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  • aromatic
  • 19. The imaging material of claim 5 wherein said electron accepting compound is selected from the group consisting of clay minerals, organic acids, acid polymers, metal salts of aromatic carboxylic acids, oil soluble metal salts of phenol-formaldehyde novalak resins, zinc carbonate and combinations thereof. (google.com)
  • formula
  • New carbonylaminostyryls of the formula ##STR2## in which A represents the remaining members of an optionally substituted heterocyclic ring system to which a further carbocyclic ring is optionally fused, B represents a double bond or the grouping .dbd.CH--CH.dbd. (patentgenius.com)
  • Provided are compounds represented by the formula: ##STR00001## In which: Y is an unbranched, saturated or unsaturated hydrocarbon chain with 2-5 hydrocarbon. (patents.com)
  • oxygen
  • Oxygen double bonded to a ring carbon of the cyclopentanohydrophenanthrene ring system oxygen single bonded to a ring carbon of the cyclopentanohydrophenanthrene ring system modified c-ring (except methyl in 13-position) (e.g., double bond containing, substituted, etc. (patentsencyclopedia.com)
  • good
  • In the field of top coats for automotive finish, a pigment dispersion resin capable of providing an aqueous pigment dispersion that has, for example, low viscosity even at a high pigment concentration and is good at chromogenic properties as well as good in finished appearance and film performances of a coated film has been developed. (patentsencyclopedia.com)
  • systems
  • Such prior art test systems have conventionally been of the type which include in the reagent composition one or more chromogenic redox indicators which are either directly responsive to the analyte to be determined or are combined with and react to the product of an analyte responsive system. (google.com)