Fat-desensitizing composition for litho printing plates comprising phytic acid, polyethylene glycol and a glycol compound
US4834797A · kind A · utility
3Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1988 |
| Grant date | May 30, 1989 |
| Priority date | — |
| Expiry date | Oct 24, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41N3/08
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A composition useful for rapidly and safely effecting a fat-desensitizing treatment for litho printing plates with a high efficiency, and for providing a hydrophilic membrane having a high durability in printing operations on the surfaces of the litho printing plates, comprises (A) a phytic acid or its functional derivative; (B) a metal salt of the formula MX.sub.1, wherein M=a divalent metal cation, X=monovalent or divalent anion and 1=1 or 2; (C) a glycol compound of the formula, ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.