C08K 5/1545
Six-membered rings
C08K5/1545 (Six-membered rings) appears on 427 US grants and 538 published applications in this corpus.
Search patents in C08K- Granted patents
- 427
- Published applications
- 538
- Assignees
- 321
- Inventors
- 1,334
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 9 | 0 |
| 1994 | 6 | 0 |
| 1995 | 10 | 0 |
| 1996 | 9 | 0 |
| 1997 | 13 | 0 |
| 1998 | 7 | 0 |
| 1999 | 12 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 4 |
| 2002 | 8 | 2 |
| 2003 | 5 | 8 |
| 2004 | 4 | 7 |
| 2005 | 6 | 8 |
| 2006 | 1 | 9 |
| 2007 | 6 | 7 |
| 2008 | 3 | 11 |
| 2009 | 2 | 7 |
| 2010 | 6 | 14 |
| 2011 | 9 | 24 |
| 2012 | 12 | 20 |
| 2013 | 16 | 27 |
| 2014 | 19 | 28 |
| 2015 | 15 | 30 |
| 2016 | 17 | 18 |
| 2017 | 16 | 23 |
| 2018 | 21 | 24 |
| 2019 | 11 | 37 |
| 2020 | 18 | 34 |
| 2021 | 24 | 35 |
| 2022 | 26 | 36 |
| 2023 | 21 | 39 |
| 2024 | 16 | 34 |
| 2025 | 25 | 27 |
| 2026 | 19 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water soluble polymer blend compositions15 Sep 2026US 12,735,546 B2Interfacial Consultants LLC
- Polymerizable absorbers of UV and high energy visible light12 May 2026US 12,624,214 B2Johnson & Johnson Vision Care, Inc.
- Osidic dispersing agent5 May 2026US 12,617,968 B2Coatex
- Mineral fiber product28 Apr 2026US 12,612,782 B2Rockwool A/S
- Polymerizable absorbers of UV and high energy visible light7 Apr 2026US 12,595,370 B2Johnson & Johnson Vision Care, Inc.
- Thermoplastic starch formulations with additives for performance enhancements8 Oct 2026US 2026/0308364 A1Biologiq, Inc.
- Tunable biocomposite materials and related particulate, compositions, methods and systems17 Sep 2026US 2026/0275109 A1California Institute of Technology
- Resin composition20 Aug 2026US 2026/0242572 A1Plantic Technologies Ltd.
- Color conversion sheet and backlight unit comprising same20 Aug 2026US 2026/0244050 A1Toray Advanced Materials Korea Inc.
- Polymerizable absorbers of uv and high energy visible light6 Aug 2026US 2026/0226278 A1Johnson & Johnson Vision Care, Inc.
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