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公开(公告)号:DK130351C
公开(公告)日:1975-07-07
申请号:DK539869
申请日:1969-10-10
Applicant: BASF AG
Inventor: ENDRES H , FIKENTSCHER R , MAURER W , SCHARF E , SOENKSEN U
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公开(公告)号:DK130351B
公开(公告)日:1975-02-10
申请号:DK539869
申请日:1969-10-10
Applicant: BASF AG
Inventor: ENDRES H , ENTSCHER R , MAURER W , SCHARF E , SOENKSEN U
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公开(公告)号:BR7201569D0
公开(公告)日:1974-12-31
申请号:BR156972
申请日:1972-03-17
Applicant: BASF AG
Abstract: Water-soluble synthetic tanning agents composed of formaldehyde condensation products of non-sulfonated aromatic hydroxy compounds or the sulfomethylation products thereof with aromatic sulfonic acids or with the formaldehyde condensation products of said sulfonic acids.
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