Method for perfecting aircraft emergency landing
    2.
    发明授权
    Method for perfecting aircraft emergency landing 失效
    完成飞机紧急接地的方法

    公开(公告)号:US3679462A

    公开(公告)日:1972-07-25

    申请号:US3679462D

    申请日:1970-10-16

    Applicant: ALLIED CHEM

    CPC classification number: A62D1/0085 C08K3/38 C08L29/04

    Abstract: AQUEOUS DILATANT SOLUTIONS CONTAINING 0.5 TO 6.0 WEIGHT PERCENT ALKALI METAL BORATE AND 0.5 TO 6.0 WEIGHT PERCENT WATER-SOLUBLE POLYVINYL ALCOHOL CAN BE RAPIDLY APPLIED TO THE SURFACE OF AIRCRAFT RUNWAYS TO PROVIDE A SPARK AND FIRE-RETARDANT CUSHION FOR EMERGENCY AIRCRAFT LANDINGS. THE DILATANT SOLUTION IS PREFERABLY FORMED BY MIXING TWO AQUEOUS SYSTEMS, ONE CONTAINING BORATE AND THE OTHER PVA. THE MIXING IS PREFERABLY EFFECTED BY SPRAYING CONVERGING STREAMS OF THE TWO SOLUTIONS.

    Process for the preparation of d,l-lysine
    6.
    发明授权
    Process for the preparation of d,l-lysine 失效
    制备D,L-赖氨酸的方法

    公开(公告)号:US3637838A

    公开(公告)日:1972-01-25

    申请号:US3637838D

    申请日:1969-04-02

    Applicant: ALLIED CHEM

    CPC classification number: C07C229/24

    Abstract: TRANS-DIETHYL-4-CHLORO-2-BUTENYL-ACETAMIDOMALONATE, A NEW COMPOSITION OF MATTER, READILY UNDERGOES AMMINATION IN LIQUID AMMONIA TO FORM DIETHYL-4-AMINO-2-BUTENYLACETAMIDOMALONATE WHICH CAN BE TRANSFORMED BY KNOWN METHODS INTO LYSINE, A VALUABLE DIETARY SUPPLEMENT. THE TRANS-DIETHYL-4-CHLORO - 2 - BUTENYL-ACETAMIDOMALONATE IS FORMED BY REACTION OF TRANS 1,4-DICHLORO-BUTENE-2 WITH THE ALKALI METAL SALF OF DIETHYL ACETAMIDOMALONATE.

Patent Agency Ranking