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:
Mar. 23, 2021
Filed:
Oct. 12, 2016
Industry-university Cooperation Foundation Hanyang University, Seoul, KR;
Jong-Man Kim, Seoul, KR;
Dong-Hoon Park, Ansan-si, KR;
Abstract
A water-based ink comprising a diacetylene monomer, a hydrochromic polydiacetylene paper prepared using the ink, and uses therefor are provided. The water-based ink includes a diacetylene monomer, and a solvent mixture comprising water and an alcohol. The diacetylene monomer has a ionic functional group represented by RX, wherein Xis F, Cl, Br, I, PF, BF, bis(trifluoromethane)sulfonimide (TFSI) (TfN), trifluoromethanesulfonate (TfO), SCN, or CHCOO, and Ris N—R-heterocyclic quaternary ammonium.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile