C08K 5/151
Having one oxygen atom in the ring
Official title: having one oxygen atom in the ring
C08K5/151 (Having one oxygen atom in the ring) appears on 1,588 US grants and 1,875 published applications in this corpus.
Search patents in C08K- Granted patents
- 1,588
- Published applications
- 1,875
- Assignees
- 956
- Inventors
- 4,847
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 10 | 0 |
| 1978 | 20 | 0 |
| 1979 | 7 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 10 | 0 |
| 1983 | 10 | 0 |
| 1984 | 16 | 0 |
| 1985 | 17 | 0 |
| 1986 | 7 | 0 |
| 1987 | 15 | 0 |
| 1988 | 16 | 0 |
| 1989 | 20 | 0 |
| 1990 | 13 | 0 |
| 1991 | 22 | 0 |
| 1992 | 9 | 0 |
| 1993 | 24 | 0 |
| 1994 | 25 | 0 |
| 1995 | 24 | 0 |
| 1996 | 21 | 0 |
| 1997 | 25 | 0 |
| 1998 | 23 | 0 |
| 1999 | 29 | 0 |
| 2000 | 18 | 0 |
| 2001 | 19 | 8 |
| 2002 | 31 | 13 |
| 2003 | 17 | 21 |
| 2004 | 16 | 24 |
| 2005 | 12 | 32 |
| 2006 | 17 | 38 |
| 2007 | 14 | 32 |
| 2008 | 13 | 50 |
| 2009 | 14 | 41 |
| 2010 | 19 | 69 |
| 2011 | 30 | 54 |
| 2012 | 33 | 80 |
| 2013 | 51 | 94 |
| 2014 | 68 | 121 |
| 2015 | 65 | 121 |
| 2016 | 85 | 111 |
| 2017 | 70 | 82 |
| 2018 | 74 | 94 |
| 2019 | 52 | 122 |
| 2020 | 97 | 129 |
| 2021 | 80 | 111 |
| 2022 | 75 | 105 |
| 2023 | 79 | 97 |
| 2024 | 57 | 98 |
| 2025 | 60 | 75 |
| 2026 | 35 | 53 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dispersions29 Sep 2026US 12,747,394 B2Lankem Ltd.
- Water soluble polymer blend compositions15 Sep 2026US 12,735,546 B2Interfacial Consultants LLC
- Liquid compositions, uses and method of making the same25 Aug 2026US 12,714,981 B1Stewart Superabsorbents, LLC
- Antiglare film laminate, polarizing plate, and display device25 Aug 2026US 12,715,989 B2Xinmei Fontana Holding (Hong Kong) Limited
- Matting polymer composition having excellent weather resistance and impact resistance, and matte sheet including the same11 Aug 2026US 12,703,766 B2Hannanotech Co., Ltd.
- Acetoacetylated Alcohols8 Oct 2026US 2026/0308135 A1Arxada AG
- Method for preparing biodegradable resin composition using composite compatibilizer and biomass-based biodegradable resin composition prepared thereby8 Oct 2026US 2026/0308342 A1Daesang Corporation
- Starch-based biodegradable composition and method of manufacturing the same8 Oct 2026US 2026/0308363 A1Daesang Corporation
- Thermoplastic starch formulations with additives for performance enhancements8 Oct 2026US 2026/0308364 A1Biologiq, Inc.
- Thermoplastic composition, method for the manufacture thereof, and articles made therefrom8 Oct 2026US 2026/0308376 A1Shpp Global Technologies B.V.
Most cited
By later US patents
- Photochromic indeno-fused naphthopyrans245US 5,645,767 ATransitions Optical, Inc. · 1997
- Methods for polymeric coatings stents225US 6,673,385 B1Advanced Cardiovascular Systems, Inc. · 2004
- Photochromic naphthopyran compounds213US 5,274,132 ATransitions Optical, Inc. · 1993
- Polymerizable polyalkoxylated naphthopyrans186US 6,113,814 ATransitions Optical, Inc. · 2000
- Photochromic naphthopyran compounds182US 5,384,077 ATransitions Optical, Inc. · 1995