Percutaneous absorption accelerator and preparation containing same
申请人:Kao Corporation
公开号:EP0162239A1
公开(公告)日:1985-11-27
The invention relates to a percutaneous absorption accelerator comprising an ether compound of a glycerol or a polyglycerol and an alcohol as an effective component.
本发明涉及一种经皮吸收促进剂,其有效成分包括甘油或聚甘油与醇的醚化合物。
IRREVERSIBLY ERASABLE INK COMPOSITION COMPRISING A DISCOLORATION AGENT
申请人:Société BIC
公开号:EP3858925A1
公开(公告)日:2021-08-04
The present application relates to thermochromic ink composition comprising core-shell microcapsules, an aqueous dispersion medium and a decolorization agent.
本申请涉及热致变色油墨组合物,其中包含核壳微胶囊、水性分散介质和脱色剂。
DISCOLORABLE INK COMPOSITION AND WRITING UTENSILS
申请人:Kurihara Norimasa
公开号:US20100275813A1
公开(公告)日:2010-11-04
The invention provides a discolorable ink composition which is irreversibly erasable by heating to about 40° C. to 120° C. A discolorable ink composition, where an electron-donating color-forming organic compound and an electron-accepting compound are incorporated in wax particles, whereby the electron-donating color-forming compound in a state color-developed by the electron-accepting compound is separated from a decolorizer and kept in the color-developed state, while when the wax is liquefied by heating, the decolorizer reacts with the electron-accepting compound to convert the electron-donating color-forming organic compound into a decolorized state.
IRREVERSIBLY ERASABLE INK COMPOSITION HAVING A DISCOLORATION AGENT
申请人:Société BIC
公开号:US20210230440A1
公开(公告)日:2021-07-29
There is a thermochromic ink composition having core-shell microcapsules, an aqueous dispersion medium and a decolorization agent.