C08K 5/45
Heterocyclic compounds having sulfur in the ring
C08K5/45 (Heterocyclic compounds having sulfur in the ring) appears on 802 US grants and 857 published applications in this corpus.
Search patents in C08K- Granted patents
- 802
- Published applications
- 857
- Assignees
- 459
- Inventors
- 2,348
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 25 | 0 |
| 1978 | 18 | 0 |
| 1979 | 8 | 0 |
| 1980 | 4 | 0 |
| 1981 | 11 | 0 |
| 1982 | 8 | 0 |
| 1983 | 11 | 0 |
| 1984 | 8 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 11 | 0 |
| 1992 | 10 | 0 |
| 1993 | 15 | 0 |
| 1994 | 15 | 0 |
| 1995 | 15 | 0 |
| 1996 | 12 | 0 |
| 1997 | 14 | 0 |
| 1998 | 13 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 1 |
| 2002 | 12 | 12 |
| 2003 | 11 | 12 |
| 2004 | 11 | 9 |
| 2005 | 6 | 11 |
| 2006 | 8 | 8 |
| 2007 | 4 | 7 |
| 2008 | 4 | 7 |
| 2009 | 3 | 10 |
| 2010 | 6 | 23 |
| 2011 | 7 | 26 |
| 2012 | 12 | 26 |
| 2013 | 14 | 24 |
| 2014 | 20 | 28 |
| 2015 | 25 | 43 |
| 2016 | 25 | 45 |
| 2017 | 35 | 57 |
| 2018 | 28 | 47 |
| 2019 | 40 | 70 |
| 2020 | 38 | 64 |
| 2021 | 46 | 70 |
| 2022 | 42 | 42 |
| 2023 | 33 | 53 |
| 2024 | 37 | 59 |
| 2025 | 27 | 54 |
| 2026 | 28 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rubber composition and crosslinked rubber molded product6 Oct 2026US 12,753,296 B2Sumitomo Rubber Industries, Ltd.
- Polymerizable composition for optical material, optical material, and use thereof29 Sep 2026US 12,747,336 B2Mitsui Chemicals, Inc.
- Dual catalyst system for mass vinyl addition and cationic polymerizable compositions22 Sep 2026US 12,742,041 B2Promerus, LLC
- Optical film and polarizing plate15 Sep 2026US 12,735,565 B2Tosoh Corporation
- Crosslinkable acrylic rubber composition1 Sep 2026US 12,723,120 B2Unimatec Co., Ltd.
- 3d printing composition for biomaterials8 Oct 2026US 2026/0308309 A1Tissium
- Composition for Use in the Sulphur Based Vulcanization of Rubber8 Oct 2026US 2026/0308354 A1Rubber Nano Products (Proprietary) Limited
- Treatment agent for acrylic fibers and use of the same8 Oct 2026US 2026/0308815 A1Matsumoto Yushi-Seiyaku Co., Ltd.
- Method for deactivating 1,2-benzisothiazolin-3-one in a latex1 Oct 2026US 2026/0297367 A1Rohm and Haas Company
- Rubber compositions and articles thereof24 Sep 2026US 2026/0286106 A1The Goodyear Tire & Rubber Company
Most cited
By later US patents
- Photochromic compositions of improved fatigue resistance146US 5,391,327 ATransitions Optical, Inc. · 1995
- Thiophene base colorants useful for coloring thermoset resins60US 4,912,203 AMilliken Research Corporation · 1990
- Film or sheet material having antibacterial and antifungal activities58US 4,008,351 ASumitomo Bakelite Co., Ltd. · 1977
- Rubber composition having excellent gripping power and rolling resistance, and production thereof48US 5,362,794 ASumitomo Chemical Company, Limited · 1994
- Mineral-filled roofing membrane compositions and uses therefor45US 5,854,327 ABridgestone/Firestone, Inc. · 1998