Inventor
KOEHLER BURKHARD
DE99 patents
⚠️ This page may combine multiple inventors who share the name “KOEHLER BURKHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
40 patentsUS5304400AApr 19, 1994
Process for coating heat resistant substrates with two component stoving compositions
BAYER AG57 citations96
US5868938AFeb 9, 1999
Chiral stationary phases for chromatographic separation of optical isomers
BAYER AG52 citations94
US6664342B1Dec 16, 2003
Polycarbonates containing aspartic acid-ester functional silicones
BAYER AG18 citations93
US5545692AAug 13, 1996
Polyesters of dimer fatty acid and dimer fatty diol and their use for the production of polyester carbonates
BAYER AG23 citations93
US5786440AJul 28, 1998
Mixtures of cyclic oligocarbonates and their manufacture
BAYER AG39 citations92
US5750602AMay 12, 1998
Flameproofed polycarbonate/ABS blends resistant to stress cracking
BAYER AG42 citations92
US5693722ADec 2, 1997
Method for modifying the backbone of polymeric resins
BAYER AG34 citations92
US5654383AAug 5, 1997
Polyarylene sulfides reduced in viscosity by aftertreatment with disulfides
BAYER AG49 citations92
US7101945B2Sep 5, 2006
Phosphorus-containing polymers for optical signal transducers
BAYER AG21 citations91
US5650456AJul 22, 1997
Coumarin derivatives, a method of preparing them and their use as intermediates
BAYER AG30 citations89
US6114463ASep 5, 2000
Copolymers based on vinyl units and their use in electroluminescent devices
BAYER AG18 citations84
US5891975AApr 6, 1999
(Co)polymers based on vinyl units and use thereof in electroluminescent devices
BAYER AG13 citations74
US5849845ADec 15, 1998
Blends of aromatic polycarbonates and epoxy-functional terpolymers
BAYER AG8 citations74
US5300543AApr 5, 1994
Recyclable thermoplastics foam of high glass temperature
BAYER AG8 citations74
US5286809AFeb 15, 1994
Thermoplastic moulding compounds
BAYER AG9 citations74
US5256702AOct 26, 1993
Method of foaming thermoplastic polycarbonate
BAYER AG16 citations74
US5240988AAug 31, 1993
Mixtures of polyarylene sulfides, crosslinking agents containing nitro groups and glass fibers
BAYER AG13 citations74
US5126429AJun 30, 1992
Flexible polyamide from dimer acid and bis-secondary diamine
BAYER AG10 citations74
US5086129AFeb 4, 1992
Polyarylene sulphide modified with aryl sulfonic acid containing amino or hydroxyl group
BAYER AG8 citations74
US4952624AAug 28, 1990
Polyarylene sulfide mixtures with reduced radical formation under highly accelerated weathering
BAYER AG10 citations74
US5635560AJun 3, 1997
Mixtures of polycarbonate, phenolically hydroxyfunctional branched dimeric fatty acid polyesters and optionally graft polymer
BAYER AG12 citations73
US5093397AMar 3, 1992
Mixtures of polyarylene sulphides, nitroarylketo compounds, electron rich aromatic compounds, glass fibres and optionally other fillers
BAYER AG14 citations73
US4996256AFeb 26, 1991
Free-flowing polyarylene sulfides crystallizing with delay
BAYER AG6 citations73
US5158985AOct 27, 1992
Polycarbonate foam articles
BAYER AG12 citations72
US5308558AMay 3, 1994
Process for foaming thermoplastic polycarbonates
BAYER AG8 citations71
US6485836B2Nov 26, 2002
Composite material comprising polyurethane and at least one thermoplastic plastics material, a process for the production thereof and the use thereof in motor vehicles
BAYER AG11 citations69
US7134466B2Nov 14, 2006
Crosslinked rubber particles modified by amino(meth)acrylate groups
BAYER AG2 citations63
US6962953B2Nov 8, 2005
Aqueous secondary dispersions
BAYER AG6 citations63
US5929197AJul 27, 1999
Acylsuccinic acid polyesters, a process for their preparation and their use in thermosetting plastics and coatings
BAYER AG6 citations63
US5852098ADec 22, 1998
short glass-fibre reinorced polycarbonates
BAYER AG6 citations63
US5824741AOct 20, 1998
Impact-resistant thermoplastic moulding compositions
BAYER AG5 citations63
US5747586AMay 5, 1998
High-impact molding compounds based on polyisobutylene-containing polycarbonate
BAYER AG5 citations63
US5717027AFeb 10, 1998
Block copolycarbonates with polyisobutylene-α-haloketocarboxylic acid blocks
BAYER AG3 citations63
US5698622ADec 16, 1997
Stabilisation of ABS graft polymers using dithiodipropionic acid
BAYER AG5 citations63
US5656684AAug 12, 1997
Silanes containing oxalamide functional groups and their use as plastics additives
BAYER AG6 citations63
US5583174ADec 10, 1996
Mixtures of specific dihydroxydiphenylcycloalkane polycarbonates and mineral oil
BAYER AG3 citations63
US5484857AJan 16, 1996
Single-stage process for the preparation of polyisobutylene carboxylic acids
BAYER AG3 citations63
US5407966AApr 18, 1995
Recyclable thermoplastic foam with a high glass transition temperature II
BAYER AG6 citations63
US5391641AFeb 21, 1995
Segmented N-alkyl polyurethane amides
BAYER AG3 citations63
US5250742AOct 5, 1993
Process for the production of propargyl ethers and new propargyl ethers
BAYER AG4 citations63
BAYER MATERIALSCIENCE AG
2 patentsSUNYX SURFACE NANOTECHNOLOGIES
2 patentsBAYER TECHNOLOGY SERVICES GMBH
2 patentsQIAGEN GMBH
1 patent(unassigned)
1 patentCOVESTRO DEUTSCHLAND AG
1 patentHEINZ HANS DETLEF
1 patentShowing the top 50 of 99 patents by PatentIndex Score.