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1.Manufacture of stable urea/formaldehyde resins in a three stage reaction 失效
Title translation: 稳定尿素/甲醛树脂在三阶段反应中的制备公开(公告)号:US3896087A
公开(公告)日:1975-07-22
申请号:US27105472
申请日:1972-07-12
Applicant: BASF AG
Inventor: BRUNNMUELLER FRIEDRICH , HENKEL HELMUT , LENZ JOHANN
Abstract: Manufacture of impregnating urea/formaldehyde resins in which, in order to achieve particularly high rates of impregnation, urea and formaldehyde are condensed in acid solution until waterincompatibility commences, whereupon the mixture is treated with formaldehyde followed by urea.
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公开(公告)号:CH638719A5
公开(公告)日:1983-10-14
申请号:CH1052278
申请日:1978-10-10
Applicant: BASF AG
Inventor: GRASER MARTIN , HANN ERNST WILHELM , HENKEL HELMUT , MAYER JOHANN DR , SCHMIDT-HELLERAU CHRISTOF
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公开(公告)号:CA994618A
公开(公告)日:1976-08-10
申请号:CA170443
申请日:1973-05-04
Applicant: BASF AG
Inventor: EISELE WOLFGANG , HANN ERNST W , HENKEL HELMUT , MARX MATTHIAS
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公开(公告)号:DE2222401A1
公开(公告)日:1973-11-15
申请号:DE2222401
申请日:1972-05-06
Applicant: BASF AG
Inventor: EISELE WOLFGANG DR , HANN ERNST WILHELM , HENKEL HELMUT , MARX MATTHIAS DR
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公开(公告)号:DE1720268A1
公开(公告)日:1971-06-09
申请号:DE1720268
申请日:1967-03-25
Applicant: BASF AG
Inventor: ETLING HANS DR , HENKEL HELMUT , MEYER FERDINAND DR
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公开(公告)号:DE1644996A1
公开(公告)日:1970-12-03
申请号:DE1644996
申请日:1968-02-29
Applicant: BASF AG
Inventor: BRUNO SANDER DR , HENKEL HELMUT , JOHANN MAYER DR , WITTMANN OTTO
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公开(公告)号:DE2861892D1
公开(公告)日:1982-07-29
申请号:DE2861892
申请日:1978-11-11
Applicant: BASF AG
Inventor: EISELE WOLFGANG DR , HANN ERNST WILHELM , HENKEL HELMUT , WENDEL KURT DR
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公开(公告)号:DE2740207B1
公开(公告)日:1978-11-09
申请号:DE2740207
申请日:1977-09-07
Applicant: BASF AG
Inventor: GRASER MARTIN , HANN ERNST-WILHELM , HENKEL HELMUT , MAYER JOHANNES DR , SCHMIDT-HELLERAU CHRISTOF
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公开(公告)号:DE2135738A1
公开(公告)日:1973-01-25
申请号:DE2135738
申请日:1971-07-16
Applicant: BASF AG
Inventor: BRUNNMUELLER FRIEDRICH DR , HENKEL HELMUT , LENZ JOHANN
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