发明授权
US5482912A Thermosensitive recording material and phthalic acid derivatives for use
in the same
失效
用于其中的热敏记录材料和邻苯二甲酸衍生物
- 专利标题： Thermosensitive recording material and phthalic acid derivatives for use in the same
- 专利标题（中）： 用于其中的热敏记录材料和邻苯二甲酸衍生物
-
申请号： US201993申请日： 1994-02-25
-
公开(公告)号： US5482912A公开(公告)日： 1996-01-09
- 发明人: Hiromi Furuya , Keishi Taniguchi , Hideo Suzaki
- 申请人： Hiromi Furuya , Keishi Taniguchi , Hideo Suzaki
- 申请人地址： JPX Tokyo
- 专利权人： Ricoh Company, Ltd.
- 当前专利权人： Ricoh Company, Ltd.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX5-062772 19930226; JPX5-121745 19930524; JPX5-171160 19930617; JPX5-342419 19931214; JPX6-046439 19940221
- 主分类号： B41M5/30
- IPC分类号： B41M5/30 ; B41M5/333 ; C07C65/24 ; C07C309/77 ; C07C317/44 ; C07C323/62 ; B41M5/26 ; B41M5/40
摘要：
A thermosensitive recording material composed of a support, and a thermosensitive recording layer formed on the support, containing a leuco dye and a color developer capable of inducing color formation in the leuco dye upon application of heat thereto, the color developer including at least one compound selected from the group consisting of the compounds of formulas (I) to (IV): ##STR1##
公开/授权文献
- US5051359A Method of determining the quality of a medium 公开/授权日：1991-09-24
信息查询
