C09J 123/22
Copolymers of isobutene
Official title: Copolymers of isobutene; Butyl rubber {; Homo- or copolymers of other iso-olefines}
C09J123/22 (Copolymers of isobutene) appears on 236 US grants and 269 published applications in this corpus.
Search patents in C09J- Granted patents
- 236
- Published applications
- 269
- Assignees
- 140
- Inventors
- 557
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 3 |
| 2003 | 1 | 6 |
| 2004 | 5 | 5 |
| 2005 | 1 | 6 |
| 2006 | 2 | 4 |
| 2007 | 1 | 3 |
| 2008 | 1 | 2 |
| 2009 | 1 | 3 |
| 2010 | 1 | 4 |
| 2011 | 2 | 11 |
| 2012 | 1 | 14 |
| 2013 | 2 | 9 |
| 2014 | 12 | 12 |
| 2015 | 5 | 23 |
| 2016 | 8 | 13 |
| 2017 | 13 | 19 |
| 2018 | 11 | 24 |
| 2019 | 26 | 17 |
| 2020 | 17 | 29 |
| 2021 | 12 | 16 |
| 2022 | 13 | 14 |
| 2023 | 9 | 4 |
| 2024 | 5 | 13 |
| 2025 | 9 | 11 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Elastic anti-corrosion adhesive, elastic anti-corrosion adhesive tape and preparation method thereof28 Jul 2026US 12,692,422 B2Ancorro Co., Ltd.
- Encapsulation composition27 Jan 2026US 12,534,593 B2LG Chem.Ltd.
- Composition25 Nov 2025US 12,480,025 B2Denka Company Limited
- Elastomer composition30 Sep 2025US 12,427,225 B2Urgo Recherche Innovation Et Developpement
- Adhesive for tennis ball16 Sep 2025US 12,415,902 B2Sumitomo Rubber Industries, Ltd.
- Pneumatic tire sealing sheet17 Sep 2026US 2026/0273877 A1Nitto Denko Corporation
- Primerless self-adherable roofing accessories and related systems and methods23 Jul 2026US 2026/0209560 A1Bmic LLC
- A filler composition23 Jul 2026US 2026/0209588 A1
- Sealant composition for multi-pane insulation glass11 Jun 2026US 2026/0159731 A1Chemicals, Inc.
- Electroconductive pressure-sensitive adhesive tape4 Dec 2025US 2025/0368864 A1DIC Corporation
Most cited
By later US patents
- Two-phase, water-absorbent bioadhesive composition159US 6,803,420 B2A.V. Topchiev Institute of Petrochemical Synthsis, Russian Academy of Sciences · 2004
- Ostomy adhesive103US 4,192,785 AE. R. Squibb & Sons, Inc. · 1980
- EPDM laminate65US 4,601,935 AGenCorp Inc. · 1986
- Multi-layered blow-molded bottle61US 5,238,718 ANippon Petrochemicals Company, Limited · 1993
- Adhesive rubber compounds58US 5,300,569 ARicon Resins, Inc. · 1994