Unsaturated carboxylic acid derivatives containing phosphorus
    1.
    发明授权
    Unsaturated carboxylic acid derivatives containing phosphorus 失效
    含有磷酸盐的不饱和羧酸衍生物

    公开(公告)号:US3766252A

    公开(公告)日:1973-10-16

    申请号:US3766252D

    申请日:1971-10-26

    Applicant: HOECHST AG

    CPC classification number: C07F9/5304

    Abstract: PHOSPHONYLALKYL (METH)-ACRYLATES ARE USEFUL MONOMERS FOR THE PREPARATION OF FLAME-PROOF COPOLYMERS HAVING AN IMPROVED AFFINITY FOR DYESTUFFS. THE NEW COMPOUNDS ARE OBTAINED BY ACYLATION OF PHOSPHONYLALKYL ALCOHOLS OR AMINES WITH ACYLATING (METH-)ACRYLIC ACID DERIVATIVES.

    Process for the manufacture of poly-beta-amides
    4.
    发明授权
    Process for the manufacture of poly-beta-amides 失效
    制备聚β-氨基酸的方法

    公开(公告)号:US3708460A

    公开(公告)日:1973-01-02

    申请号:US3708460D

    申请日:1970-07-15

    Applicant: HOECHST AG

    Inventor: RUPP W BEERMANN C

    CPC classification number: C08G69/22

    Abstract: TO OBTAIN B-LACTAMS OF HIGH MOLECULAR WEIGHT BY ANIONIC POLYMERIZATION THE CATALYST SOLUTION OR SUSPENSION AND SIMULTANEOUSLY A SOLUTION OF THE B-LACTAM OR MIXTURE OF B-LACTAMS ARE METERED INTO THE POLYMERIZATION VESSEL CONTAINING A SOLVENT AT A TEMPERATURE OF FROM 10 TO 100* C.

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