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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Woost; Bernd
Address:
Rosrath, DE
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
5525152 Pigment salts and their use for dyeing and pigmenting June 11, 1996
The present invention relates to a process for coloring polymeric materials by dyeing or pigmenting said polymeric materials with a pigment salt having the formula (I): ##STR1## and tautomeric forms thereof, wherein M.sup.n+ is an n-valent cation.










 
 
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