The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 28, 2021
Filed:
May. 15, 2020
National University of Singapore, Singapore, SG;
Agency for Science, Technology and Research, Singapore, SG;
National University Hospital (Singapore) Pte Ltd, Singapore, SG;
Giorgia Pastorin, Singapore, SG;
Paul Bigliardi, Minneapolis, MN (US);
Suresh Valiyaveettil, Singapore, SG;
Gopalakrishnan Venkatesan, Singapore, SG;
Arup Sinha, Singapore, SG;
Yuri Herbert Dancik, Singapore, SG;
Mei Bigliardi-Qi, Minneapolis, MN (US);
National University of Singapore, Singapore, SG;
Agency for Science, Technology and Research, Singapore, SG;
National University Hospital (Singapore) Pte Ltd, Singapore, SG;
Abstract
The is provided a compound of formula I or II or physiologically acceptable salts or solvates, or oxidised derivatives thereof: where Rto R, Rand Rare as defined herein. Also disclosed herein are methods of dyeing hair or (temporarily) tattooing the skin using the compounds of formula I or II (or physiologically acceptable salts or solvates, or oxidised derivatives thereof) in a suitable composition.