C07C 15/46
Styrene
Official title: Styrene; Ring-alkylated styrenes
C07C15/46 (Styrene) appears on 99 US grants and 68 published applications in this corpus.
Search patents in C07C- Granted patents
- 99
- Published applications
- 68
- Assignees
- 51
- Inventors
- 234
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 4 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 7 |
| 2010 | 2 | 2 |
| 2011 | 3 | 2 |
| 2012 | 2 | 4 |
| 2013 | 1 | 1 |
| 2014 | 5 | 3 |
| 2015 | 2 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 10 |
| 2019 | 3 | 2 |
| 2020 | 6 | 3 |
| 2021 | 3 | 6 |
| 2022 | 3 | 3 |
| 2023 | 4 | 5 |
| 2024 | 5 | 2 |
| 2025 | 2 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing alpha-methylstyrene22 Sep 2026US 12,741,917 B2LG Chem.Ltd.
- Heterocylic compound and light-emitting device and electronic apparatus including the heterocyclic compound10 Mar 2026US 12,570,630 B2Samsung Display Co., Ltd.
- Antifoulant compositions for high-severity processing of vinylic monomer streams1 Jul 2025US 12,344,581 B2Ecolab USA Inc.
- Catalyst supports—composition and process of manufacture18 Mar 2025US 12,251,686 B2
- Process and apparatus for preparing purified styrene composition from styrene containing feedstock3 Sep 2024US 12,077,497 B2Sulzer Management AG
- Method for manufacture of stylene monomer23 Jul 2026US 2026/0209143 A1Ps Japan Corporation
- Methods for forming light olefins with catalyst recycle9 Jul 2026US 2026/0193157 A1Dow Global Technologies LLC
- Antifoulant compositions for high-severity processing of vinylic monomer streams11 Sep 2025US 2025/0282698 A1Ecolab USA Inc.
- Method for manufacturing alpha-methylstyrene19 Dec 2024US 2024/0417349 A1LG Chem.Ltd.
- Process and apparatus for preparing purified styrene composition from styrene containing feedstock25 Apr 2024US 2024/0132426 A1Sulzer Management AG
Most cited
By later US patents
- Process for toluene and methane coupling in a microreactor60US 8,071,836 B2Fina Technology, Inc. · 2011
- Dehydrogenation of dehydrogenatable hydrocarbons48US 4,435,607 AUop LLC · 1984
- Production of stilbene and styrene33US 3,965,206 AMonsanto Company · 1976
- Combination process for manufacturing ethylene, benzene and alkylated benzene28US 6,177,600 B12001
- Method and catalyst for preparing styrene25US 4,192,961 A1980