METHOD OF MAKING THE VERY PURE DERIVATIVES OF THE PYRAZ

    公开(公告)号:CS208793B2

    公开(公告)日:1981-09-15

    申请号:CS779479

    申请日:1979-11-14

    Applicant: BASF AG

    Abstract: 1. A process for the preparation of substantially pure pyrazole compounds of the general formula see diagramm : EP0012216,P9,F1 where R is hydrogen, halogen, alkyl of up to 5 carbon atoms, alkoxy of up to 3 carbon atoms, perhaloalkyl of up to 3 carbon atoms or alkoxyalkyl of up to 5 carbon atoms, R**1 is hydrogen, halogen, alkyl of up to 5 carbon atoms, alkoxy of up to 3 carbon atoms, perhaloalkyl of up to 3 carbon atoms or alkoxyalkyl of up to 5 carbon atoms, R**2 is hydrogen, halogen, alkyl of up to 5 carbon atoms, alkoxy of up to 3 carbon atoms, perhaloalkyl of up to 3 carbon atoms or alkoxyalkyl of up to 5 carbon atoms, or R**2 together with R is an ortholinked alkylene chain of up to 6 carbon atoms which is unsubstituted or substituted by alkyl of up to 4 carbon atoms, X is chlorine or bromine, and R**3 and R**4 are identical or different and each is hydrogen, alkyl, alkoxy, alkylthio, carbalkoxy or perfluoroalkyl, in each case of up to 4 carbon atoms, or halogen, phenyl, cyano or carboxyl, from the corresponding crude products, characterized in that the crude products are treated with 30 to 90% by weight aqueous solutions of strong acids, thereafter the aqueous solution is separated off and diluted with water, and the pure product which hereupon precipitates is separated from the aqueous fluid.

    174.
    发明专利
    未知

    公开(公告)号:DK140665B

    公开(公告)日:1979-10-22

    申请号:DK522575

    申请日:1975-11-20

    Applicant: BASF AG

    Abstract: New and valuable furanhydroxamic acid derivatives having a good fungicidal action, fungicides containing these compounds as active ingredients, a process for controlling the growth of fungi with these compounds, and a process for their manufacture.

    180.
    发明专利
    未知

    公开(公告)号:BRPI0510569A

    公开(公告)日:2007-11-20

    申请号:BRPI0510569

    申请日:2005-05-19

    Applicant: BASF AG

    Abstract: The process for the production of crepe paper by adhesive bonding of a paper web with the aid of an adhesive comprising (i) polyethyleneimine having a molar mass Mw of from 50 000 to 2 million, (ii) reaction products of polyethyleneimine having a molar mass Mw of from 500 to 1 million with at least one C14- to C22-alkyldiketene, a monocarboxylic acid, an ester of a monocarboxylic acid or an acid chloride of a monocarboxylic acid and/or (iii) reaction products of polyalkylenepolyamines having a molar mass of from 300 to 1 million with at least one bischlorohydrogen ether or bisglycidyl ether of a polyalkylene glycol having a molecular weight MN of from 300 to 3000 to a creping cylinder, compression and removal of the crepe paper, as well as the use of the adhesives (i) to (iii) as creping assistants.

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