Patent · US Expired

Photosensitive composition

US4444868A · kind A · utility

10Cited by
2References
4Claims
0Family size

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Key dates

Filing dateAug 3, 1982
Grant dateApr 24, 1984
Priority date
Expiry dateAug 3, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/0388
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A photosensitive composition, comprising a photo-insolubilizable resin having a styryl type nitrogen-containing heterocyclic residue and an acid and a photosensitive high molecular compound, having high sensitivity for an extremely small photosensitive group content.

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