Inventor
BECK KARIN HEIDRUN
DE11 patents
Patents
11 patentsUS6312958B1Nov 6, 2001
Method for marking liquids with at least two marker substances and method for detecting them
BASF AG76 citations96
US5804447ASep 8, 1998
Use of compounds which absorb and/or fluoresce in the IR region as markers for liquids
BASF AG67 citations95
US5998211ADec 7, 1999
Use of compounds which absorb and/or fluoresce in the IR region as markers for liquids
BASF AG36 citations92
US5827332AOct 27, 1998
Azo dyes and a method of making a hydrocarbon using an azo dye
BASF AG19 citations91
US6340745B1Jan 22, 2002
Phthalocyanine and use of phthalocyanine as a marking agent
BASF AG14 citations84
US5891227AApr 6, 1999
Aqueous dye preparations
BASF AG17 citations81
US6616712B1Sep 9, 2003
Use of compositions containing bisazo compounds for detecting fissures
BASF AG12 citations72
US5697984ADec 16, 1997
Dye preparations with ethylene oxide-castor oil reaction products
BASF AG7 citations67
US5990327ANov 23, 1999
Use of aminotriarylmethanes for marking hydrocarbons and novel aminotriarylmethanes
BASF AG2 citations62
US5663028ASep 2, 1997
Electrostatic toners containing aminodiacetic acid derivatives
BASF AG0 citations52
US5814139ASep 29, 1998
Ballpoint pen pastes with phthalocyanine pigments
BASF AG1 citations50