A color photograph comprising a support having provided thereon at least one photographic layer, wherein said at least one photographic layer contains a storage stability improving compound which forms a chemically inert and substantially colorless compound by combining chemically with the oxidation product of an aromatic amine color developing agent remaining in said color photograph after color development processing.
Color photographs, a process for preparing them and color photographic materials employed therefor
申请人:FUJI PHOTO FILM CO., LTD.
公开号:EP0277589A2
公开(公告)日:1988-08-10
There is provided a color photograph improved in preservability that has been obtained by making chemically inactive the aromatic amine type color developing agents and their oxidized product that remains in the silver halide photographic materials after color development processing. The color photograph exhibits excellent performance in that its white background can be prevented from discoloring even during long-term storage or display, and deterioration of a dye image caused by the remaining color developing agent being taken into the photographic material after the color development, bleaching, and fixing processes, or due to its oxidized product, can be prevented.
Provided is a gas-generating material which can generate a gas in a large amount per unit time and has high storage stability.
The gas-generating material 11a according to the present invention comprises a gas-generating agent that is an azo compound or an azide compound, a tertiary amine, a photosensitizing agent and a binder resin.
GETRÄGERTES KATALYSATORSYSTEM ENTHALTEND EIN METALLOCEN, EINE LEWIS-BASE UND EINE ELEMENTORGANISCHE VERBINDUNG DER III. HAUPTGRUPPE, SOWIE DESSEN VERWENDUNG
申请人:Basell Polypropylen GmbH
公开号:EP1280600A2
公开(公告)日:2003-02-05
Embedment Casting Composition
申请人:Chisholm Michael Stephen
公开号:US20090131579A1
公开(公告)日:2009-05-21
An embedment casting composition and a process of embedding a specimen in an acrylic polymer matrix is described. The composition comprises an acrylic copolymer and a suitable solvent. The acrylic copolymer is derived from 80-99% w/w methyl methacrylate, 0.1-10% w/w of a C
3
-C
10
olefinically unsaturated acid co-monomer selected from carboxylic, phophonic, sulphonic or phosphinic acids and 0-10% w/w other suitable monomers and/or additives. A process of embedding a specimen in an acrylic polymer matrix, a cast of an embedded metal specimen, the use of an embedment composition for coating a specimen prior to an embedment coating process and use of an embedment composition as the copolymer resin component of an embedment slurry are also described.