C08K 5/46
With oxygen or nitrogen in the ring
Official title: with oxygen or nitrogen in the ring
C08K5/46 (With oxygen or nitrogen in the ring) appears on 578 US grants and 614 published applications in this corpus.
Search patents in C08K- Granted patents
- 578
- Published applications
- 614
- Assignees
- 349
- Inventors
- 1,693
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 18 | 0 |
| 1978 | 9 | 0 |
| 1979 | 7 | 0 |
| 1980 | 1 | 0 |
| 1981 | 11 | 0 |
| 1982 | 6 | 0 |
| 1983 | 9 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 13 | 0 |
| 1994 | 10 | 0 |
| 1995 | 12 | 0 |
| 1996 | 6 | 0 |
| 1997 | 13 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 1 |
| 2002 | 8 | 10 |
| 2003 | 10 | 6 |
| 2004 | 8 | 7 |
| 2005 | 3 | 6 |
| 2006 | 5 | 5 |
| 2007 | 2 | 3 |
| 2008 | 2 | 6 |
| 2009 | 2 | 7 |
| 2010 | 3 | 16 |
| 2011 | 2 | 21 |
| 2012 | 10 | 21 |
| 2013 | 11 | 21 |
| 2014 | 19 | 20 |
| 2015 | 19 | 32 |
| 2016 | 18 | 35 |
| 2017 | 27 | 45 |
| 2018 | 23 | 41 |
| 2019 | 34 | 50 |
| 2020 | 29 | 42 |
| 2021 | 35 | 47 |
| 2022 | 32 | 26 |
| 2023 | 20 | 30 |
| 2024 | 20 | 45 |
| 2025 | 16 | 34 |
| 2026 | 17 | 37 |
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.
- Crosslinkable acrylic rubber composition1 Sep 2026US 12,723,120 B2Unimatec Co., Ltd.
- System and method for continuously manufacturing cured membranes21 Jul 2026US 12,686,157 B2Amrize Technology Switzerland LLC
- Additive for reducing polyurethane foam degradation14 Jul 2026US 12,679,943 B2Huntsman International LLC
- Composition for manufacture of hydrogel material, hydrogel material, method of manufacture of hydrogel material, method of manufacture of hydrogel structure, and method of using device including hydrogel material30 Jun 2026US 12,668,670 B1City University of Hong Kong
- 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
- Tire rubber composition, tread rubber, and tire24 Sep 2026US 2026/0286108 A1
Most cited
By later US patents
- Photochromic compositions of improved fatigue resistance146US 5,391,327 ATransitions Optical, Inc. · 1995
- 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
- Thermosetting organopolysiloxane compositions44US 4,260,726 AWacker Chemie AG · 1981