发明授权
- 专利标题: Ink compositions
- 专利标题(中): 油墨组合物
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申请号: US56202申请日: 1987-06-01
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公开(公告)号: US4840674A公开(公告)日: 1989-06-20
- 发明人: William M. Schwarz
- 申请人: William M. Schwarz
- 申请人地址: CT Stamford
- 专利权人: Xerox Corporation
- 当前专利权人: Xerox Corporation
- 当前专利权人地址: CT Stamford
- 主分类号: C09D11/00
- IPC分类号: C09D11/00
摘要:
An improved ink composition comprised of a major amount of water; an organic solvent selected from the group consisting of tetramethylene sulfone; 1,1,3,3-tetramethyl urea; 3-methyl sulfolane; and 1,3-dimethyl-2-imidazolidone; which solvent has permanently dissolved therein spirit soluble dyes such as black, yellow, cyan, magneta, brown, and mixtures thereof.