-
公开(公告)号:DE3200199A1
公开(公告)日:1983-07-14
申请号:DE3200199
申请日:1982-01-07
Applicant: BASF AG
-
公开(公告)号:DE2942657A1
公开(公告)日:1981-04-30
申请号:DE2942657
申请日:1979-10-22
Applicant: BASF AG
Inventor: STRAUB FERDINAND DIPL CHEM DR , HARTMANN HEINRICH DIPL CHEM DR , NAEGELE PAUL ING GRAD , SEIB KARL DIPL CHEM DR
Abstract: A process for the preparation of high-viscosity polyvinylpyrrolidone, wherein an aqueous polyvinylpyrrolidone solution is subjected to a heat treatment in the presence of a water-insoluble peroxide and in the absence of oxygen, and thickeners containing the polyvinylpyrrolidone thus prepared.
-
公开(公告)号:DE2834645A1
公开(公告)日:1980-02-28
申请号:DE2834645
申请日:1978-08-08
Applicant: BASF AG
-
公开(公告)号:DE3119385A1
公开(公告)日:1982-12-09
申请号:DE3119385
申请日:1981-05-15
Applicant: BASF AG
Inventor: OPPENLAENDER KNUT DIPL CHEM DR , STRICKLER RAINER DIPL CHEM DR , SEIB KARL DIPL CHEM DR , NAEGELE PAUL ING GRAD
Abstract: Cosmetic preparations are prepared containing from 0.1 percent to 15 percent by weight of oxyethylated diphenylamines as sun screen agents.
-
公开(公告)号:DE3028503A1
公开(公告)日:1982-02-25
申请号:DE3028503
申请日:1980-07-26
Applicant: BASF AG
-
-
-
-