发明授权
- 专利标题: Liquid developer formulation
- 专利标题(中): 液体显影剂配方
-
申请号: US301532申请日: 1989-01-26
-
公开(公告)号: US4980259A公开(公告)日: 1990-12-25
- 发明人: Benzion Landa , Yaacov Almog , Uri Levy
- 申请人: Benzion Landa , Yaacov Almog , Uri Levy
- 申请人地址: CT Stamford
- 专利权人: Savin Corporation
- 当前专利权人: Savin Corporation
- 当前专利权人地址: CT Stamford
- 主分类号: G03G9/12
- IPC分类号: G03G9/12 ; G03G15/11
摘要:
A process for replenishing a liquid developer, and a liquid developer made by the process, comprising transferring a first composition comprising a carrier liquid and a charge director into the liquid developer and transferring a second composition comprising toner particles, carrier liquid and charge director into the liquid developer. The amount of charge director in each of the first and second compositions charge director is in a predetermined ratio which results in a constant level of charge director in the liquid developer when the liquid developer is utilized in an electrostatic or printing process.
信息查询