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EP0255989A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Negative photoresist on the basis of polyphenols and epoxide compounds or vinyl ethers

Assignee: Huntsman Advanced Materials Switzerland GmbH
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Filing: 1987-07-31
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Granted: —
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Expires: 2007-07-31
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Abstract

Abstract The negative photoresist consists essentially of       a) at least one solid, film-forming polyphenol,       b) at least one compound which contains at least two epoxide groups or at least two vinyl ether groups or at least one epoxide and vinyl ether group in the molecule,       c) at least one cationic photoinitiator for the component b), and       d) optionally, standard additives. The resist can be developed in aqueous alkali.

Inventors

  • 👤 Martin Dr. Roth
  • 👤 Kurt Dr. Meier

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 17:11
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; G03F7/0388; H; H04; H04N; H04N23/00; H04N23/60; H04N23/66; A; A61; A61K; A61K38/00; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106

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