12.
    发明专利
    未知

    公开(公告)号:DE19629986A1

    公开(公告)日:1998-01-29

    申请号:DE19629986

    申请日:1996-07-25

    Applicant: BASF AG

    Abstract: A process is disclosed for water-proofing leathers and pelts exclusively tanned with tanning polymers and possibly pre-tanned with aldehydes or reactive carbonyl compounds, without vegetable, synthetic and mineral tanning substances. Polysiloxanes are used as water-proofing agents.

    13.
    发明专利
    未知

    公开(公告)号:ES2090777T3

    公开(公告)日:1996-10-16

    申请号:ES93109174

    申请日:1993-06-08

    Applicant: BASF AG

    Abstract: The invention relates to a process for tanning leather by using compounds of the general formula I where m is 0 or 1 and the radicals R are independently of each other C1-C18-alkyl, which may be substituted by hydroxyl or carboxyl and/or interrupted by oxygen atoms, or else one of the radicals R is a radical of the formula where R is alkylene, which may be substituted by hydroxyl and/or interrupted by oxygen atoms.

    14.
    发明专利
    未知

    公开(公告)号:DE4209243A1

    公开(公告)日:1993-09-23

    申请号:DE4209243

    申请日:1992-03-21

    Applicant: BASF AG

    Abstract: A process is disclosed for stuffing, fulling and waterproofing leathers and pelts by using en-adducts of maleic acid anhydride to either unsaturated fatty acids containing 12-24 C atoms, their C1-C20 alkyl ester or C2-C20 alkenyl esters, triglycerides, amides, mono- or di-(C2-C4 alkanol) amides, mono- or dipolyetehr amides or polyether esters; or by using en-adducts derivatized partially or completely by conversion into amides or esters with amines or alcohols.

    15.
    发明专利
    未知

    公开(公告)号:DE4205839A1

    公开(公告)日:1993-09-02

    申请号:DE4205839

    申请日:1992-02-26

    Applicant: BASF AG

    Abstract: Use of homo-or copolymerisates based on monoethylenically unsaturated dicarboxylic acid anhydrides which can be obtained through the radically initiated polymerisation of a) 30 - 100 mol.% of one or more monoethylenically unsaturated dicarboxylic acid anhydrides with 4-10 C atoms; b) 0 - 70 mol.% of one or more vinyl aromatics of general formula (I) wherein R , R and R represent hydrogen, methyl or ethyl and k has a value of 1 or 2; c) 0 - 70 mol.% of one or more vinyl esters of C1-C8 carboxylic acids; d) 0 - 50 mol.% of one or more C2-C6 olefines; and e) 0 - 30 mol.% of one or more monoethylenically unsaturated C3-C5 carboxylic acids, B) amines or alcohols or mixtures of such amines and alcohols for stuffing and fulling leathers and fur pelts.

    16.
    发明专利
    未知

    公开(公告)号:DE4102545A1

    公开(公告)日:1992-07-30

    申请号:DE4102545

    申请日:1991-01-29

    Applicant: BASF AG

    Abstract: Disclosed is a method of self-tanning, pre-tanning and co-tanning skins and hides and for retanning leather and hides, using carbonyl compounds of formula (I), in which R is hydrogen, C1-C8 alkyl groups, phenylalkyl groups with a total of up to 12 C-atoms or phenyl groups, wherein phenyl residues may also be substituted with one or two C1-C4 alkyl groups, C1-C4 alkoxy groups, hydroxyl groups, amino groups, carboxyl groups, sulfo groups or halogen atoms; n is 1, 2, 3, or 4; and x is an OH, SH, NH2 or PH2 residue when n = 1, a bridging O, S, SO, SO2, NH, NR , PH or PR group, where R is C1-C4 alkyl, when n = 2, a tertiary N- or P-atom or the trivalent group P =O when n = 3, and a quaternary N-atom when n = 4. The corresponding acetals or ketals of the carbonyl compounds of formula (I) may also be used.

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