Phenothiazine leucodyes for electrochromic recording
申请人:International Business Machines
Corporation
公开号:EP0106937A2
公开(公告)日:1984-05-02
An electrochromic recording substrate comprising bromide ions and a leucodye having the structure
wherein R is lower alkyl, lower alkoxy, lower thioalkyl, lower dialkylamino, or diarylamino.
一种电致变色记录基板,由溴离子和具有以下结构的白兰地染料组成
其中 R 是低级烷基、低级烷氧基、低级硫代烷基、低级二烷基氨基或二芳基氨基。
US4439280A
申请人:——
公开号:US4439280A
公开(公告)日:1984-03-27
Pummerer; Gassner, Chemische Berichte, 1913, vol. 46, p. 2317,2325