Patent · US Expired

Developer for preparing printing forms and process therefor

US4716098A · kind A · utility

25Cited by

11References

18Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Gerhard Mack · Bad Rodach, DE
Birgit Mueller · Wiesbaden, DE
Guenter Jung · Simmerath, DE
Werner Frass · Wiesbaden, DE

Key dates

Filing date	Oct 23, 1985
Grant date	Dec 29, 1987
Priority date	—
Expiry date	Oct 23, 2005

Classification

Technology area (CPC G)Physics
CPC primaryG03F7/322
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A developer for negative-working reproduction layers and process therefor. The developer includes water, an organic solvent, a surface-active agent, an alkaline agent, a complexing agent, a buffer substance, an emulsifier and an n-alkanoic compound. Use of the developer suppresses speck and fibril formation in the developing process, and can be used in reproduction layers which optionally contain a binder.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.