C09B 1/5035
Only amino and hydroxy groups
Official title: {only amino and hydroxy groups}
C09B1/5035 (Only amino and hydroxy groups) appears on 5 US grants and 4 published applications in this corpus.
Search patents in C09B- Granted patents
- 5
- Published applications
- 4
- Assignees
- 6
- Inventors
- 17
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- One-way circularly polarized light generated by propagation through Ch-GLC films doped with light-absorbing dyes4 Nov 2025US 12,461,297 B2University of Rochester
- Contact lens10 Dec 2024US 12,164,182 B2CooperVision International Limited
- Polycarbonate resin composition and optical molded product including the same28 Feb 2023US 11,591,475 B2LG Chem.Ltd.
- Preparation of 1-amino-4-hydroxyanthraquinone13 Jun 1995US 5,424,461 ABASF SE
- Disperse dyes which are convertible into a thermomigration fast form26 May 1992US 5,116,958 ACiba-Geigy Corporation
- One-Way Circularly Polarized Light Generated by Propagation through Ch-GLC Films Doped with Light-Absorbing Dyes25 Aug 2022US 2022/0268982 A1University of Rochester
- Contact lens10 Mar 2022US 2022/0075210 A1CooperVision International Limited
- Anthraquinonic derivatives and their use as colouring agents7 Oct 2021US 2021/0309860 A1Pili
- Polycarbonate resin composition and optical molded product including the same30 Jul 2020US 2020/0239691 A1LG Chem.Ltd.
Most cited
By later US patents