C08K 5/1565
Five-membered rings
C08K5/1565 (Five-membered rings) appears on 86 US grants and 81 published applications in this corpus.
Search patents in C08K- Granted patents
- 86
- Published applications
- 81
- Assignees
- 80
- Inventors
- 295
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 1 | 0 |
| 2012 | 0 | 6 |
| 2013 | 0 | 5 |
| 2014 | 3 | 5 |
| 2015 | 7 | 7 |
| 2016 | 6 | 8 |
| 2017 | 6 | 4 |
| 2018 | 2 | 4 |
| 2019 | 7 | 5 |
| 2020 | 3 | 7 |
| 2021 | 6 | 7 |
| 2022 | 6 | 5 |
| 2023 | 1 | 1 |
| 2024 | 4 | 2 |
| 2025 | 2 | 5 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Photochromic compound, naphthol derivative, curable composition, optical article, lens, and eyeglasses7 Apr 2026US 12,595,408 B2Tokuyama Corporation
- Conductive polymer-containing dispersion liquid, solid electrolytic capacitor and method for producing same15 Apr 2025US 12,278,061 B1Resonac Corporation
- Super absorbent polymer composition and preparation method for the same4 Mar 2025US 12,239,958 B2LG Chem.Ltd.
- Method for preparing superabsorbent polymer3 Dec 2024US 12,157,108 B2LG Chem.Ltd.
- Two-part cyanoacrylate curable adhesive system1 Oct 2024US 12,103,997 B2Henkel AG & Co. KGaA
- Curable composition, stretchable coating layer using the same, stretchable secondary battery, fuel cell, and stretchable transistor using stretchable coating layer, wearable device including the same, and method for manufacturing curable composition6 Aug 2026US 2026/0226293 A1Korea Institute of Science and Technology
- Flame-retardant or non-flammable polymer gel electrolyte, lithium battery including the same, supramolecular polymer, and method of preparing the supramolecular polymer9 Apr 2026US 2026/0100414 A1The Industry & Academic Cooperation in Chungnam National University (IAC)
- Ionically conductive polymers for gel polymer electrolyte, and gel polymer electrolyte comprising such an ionically conductive polymer26 Mar 2026US 2026/0088349 A1Belenos Clean Power Holding AG
- Method for manufacturing crosslinked hyaluronic acid gel containing triamcinolone and crosslinked hyaluronic acid gel5 Mar 2026US 2026/0062541 A1Scivision Biotech Inc.
- Reusable electro-triggered debonding adhesive tape with high shear strength and preparation method thereof13 Nov 2025US 2025/0346787 A1Bye Polymer Material Co., Ltd
Most cited
By later US patents
- Spray polyurea elastomers containing organic carbonates to improve processing characteristics37US 5,442,034 AHuntsman Corporation · 1995
- Isocyanate modified cellulose products and method for their manufacture34US 5,140,086 AWeyerhaeuser Company · 1992
- Process for the preparation of compression molded materials32US 5,179,143 ABayer Aktiengesellschaft · 1993
- Method for the preparation of rigid non-cellular reaction injection molded thermoset polyisocyanurate compositions21US 4,709,002 AAtlantic Richfield Company · 1987
- Method for producing siloxanes containing glycerin substituents19US 10,544,267 B2Evonik Degussa GmbH · 2020