Patent · US Expired

Diarylnitrones

US4990665A · kind A · utility

15Cited by
3References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 17, 1989
Grant dateFeb 5, 1991
Priority date
Expiry dateJul 17, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/091
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Diaryinitrones are provided which are useful for near UV photolithography.

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