Inventor
KNYRIM JOHANNA
DE3 patents
Patents
3 patentsUS8585983B2Nov 19, 2013
Halogen and heavy metal-free composition for a humidity indicating device and humidity indicating device containing the same
KNYRIM JOHANNA0 citations40
US8518344B2Aug 27, 2013
Halogen and heavy metal-free humidity indicating composition and humidity indicator card containing the same
KNYRIM JOHANNA0 citations40
US8671739B2Mar 18, 2014
Indicator material and indicator device comprising said indicator material
KNYRIM JOHANNA0 citations36