C09B 1/32
Substituted by aryl groups
Official title: substituted by aryl groups (anthrimides C09B1/48)
C09B1/32 (Substituted by aryl groups) appears on 132 US grants and 51 published applications in this corpus.
Search patents in C09B- Granted patents
- 132
- Published applications
- 51
- Assignees
- 65
- Inventors
- 293
- Latest grant
- 10 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 3 | 0 |
| 1978 | 18 | 0 |
| 1979 | 9 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 1 |
| 2003 | 3 | 2 |
| 2004 | 2 | 5 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 2007 | 2 | 3 |
| 2008 | 3 | 1 |
| 2009 | 1 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 5 |
| 2012 | 3 | 1 |
| 2013 | 2 | 0 |
| 2014 | 3 | 6 |
| 2015 | 1 | 3 |
| 2016 | 1 | 1 |
| 2017 | 1 | 3 |
| 2018 | 1 | 1 |
| 2019 | 3 | 4 |
| 2020 | 1 | 2 |
| 2021 | 2 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Contact lens10 Dec 2024US 12,164,182 B2CooperVision International Limited
- LED lighting elements comprising molded parts made of translucent polycarbonate compositions having a deep gloss effect7 Mar 2023US 11,598,495 B2Covestro Deutschland AG
- Polysulfonated fluorescence dyes23 Nov 2021US 11,180,657 B2ATTO-TEC GmbH
- Process for printing cellulose containing textile fibre material18 May 2021US 11,008,700 B2Huntsman International LLC
- Anthracene-based organic dyes and preparation methods thereof18 Feb 2020US 10,563,064 B2Changchun Institute of Applied Chemistry Chinese Academy of Sciences
- Disperse dyes for dyeing polyester fibres8 Oct 2026US 2026/0308841 A1University of Leeds
- Multimeric dye materials and devices using them5 Dec 2024US 2024/0400834 A1
- Aromatic hydrocarbon-soluble anthraquinone10 Aug 2023US 2023/0250292 A1Dow Global Technologies LLC
- Contact lens10 Mar 2022US 2022/0075210 A1CooperVision International Limited
- Anthraquinonic derivatives and their use as colouring agents7 Oct 2021US 2021/0309860 A1Pili
Most cited
By later US patents
- Ester capped alkyleneoxy fugitive tints and method for producing same43US 4,167,510 AMilliken Research Corporation · 1979
- Liquid crystals having pleochroic dyes41US 4,363,743 ASiemens Aktiengesellschaft · 1982
- Color filter grade photosensitive resin coloring composition and color filter using the same35US 5,968,688 ANippon Shokubai Co., Ltd. · 1999
- Color filter and liquid crystal display device having the same35US 6,509,125 B1Toppan Printing Co., Ltd. · 2003
- Process for trichromatic dyeing or printing25US 4,402,704 ACiba-Geigy Corporation · 1983