Inventor
SCHARR VOLKER
DE5 patents
Patents
5 patentsUS6433219B1Aug 13, 2002
Method for the production of methylenedi(phenylamine and methylenedi(phenyl isocyanate)
BASF AG56 citations94
US6576788B1Jun 10, 2003
Method for producing mixtures consisting of diphenylmethane diisocyanates and polyphenylene-polymethylene-polyisocyanates containing a reduced amount of chlorinated secondary products and with a reduced iodine color index
BASF AG66 citations93
US7230130B2Jun 12, 2007
Process for preparing methylenedianiline and methylenebis (phenylisocyanate)
BASF AG17 citations91
US6831192B2Dec 14, 2004
Process for preparing methylenedianiline and methylenebis(phenyl isocyanate)
BASF AG20 citations91
US6900348B1May 31, 2005
Light isocyanates, method for producing them and use thereof
BASF AG24 citations89