Inventor
WEYMANS GUENTHER
DE27 patents
⚠️ This page may combine multiple inventors who share the name “WEYMANS GUENTHER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
25 patentsUS6719957B2Apr 13, 2004
Process for purification of anhydrous hydrogen chloride gas
BAYER AG89 citations96
US5104723AApr 14, 1992
Mixtures of special new polycarbonates with other thermoplastics or with elastomers
BAYER AG68 citations95
US5010147AApr 23, 1991
High-strength polycarbonate mixtures
BAYER AG23 citations93
US5235026AAug 10, 1993
Continuous production of polycarbonates
BAYER AG53 citations92
US5109076AApr 28, 1992
Polydiorganosiloxane/polycarbonate block cocondensates based on certain dihydroxydiphenylcycloalkanes
BAYER AG53 citations92
US5105004AApr 14, 1992
Aromatic ethers
BAYER AG23 citations92
US5086157AFeb 4, 1992
Aromatic polyether sulphones based on dihydroxy-diphenyl-cyclo-alkanes and films therefrom
BAYER AG34 citations92
US4964890AOct 23, 1990
Aromatic polyether ketones
BAYER AG28 citations92
US5229486AJul 20, 1993
Process for isolating polymers from their solvents using liquids containing carbon dioxide
BAYER AG37 citations91
US5221731AJun 22, 1993
Process for isolating polycarbonates with co2 under pressure
BAYER AG52 citations91
US6359177B1Mar 19, 2002
Process for separating mixtures of materials having different boiling points
BAYER AG20 citations90
US5363905ANov 15, 1994
Method of controlling heat exchangers using enthalpy flow as the correcting variable
BAYER AG31 citations90
US5412060AMay 2, 1995
Process for the production of polycarbonate of constant viscosity
BAYER AG13 citations73
US5258484ANov 2, 1993
Process for the production of polycarbonate
BAYER AG7 citations73
US5368699ANov 29, 1994
Method of controlling the concentrations of a multicomponent mixture
BAYER AG15 citations69
US5244544ASep 14, 1993
Process for the separation of multicomponent systems containing intermediate boiling substances in separating columns with side discharge
BAYER AG8 citations69
US5198525AMar 30, 1993
Aromatic copolyether sulfones
BAYER AG12 citations69
US5115076AMay 19, 1992
Aromatic copolyether ketones of dihydroxydiphenyl alkanes and phthaleins and a process for their production
BAYER AG9 citations69
US5260418ANov 9, 1993
Washing of polycarbonates with cascading train of centrifuges
BAYER AG6 citations63
US5248763ASep 28, 1993
Isolation of poly(ester)carbonates from methylene chloride using carbon dioxide fluid
BAYER AG2 citations63
US5149761ASep 22, 1992
Aromatic ether imides
BAYER AG2 citations63
US4994579AFeb 19, 1991
Aromatic ether imides
BAYER AG4 citations63
US5138031AAug 11, 1992
Linear and branched poly-p-arylene sulfide substantially free from defect structures having plural absorption maxima
BAYER AG4 citations62
US5250658AOct 5, 1993
Isolation of polycarbonate with carbon dioxide
BAYER AG2 citations61
US5275758AJan 4, 1994
Production of ultrafine suspensions of bisphenol, sodium hydroxide and water
BAYER AG5 citations60