a liquid carrier and coated articles64US 6,232,389 B1InMat Inc. · 2001
- Radiation curable isoolefin copolymers35US 5,459,174 A1995
- Pavement repair system utilizing solid phase autoregenerative cohesion35US 8,992,118 B22015
- Coatings with ionically and covalently crosslinked sulfonated polymers28US 5,256,181 AExxon Research & Engineering Co. · 1993