P

Inventor

WEHRMANN ROLF

DE106 patents
⚠️ This page may combine multiple inventors who share the name “WEHRMANN ROLF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAYER AG

34 patents
US5766515AJun 16, 1998

Conductive coatings

BAYER AG209 citations99
US6376105B1Apr 23, 2002

Electroluminescent arrangements

BAYER AG108 citations98
US5917279AJun 29, 1999

Intermediate layer in electroluminescent arrangements containing finely divided inorganic particles

BAYER AG106 citations98
US6083635AJul 4, 2000

Conductive coatings

BAYER AG125 citations97
US5194393AMar 16, 1993

Optical biosensor and method of use

BAYER AG208 citations97
US6391481B1May 21, 2002

Auxiliary layers for electroluminescent assemblies

BAYER AG76 citations96
US6584714B1Jul 1, 2003

Fluorescent, structured shaped bodies

BAYER AG38 citations93
US6507428B1Jan 14, 2003

Arrangement based on poly-(3,4-dioxythiophene) derivatives which are electrochromically switched with protons

BAYER AG24 citations93
US6452711B1Sep 17, 2002

Electro chromic assembly based on poly (3,4-ethylenedioxythiophene derivatives in the electrochromic layer and the ion-storage layer

BAYER AG38 citations93
US6403741B1Jun 11, 2002

UV-stabilized electrochromic assembly based on poly(3,4-ethylenedioxythiophene) derivatives

BAYER AG35 citations93
US6327070B1Dec 4, 2001

Electrochromic assembly based on poly(3,4-ethylenedioxythiophene) derivatives in combination with a lithium niobate counterelectrode

BAYER AG33 citations93
US6316130B1Nov 13, 2001

Electroluminescent assemblies using azomethine-metal complexes

BAYER AG36 citations93
US6294273B1Sep 25, 2001

Electroluminescent assemblies containing N-alkyl-2,2′-imino-bis-(8-hydroxy-quinoline)-metal complexes

BAYER AG26 citations93
US6287713B1Sep 11, 2001

Electroluminescent assemblies containing boron chelates

BAYER AG31 citations93
US6248457B1Jun 19, 2001

Copolymers based on vinyl units and use thereof in electroluminescent devices

BAYER AG20 citations93
US6157479ADec 5, 2000

Electrochromic assembly based on poly(3,4-ethylenedioxythiophene) derivatives and a UV-stabilized gel electrolyte

BAYER AG41 citations93
US5807945ASep 15, 1998

(Co)polymers based on vinyl units and use thereof in electroluminescent arrangements

BAYER AG17 citations93
US6586556B2Jul 1, 2003

Use of copolycarbonates

BAYER AG17 citations92
US6376107B1Apr 23, 2002

Electroluminescent arrangement using doped blend systems

BAYER AG24 citations92
US6277504B1Aug 21, 2001

EL assembly based on tertiary amines, Alq3 derivatives or mixtures soluble in alcohol and polymeric binders

BAYER AG25 citations92
US6577657B1Jun 10, 2003

Plastic substrate for solid-state laser

BAYER AG24 citations91
US5650456AJul 22, 1997

Coumarin derivatives, a method of preparing them and their use as intermediates

BAYER AG30 citations89
US6534200B1Mar 18, 2003

Electroluminescent systems with polynulcear metal complexes

BAYER AG13 citations84
US6503643B1Jan 7, 2003

Electro-luminescent arrangements with thiophene carboxylate metal complexes

BAYER AG18 citations84
US6403239B2Jun 11, 2002

(Co)polymers based on vinyl units and use thereof in electroluminescent devices

BAYER AG14 citations84
US6368731B2Apr 9, 2002

Electroluminescent assemblies using boron chelates of 8-aminoquinoline derivatives

BAYER AG16 citations84
US6323988B1Nov 27, 2001

Electrochromic assembly based on poly(3,4-ethylene-dioxythiophene) derivatives with a counterelectrode containing metal oxides from transition group VI or VIII

BAYER AG15 citations84
US6114463ASep 5, 2000

Copolymers based on vinyl units and their use in electroluminescent devices

BAYER AG18 citations84
US6541128B2Apr 1, 2003

Electroluminescent arrangements using blend systems

BAYER AG17 citations83
US5905128AMay 18, 1999

(CO) polymers based on vinyl units and use thereof in electroluminescent arrangements

BAYER AG9 citations74
US5891975AApr 6, 1999

(Co)polymers based on vinyl units and use thereof in electroluminescent devices

BAYER AG13 citations74
US6646101B2Nov 11, 2003

Use of copolycarbonates

BAYER AG6 citations73
US5368968ANov 29, 1994

Modified polyester resins, a process for their preparation and toners containing such polyester resins

BAYER AG11 citations73
US5874180AFeb 23, 1999

Electroluminescent arrangements and their use

BAYER AG9 citations71

STARCK H C GMBH

2 patents

BAYER MATERIALSCIENCE AG

2 patents

AGFA GEVAERT NV

2 patents

COVESTRO DEUTSCHLAND AG

2 patents

BOSCH GMBH ROBERT

1 patent

HEUER

1 patent

STARCK H C GMBH CO KG

1 patent

MEYER ALEXANDER

1 patent

WEHRMANN ROLF

1 patent

BAYER AC

1 patent

HEUER HELMUT-WERNER

1 patent

AGFA GEVAERT AG

1 patent

Showing the top 50 of 106 patents by PatentIndex Score.