Pyrazoline brighteners
    1.
    发明授权
    Pyrazoline brighteners 失效
    吡唑啉增白剂

    公开(公告)号:US3925367A

    公开(公告)日:1975-12-09

    申请号:US18977271

    申请日:1971-10-15

    Applicant: BAYER AG

    Abstract: Pyrazoline compounds of the formula

    IN WHICH R1 and R2 represent an alkyl, cycloalkyl or aralkyl radical or together with the N atom form a non-aromatic, heterocyclic ring, R3 and R4 denote hydrogen or an alkyl or aryl radical, X denotes alkylene, -O-alkylene, -SO2-alkylene or -SO2NYalkylene, Y denoting hydrogen or alkyl, Z1 denotes hydrogen or alkyl, Z2 denotes hydrogen, alkyl or aryl and An- represents a colourless anion equivalent to the brightener cation, AS WELL AS THEIR PREPARATION AND THEIR USE AS OPTICAL BRIGHTENERS.

    Abstract translation: 吡唑啉化合物,其中R 1和R 2表示烷基,环烷基或芳烷基或与N原子一起形成非芳族杂环,R 3和R 4表示氢或烷基或芳基,X表示亚烷基, O-亚烷基,-SO 2亚烷基或-SO 2 N Y - 亚烷基,Y表示氢或烷基,Z1表示氢或烷基,Z2表示氢,烷基或芳基,An( - )表示与增白剂阳离子相当的无色阴离子, 作为他们的准备和他们作为光学亮片的使用。

    Triazole-coumarins
    2.
    发明授权
    Triazole-coumarins 失效
    三唑香豆素

    公开(公告)号:US3925405A

    公开(公告)日:1975-12-09

    申请号:US18977371

    申请日:1971-10-15

    Applicant: BAYER AG

    CPC classification number: C07D231/12 C07D233/56 C07D249/08 C09B57/02

    Abstract: Coumarine compounds of the formula

    IN WHICH A denotes a carbocyclic aryl radical or a radical of the formula

    IN WHICH X represents -CH- or N and Y represents

    WHEREIN THE RADICALS R1, R2, Z1, Z2, B, R'', R'''', An and n have the same meaning as in the description, WITH THE PROVISO THAT AT LEAST ONE OF THE RADICALS A and B represents a heterocyclic radical

    AS WELL AS THEIR PREPARATION AND THEIR USE AS OPTICAL BRIGHTENERS.

    Abstract translation: 芳香族化合物,其中A表示碳环芳基或式I的基团,其中X表示-CH-或N,Y表示其中R 1,R 2,Z 1,Z 2,B,R',R“ ,An < - >和n具有与描述中相同的含义。在至少一个辐射A和B的情况下,B表示杂环基,以及它们的制备及其作为光学亮片的使用。

Patent Agency Ranking