C09B 3/20
By halogenation
Official title: by halogenation
C09B3/20 (By halogenation) appears on 11 US grants and 13 published applications in this corpus.
Search patents in C09B- Granted patents
- 11
- Published applications
- 13
- Assignees
- 4
- Inventors
- 15
- Latest grant
- 25 Aug 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 7 |
| 2014 | 2 | 1 |
| 2015 | 4 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
By publication year.
Recent patents
- Optical element for correcting color blindness25 Aug 2020US 10,752,833 B2Nitto Denko Corporation
- Optical element for correcting color blindness26 Feb 2019US 10,214,685 B2Nitto Denko Corporation
- Optical element for correcting color blindness6 Nov 2018US 10,119,070 B2Nitto Denko Corporation
- Optical element for correcting color blindness21 Feb 2017US 9,574,067 B2Nitto Denko Corporation
- Conveniently prepared naphthalene and perylene derivatives as building blocks for organic electronic materials and dyestuff5 Jul 2016US 9,382,264 B2BASF SE
- Optical element for correcting color blindness27 Jun 2019US 2019/0194535 A1Nitto Denko Corporation
- Optical element for correcting color blindness30 Mar 2017US 2017/0088771 A1Nitto Denko Corporation
- Conveniently prepared naphthalene and perylene derivatives as building blocks for organic electronic materials and dyestuff13 Aug 2015US 2015/0225418 A1BASF SE
- Optical Element for Correcting Color Blindness9 Apr 2015US 2015/0098056 A1Nitto Denko Corporation
- Optical Element for Correcting Color Blindness13 Nov 2014US 2014/0336303 A1Nitto Denko Corporation
Most cited
By later US patents
- Optical element for correcting color blindness11US 8,845,095 B2Nitto Denko Corporation · 2014
- Optical element for correcting color blindness9US 8,820,923 B2Nitto Denko Corporation · 2014
- Optical element for correcting color blindness5US 8,963,104 B2Nitto Denko Corporation · 2015
- Optical element for correcting color blindness5US 9,574,067 B2Nitto Denko Corporation · 2017
- Optical element for correcting color blindness4US 8,939,576 B2Nitto Denko Corporation · 2015