Global Patent Index - EP 0821813 A4

EP 0821813 A4 19980826 - MODIFIED POLY(MALEIC ANHYDRIDE-CO-STYRENE) AND RELATED POLYMERS AS A BASE FOR COLOR FILTERS

Title (en)

MODIFIED POLY(MALEIC ANHYDRIDE-CO-STYRENE) AND RELATED POLYMERS AS A BASE FOR COLOR FILTERS

Title (de)

MODIFIZIERTES MALEINSÄUREANHYDRID-STYROL COPOLYMER SOWIE VERWANDTE POLYMERE FÜR ANWENDUNGEN IN FARBFILTERN

Title (fr)

POLY(ANHYDRIDE-CO-STYRENE MALEIQUE) MODIFIE ET POLYMERES APPARENTES UTILISES COMME BASE POUR FILTRES COLORES

Publication

EP 0821813 A4 19980826 (EN)

Application

EP 96913794 A 19960415

Priority

  • US 9605192 W 19960415
  • US 43140395 A 19950417

Abstract (en)

[origin: WO9633445A1] A method of producing color elements, for use in color filter arrays and the like, and a material for use in such methods, is disclosed. The material may be a modified poly(maleic anhydride-co-styrene) and related polymers. The polymers may be used as vehicles in a clear or partially clear form, as protective or blocking and anti-leach/stain coatings. The polymers may also be combined with dyes to produce the respective color elements. The materials are compatible with conventional photolithographic methods.

IPC 1-7

G03F 9/00; C09K 19/00; G03C 5/00; G03C 5/56

IPC 8 full level

G03F 7/004 (2006.01); G02B 5/20 (2006.01); G03F 7/00 (2006.01); G03F 7/038 (2006.01)

CPC (source: EP KR)

G03F 7/0007 (2013.01 - EP); G03F 7/0388 (2013.01 - EP); G03F 9/00 (2013.01 - KR)

Citation (search report)

  • [Y] EP 0627663 A1 19941207 - NIPPON OIL CO LTD [JP], et al
  • [XY] DATABASE WPI Section Ch Week 9416, Derwent World Patents Index; Class A89, AN 94-129205, XP002065153
  • See references of WO 9633445A1

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

WO 9633445 A1 19961024; AU 5664196 A 19961107; EP 0821813 A1 19980204; EP 0821813 A4 19980826; JP H11504128 A 19990406; KR 19990007801 A 19990125

DOCDB simple family (application)

US 9605192 W 19960415; AU 5664196 A 19960415; EP 96913794 A 19960415; JP 53183196 A 19960415; KR 19970707324 A 19971016