12.
    发明专利
    未知

    公开(公告)号:DE50101659D1

    公开(公告)日:2004-04-15

    申请号:DE50101659

    申请日:2001-04-04

    Applicant: BASF AG

    Abstract: Alcohol alkoxylates of the formula (I)whereR is an at least singly branched C4-22-alkylR is C3-4-alkylR is C1-4-alkylR is methyl or ethyln is an average value from 1 to 50m is an average value from 0 to 20r is an average value from 0 to 50s is an average value from 0 to 50,where m is at least 0.5 if R is methyl or ethyl or r is 0, or alcohol alkoxylates of the formula (II)whereR is branched or unbranched C4-22-alkylR is C3-4-alkylp is an average value of from 1 to 50q is an average value of from 0.5 to 20are used as low-foam or foam-suppressing surfactants.

    13.
    发明专利
    未知

    公开(公告)号:DE10017197A1

    公开(公告)日:2001-10-11

    申请号:DE10017197

    申请日:2000-04-07

    Applicant: BASF AG

    Abstract: The invention relates to alcohol alcoxylates of general formula (I) R -O-(CH2-CHR -O-)r(CH2-CH2-O-)n(CH2-CHR -O-)s(CH2-CHR -O-)mH, wherein R represents at least a mono-branched C4-22 alkyl, R represents C3-4 alkyl, R represents C1-4 alkyl, R represents methyl or ethyl, n represents a mean value of between 1 and 50, m represents a mean value of between 0 and 20, r represents a mean value of between 0 and 50, s represents a mean value of between 0 and 50, whereby m is at least 0.5, if R is methyl or ethyl, or if r has the value 0; or to alcohol alcoxylates of general formula (II) R -O-(CH2-CH2-O-)p(CH2-CHR -O-)qH, wherein R represents a branched or unbranched C4-22 alkyl, R represents C3-4 alkyl, p represents a mean value between 1 and 50 and q represents a mean value of between 0.5 and 20. Said alcohol alcoxylates are used as low-foam, or foam-inhibiting surfactants.

    16.
    发明专利
    未知

    公开(公告)号:AT261489T

    公开(公告)日:2004-03-15

    申请号:AT01927871

    申请日:2001-04-04

    Applicant: BASF AG

    Abstract: Alcohol alkoxylates of the formula (I)whereR is an at least singly branched C4-22-alkylR is C3-4-alkylR is C1-4-alkylR is methyl or ethyln is an average value from 1 to 50m is an average value from 0 to 20r is an average value from 0 to 50s is an average value from 0 to 50,where m is at least 0.5 if R is methyl or ethyl or r is 0, or alcohol alkoxylates of the formula (II)whereR is branched or unbranched C4-22-alkylR is C3-4-alkylp is an average value of from 1 to 50q is an average value of from 0.5 to 20are used as low-foam or foam-suppressing surfactants.

    CORROSION INHIBITION
    18.
    发明专利

    公开(公告)号:MY114836A

    公开(公告)日:2003-01-31

    申请号:MYPI9805900

    申请日:1998-12-28

    Applicant: BASF AG

    Abstract: FIG. 1THE INVENTION RELATES TO THE USE OF AT LEAST ONE COMPOUND OF GENERAL FORMULA (1), IN WHICH R1, R2 AND R3 INDEPENDENTLY OF ONE OF ANOTHER REPRESENT A HYDROGEN ATOM OR AN ALKYL OR ALKENYL RADICAL; R4 REPRESENTS AN ALKYL OR ALKENYL RADICAL AND N REPRESENTS 1 TO 5; OR OF AN ACID ADDITION SALT THEREOF, AS AN INHIBITOR OF CORROSION IN THE EXTRACTION, PROCESSING, STORAGE AND TRANSPORTATION OF CRUDE OIL AND NATURAL GAS, AND TO A PROCESS FOR THE PREPARATION OF THIS COMPOUND.

    ALCOHOL ALCOXYLATES USED AS LOW-FOAM, OR FOAM-INHIBITING SURFACTANTS

    公开(公告)号:CA2406431A1

    公开(公告)日:2002-10-04

    申请号:CA2406431

    申请日:2001-04-04

    Applicant: BASF AG

    Abstract: The invention relates to alcohol alcoxylates of general formula (I) R1-O-(CH 2- CHR5-O-)r(CH2-CH2-O-)n(CH2-CHR6-O-)s(CH2-CHR2-O-)mH, wherein R1 represents a t least a mono-branched C4-22 alkyl, R2 represents C3-4 alkyl, R5 represents C 1- 4 alkyl, R6 represents methyl or ethyl, n represents a mean value of between 1 and 50, m represents a mean value of between 0 and 20, r represents a mean value of between 0 and 50, s represents a mean value of between 0 and 50, whereby m is at least 0.5, if R5 is methyl or ethyl, or if r has the value 0 ; or to alcohol alcoxylates of general formula (II) R3-O-(CH2-CH2-O-)p(CH2-CHR 4- O-)qH, wherein R3 represents a branched or unbranched C4-22 alkyl, R4 represents C3-4 alkyl, p represents a mean value between 1 and 50 and q represents a mean value of between 0.5 and 20. Said alcohol alcoxylates are used as low-foam, or foam-inhibiting surfactants.

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