| 发明名称 |
Composite developer-etch composition for chromium-plated lithographic printing plates |
| 摘要 |
A composite developer-etch composition for chromium-plated lithographic printing plates comprises an aqueous solution of aluminum chloride, a water-soluble chloride other than aluminum chloride, phosphoric acid, and an acid-stable water-soluble reducing agent; the composition having a particular specific gravity range.
|
| 申请公布号 |
US4022619(A) |
申请公布日期 |
1977.05.10 |
| 申请号 |
US19750567521 |
申请日期 |
1975.04.14 |
| 申请人 |
PRINTING DEVELOPMENTS, INC. |
发明人 |
PAGLIARO, VINCENT A.;WALTERS, RICHARD G. |
| 分类号 |
B41N3/08;G03F7/32;(IPC1-7):G03F7/02;G03C5/00 |
主分类号 |
B41N3/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
