C08K 5/44
Sulfenamides
C08K5/44 (Sulfenamides) appears on 97 US grants and 106 published applications in this corpus.
Search patents in C08K- Granted patents
- 97
- Published applications
- 106
- Assignees
- 71
- Inventors
- 295
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 4 |
| 2013 | 2 | 4 |
| 2014 | 0 | 2 |
| 2015 | 5 | 3 |
| 2016 | 3 | 7 |
| 2017 | 4 | 4 |
| 2018 | 1 | 5 |
| 2019 | 3 | 8 |
| 2020 | 8 | 12 |
| 2021 | 3 | 7 |
| 2022 | 6 | 6 |
| 2023 | 2 | 8 |
| 2024 | 3 | 7 |
| 2025 | 5 | 4 |
| 2026 | 5 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aqueous adhesive for rubber1 Sep 2026US 12,723,182 B2Sumitomo Rubber Industries, Ltd.
- Rubber composition for an inner liner for pneumatic vehicle tyres12 May 2026US 12,624,197 B2Suncoal Industries GmbH
- NBR composition and buffer material using the same17 Mar 2026US 12,577,379 B2Nok Corporation
- Composition, optically anisotropic film, circularly polarizing plate, and display device17 Feb 2026US 12,552,906 B2FUJIFILM Corporation
- Sulphur-crosslinked rubber mixture and vehicle tire6 Jan 2026US 12,516,181 B2Continental Reifen Deutschland GmbH
- Tire Comprising a Sidewall with at Least One High-Contrast Sidewall Element8 Oct 2026US 2026/0307434 A1Compagnie Generale Des Etablissements Michelin
- Composition for Use in the Sulphur Based Vulcanization of Rubber8 Oct 2026US 2026/0308354 A1Rubber Nano Products (Proprietary) Limited
- High load capacity tire with ozone- and blooming-resistant sidewalls1 Oct 2026US 2026/0296103 A1Compagnie Generale Des Etablissements Michelin
- Tire Comprising a Sidewall with at Least One High-Contrast Sidewall Element1 Oct 2026US 2026/0296104 A1Compagnie Generale Des Etablissements Michelin
- High pressure hose outer surface rubber composition and high pressure hose17 Sep 2026US 2026/0275089 A1Sumitomo Riko Company Limited
Most cited
By later US patents
- Scorch retardants for rubber reinforced with siliceous pigment and mercapto-type coupling agent78US 4,002,594 APPG Industries, Inc. · 1977
- Thermosetting organopolysiloxane compositions44US 4,260,726 AWacker Chemie AG · 1981
- Rubber composition for flexible belts16US 3,931,090 AXerox Corporation · 1976
- Tire tread-use rubber composition16US 8,507,582 B2The Yokohama Rubber Co., Ltd. · 2013
- Vulcanizates of EPDM and diene rubber blends13US 4,008,190 AThe B. F. Goodrich Company · 1977