Patent · US Expired

Substituted 1-sulfonyloxy-2-pyridones and process for preparing them

US5286867A · kind A · utility

9Cited by

5References

19Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Gerhard Lohaus · Kelkheim, DE
Walter Spiess · Dieburg, DE
Georg Pawlowski · Saitama, JP

Key dates

Filing date	Apr 20, 1992
Grant date	Feb 15, 1994
Priority date	—
Expiry date	Apr 20, 2012

Classification

Technology area (CPC G)Physics
CPC primaryG03F7/0045
WIPO fieldOptics
WIPO sectorInstruments

Abstract

1-Sulfonyloxy-2-pyridones of the formula I ##STR1## show good radiation sensitivity over a wide spectral range and are therefore valuable as photoactive compounds in radiation-sensitive mixtures.

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