Inventor
HASSENRUECK KARIN
DE24 patents
⚠️ This page may combine multiple inventors who share the name “HASSENRUECK KARIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
22 patentsUS5534052AJul 9, 1996
Polymeric dyestuffs and their use in inks for ink jet printing processes
BAYER AG37 citations92
US5468848ANov 21, 1995
Basic azo dyestuffs of the 3-cyano-2,4,6-triamino pyridine series
BAYER AG21 citations92
US6245138B1Jun 12, 2001
Pigment preparations useful for ink-jet printing
BAYER AG31 citations91
US6077339AJun 20, 2000
Pigment preparations useful for ink-jet printing
BAYER AG41 citations91
US5519121AMay 21, 1996
Triazinyl-amino bridge-containing disazo dyestuffs
BAYER AG22 citations91
US6926943B2Aug 9, 2005
Use of light-absorbing compounds in the information layer of optical data carriers, and optical data carriers
BAYER AG10 citations74
US5684139ANov 4, 1997
Direct disazo dyestuffs
BAYER AG6 citations74
US5637679AJun 10, 1997
Azo dyestuffs for dyeing and printing cellulose-containing fiber materials in an ink jet process
BAYER AG11 citations74
US5328994AJul 12, 1994
Azinoneutromethines
BAYER AG8 citations74
US6835725B2Dec 28, 2004
Optical data carrier comprising a cyanine dye as light-absorbent compound in the information layer
BAYER AG7 citations73
US6641889B2Nov 4, 2003
Optical data storage medium containing a triazacyanine dye as the light-absorbing compound in the information layer
BAYER AG9 citations73
US5607502AMar 4, 1997
Dyestuffs for printing inks
BAYER AG7 citations73
US5503666AApr 2, 1996
Dyestuffs and their use in inks for ink-jet printing processes
BAYER AG15 citations73
US5725607AMar 10, 1998
Method for reducing the toxicity of spent liquors and novel cationic dyes
BAYER AG6 citations69
US6936325B2Aug 30, 2005
Optical recording medium
BAYER AG4 citations62
US6896945B2May 24, 2005
Optical data carrier comprising a phthalocyanine dye as light-absorbent compound in the information layer
BAYER AG5 citations62
US6737142B2May 18, 2004
Optical data store comprising an axially substituted cobalt phthalocyanine in the light-writeable information layer
BAYER AG2 citations62
US6726972B2Apr 27, 2004
Optical data storage medium containing a diaza hemicyanine dye as the light-absorbing compound in the information layer
BAYER AG2 citations62
US6713146B2Mar 30, 2004
Optical data stores containing a Co-phthalocyanine complex in the information layer recordable using light
BAYER AG5 citations62
US7041354B2May 9, 2006
Optical data carrier comprising a cyanine dye as light-absorbent compound in the information layer
BAYER AG1 citations51
US5646257AJul 8, 1997
Azodyestuffs, their preparation and their use
BAYER AG0 citations51
US5208341AMay 4, 1993
Carbonylaminostyryls
BAYER AG0 citations42