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    REDUCTION PROCESS OF SULFOXIDE GROUPS IN POLYMERS
    41.
    发明专利
    REDUCTION PROCESS OF SULFOXIDE GROUPS IN POLYMERS 未知

    公开(公告)号：CZ246994A3

    公开(公告)日：1995-04-12

    申请号：CZ246994

    申请日：1994-10-06

    Applicant: HOECHST AG

    Inventor： FRANK GEORG DR ,  SCHLEICHER ANDREAS DR ,  KULPE JURGEN DR

    IPC: C08G75/02 ,  C08G75/00 ,  C08G75/06 ,  C08G75/12 ,  C08G75/18

    Abstract: The invention relates to a process for the preparation of polymer sulphides which is characterised in that compounds containing sulphoxide linking groups of the formula (I> -[(Ar )n-X)]m-[(Ar )i-Y)]j-[(Ar )k-Z)]l-[(Ar )o-W)]p- (1> in which the symbols and indices have the following meanings: Ar , Ar , Ar and Ar are identical or different arylene systems having 6 to 18 carbon atoms, W, X, Y and Z are identical or different -SO2-, -S-, -SO-, -CO-, -O-, -CO2-, alkylene or alkylide groups having 1 to 6 carbon atoms, preferably 1 to 4 carbon atoms, where at least one linking group from W, X, Y or Z must be an -SO- group, n, m, i, j, k, l, o and p are identical or different and are 0 or an integer 1, 2, 3 or 4, where their sum must be at least 2, are treated a) thermally or b) in the presence of active hydrogen or c) photochemically and reduced to the corresponding sulphides.

    PIEZOELECTRIC GAS SENSOR
    42.
    发明专利
    PIEZOELECTRIC GAS SENSOR 未知

    公开(公告)号：MY130289A

    公开(公告)日：2007-06-29

    申请号：MYPI9500211

    申请日：1995-01-27

    Applicant: HOECHST AG

    Inventor： FEUCHT GERNOT DR ,  SCHLEICHER ANDREAS DR ,  FRANK GEORG DR

    IPC: G01N5/02 ,  G01N27/00 ,  C09D181/00 ,  C09D181/02 ,  C09D181/04 ,  G01N27/12 ,  H01L41/08 ,  H01L41/193

    Abstract: THE INVENTION RELATES TO A SENSOR COMPRISING A PIEZOELECTRIC CRYSTAL WITH A POLYARYLENE THIOETHERCONTAINING COATING, THE COATING CONTAINING AT LEAST ONE POLYARYLENE SYSTEM HAVING REPEATING UNITS OF THE FORMULA I,WHICH CONTAIN AT LEAST ONE THIOETHER GROUP, IN WHICH AR1, AR2, AR3 AND AR4 ARE IDENTICAL OR DIFFERENT ARYL SYSTEMS HAVING FROM 6 TO 18 CARBON ATOMS, W, X, Y AND Z ARE IDENTICAL OR DIFFERENT LINKING GROUPS, SELECTED FROM THE GROUP COMPRISING -SO2-, -S-, -SO-, -O-, -CO-, -CO2-, ALKYLENE OR ALKYLIDENE HAVING FROM 1 TO 6 CARBON ATOMS AND -NR1-, WHERE R1 IS AN ALKYL OR ALKYLIDE GROUP HAVING FROM 1 TO 6 CARBON ATOMS AND AT LEAST ONE LINKING GROUP MUST BE -S-,N, M, I, J, K, 1, O, P ARE, EQUAL OR DIFFERENT, INTEGERS ZERO, 1, 2, 3 OR 4, THEIR SUM HAVING TO BE AT LEAST 2, AND TO THE USE THEREOF.

    43.
    发明专利
    未知

    公开(公告)号：DE4345218C2

    公开(公告)日：1997-09-04

    申请号：DE4345218

    申请日：1993-08-24

    Applicant: HOECHST AG

    Inventor： FLEISCHER DIETRICH DR ,  KULPE JUERGEN DR ,  SCHLEICHER ANDREAS DR ,  FRANK GEORG DR

    IPC: B01D53/34 ,  B01D53/56 ,  B01D53/81 ,  B01J20/26 ,  C02F1/28 ,  B01D39/04

    Abstract: PCT No. PCT/EP94/02688 Sec. 371 Date Jul. 15, 1996 Sec. 102(e) Date Jul. 15, 1996 PCT Filed Aug. 11, 1994 PCT Pub. No. WO95/05894 PCT Pub. Date Mar. 2, 1995A method for removing oxides of nitrogen from gases and liquids by contacting a NOx containing gas or liquid with a polyarylene thioether filter material and a solid oxidizing agent having an electron potential greater than 0.96 V, wherein the solid oxidizing agent oxidizes NO into NO2 which is removed by the polyarylene thioether filter material.

    44.
    发明专利
    未知

    公开(公告)号：DK0696222T3

    公开(公告)日：1997-06-02

    申请号：DK94913593

    申请日：1994-04-13

    Applicant: HOECHST AG

    Inventor： KULPE J ,  STRUTZ HEINZ ,  FLEISCHER DIETRICH ,  SCHLEICHER ANDREAS DR

    IPC: B01D15/00 ,  B01D19/00 ,  B01D53/14 ,  B01D53/34 ,  B01D53/66 ,  B01D53/86 ,  B01J20/26 ,  C08G75/02

    Abstract: A filter material based on a polyarylene thioether having repeating units of the formula -[(Ar1)n-X)]m-[(Ar2)i-Y)]j-[(Ar3)k-Z)]l-[(Ar4)o-W)]p-(I) in which Ar1, Ar2, Ar3, Ar4, W, X, Y and Z, independently of each other, are identical or different, the indices n, m, i, j, k, l, o and p, independently of each other, are zero or integers 1, 2, 3 or 4, their sum being at least 2, Ar1, Ar2, Ar3 and Ar4 are arylene systems having 6 to 18 carbon atoms, and W, X, Y and Z are divalent linking groups, selected from -SO2-, -S-, -SO-, -CO-, -O-, -CO2-, or alkylene groups or alkylidene groups having 1 to 6 carbon atoms is suitable for removing ozone from gases or liquids. The removal proceeds quantitatively, no volatile products being formed.

    Sensor for detecting oxidants
    50.
    发明专利
    Sensor for detecting oxidants 未知

    公开(公告)号：DE4440020A1

    公开(公告)日：1996-05-15

    申请号：DE4440020

    申请日：1994-11-09

    Applicant: HOECHST AG

    Inventor： SCHOENFELD AXEL DR ,  FEUCHT GERNOT DR ,  SCHLEICHER ANDREAS DR ,  FRANK GEORG DR ,  RIEGER HEINZ DR

    IPC: G01N27/00 ,  G01N29/02 ,  C09D171/12

    Abstract: A sensor for oxidising agents is claimed and consists of an oxidisable aromatic polymer. Prodn. of a gas sensor having a porous polymer surface finish is also claimed, and comprises: (a) immersing the crystal initially in a solvent used for gas analysis of polymers, and then in a non-solvent, until all the solvent has been substd. by non-solvent and the non-solvent removed by drying, whereby the polymer remains in porous form on the surface of the crystal, or (b) (i) immersing the crystal in a polymer solvent which has good adhesion effect, (ii) drying, (iii) immersing in a suspension of porous particles used for gas analysis of polymers, and (iv) drying, whereby the porous particles are combined with the crystal over the intermediate layer. Further claimed is the prodn. of a polyarylene sulphide or polyarylene ether as an active component of the sensor.

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