17.
    发明专利
    未知

    公开(公告)号:DK132800C

    公开(公告)日:1976-08-23

    申请号:DK428370

    申请日:1970-08-20

    Applicant: HOECHST AG

    Abstract: 1326613 Colouring PVC FARBWERKE HOECHST AG 20 Aug 1970 [21 Aug 1969] 40134/70 Heading C3P [Also in Division C4] Polyvinyl chloride is coloured red in the mass by incorporating therein a monoazo pigment of formula wherein X 1 , X 2 and X 3 are a H or halogen atom or an alkyl or alkoxy group, R 1 is an alkyl, cycloalkyl or aralkyl group, R 2 is a H atom, an alkyl or alkenyl group, a cycloalkyl, aralkyl or an aryl group which may be substituted by a halogen atom or an alkyl, alkoxy CF 3 , alkanoylamino, benzoylamine, alkanoyl, benzoyl, phenoxy, alkoxycarbonyl, carbamoyl, sulphonamido or alkylsulphonmido group and R 3 is a H atom or an alkyl or alkenyl group and R 2 and R 3 may form a ring with the N atom (see Divisions C4-C5). In Example 1 polyvinyl chloride, a phthalate ester plasticizer, a pigment as above and TiO 2 were mixed on a roller device to give a yellowish red film.

    20.
    发明专利
    未知

    公开(公告)号:BR7301254D0

    公开(公告)日:1974-03-14

    申请号:BR125473

    申请日:1973-02-20

    Applicant: HOECHST AG

    Abstract: A process for the preparation of fast dyeings or prints on synthetic fibrous materials, which comprises treating the said fibrous materials in aqueous dispersion or in an organic solvent with a dyestuff of the formula (1) IN WHICH A represents a linear or branched alkylene group of 1 to 4 carbon atoms being unsubstituted or substituted by methoxy, ethoxy, phenoxy or hydroxyl, and B represents phenyl being unsubstituted or substituted by fluorine, chlorine, bromine, cyano, trifluoromethyl, acetyl, benzoyl, phenyl, phenoxy, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms or by combinations of 2 or 3 members thereof, or naphthyl the yellow dyeings or prints so obtained being distinguished by excellent fastness properties, particularly by a very good fastness to light, a high resistance to sublimation and, furthermore, by very good colour yields.

Patent Agency Ranking