PROCESS FOR MANUFACTURE OF SEMICONDUCTOR DEVICES

    公开(公告)号:SG11201407168PA

    公开(公告)日:2014-11-27

    申请号:SG11201407168P

    申请日:2013-04-29

    Applicant: BASF SE

    Abstract: A process for the manufacture of semiconductor devices is provided. The process comprises the chemical-mechanical polishing of a substrate or layer containing at least one III-V material in the presence of a chemical-mechanical polishing composition (Q1) comprising (A) inorganic particles, organic particles, or a mixture or composite thereof, (B) a polymer comprising at least one N-heterocycle, and (M) an aqueous medium and whereas Q1 has a pH of from 1.5 to 4.5.

    COPOLIMEROS COMO INHIBIDORES DE ESCAMA.

    公开(公告)号:MX2008013566A

    公开(公告)日:2008-10-31

    申请号:MX2008013566

    申请日:2007-04-26

    Applicant: BASF SE

    Abstract: La presente invención se refiere a copolímeros que se pueden obtener de la copolimerización de radical libre de por lo menos (a) un ácido carboxílico monoetilénicamente insaturado teniendo de 3 a 6 átomos de carbono o su anhídrido con (b) una mezcla de reacción que comprende por lo menos un componente de la fórmula estructural general (I) (ver fórmula (I)) en donde R1, R2, R3, R4, son cada uno independientemente H o alquilo de C1-C4, n y m, son cada uno independientemente un entero de 1 a 100 y R5 es H o metilo, a un proceso para preparar el polímero inventivo y a su uso como un inhibidor de escama.

    COPOLYMERS AS SCALE INHIBITORS
    7.
    发明专利

    公开(公告)号:CA2648696A1

    公开(公告)日:2007-11-08

    申请号:CA2648696

    申请日:2007-04-26

    Applicant: BASF SE

    Abstract: The present invention relates to copolymers which are obtainable from the free radical copolymerization of at least (a) a monoethylenically unsaturated carboxylic acid having 3 to 6 carbon atoms or the anhydride thereof with (b) a reaction mixture comprising a component of the general structural formula where R1, R2, R3, R4, independently of one another, are H or C1- to C4-alkyl, n and m, independently of one another, are an integer from 1 to 100 and R5 is H or methyl, a process for the preparation of the polymer according to the invention and the use thereof as a scale inhibitor.

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