Inventor
HEYMAN DUANE A
US28 patents
⚠️ This page may combine multiple inventors who share the name “HEYMAN DUANE A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF CORP
15 patentsUS5607982AMar 4, 1997
Flexible open-cell polyurethane foam
BASF CORP29 citations92
US5093412AMar 3, 1992
Macromers for graft polyols and the polyols prepared therefrom
BASF CORP44 citations92
US4690956ASep 1, 1987
Process for the preparation of graft polymer dispersions and flame-retardant polyurethane foams
BASF CORP49 citations92
US4689354AAug 25, 1987
Process for the preparation of white graft polymer dispersions and flame-retardant polyurethane foams
BASF CORP33 citations92
US6172164B1Jan 9, 2001
Process for making graft polyols using t-amyl peroxy free radical initiator
BASF CORP26 citations89
US6710096B2Mar 23, 2004
Polyether polyol for foam applications
BASF CORP18 citations82
US4661531AApr 28, 1987
Process for preparing graft polymer dispersions and polyurethanes prepared therefrom
BASF CORP21 citations82
US5198473AMar 30, 1993
Polyurethane foams of increased flame retardancy
BASF CORP18 citations73
US6255431B1Jul 3, 2001
Compositions of polytetramethylene ether glycols and polyoxy alkylene polyether polyols having a low degree of unsaturation
BASF CORP13 citations72
US6040413AMar 21, 2000
Composition of polytetramethylene ether glycols and polyoxy alkylene polyether polyols having a low degree of unsaturation
BASF CORP7 citations72
US5919972AJul 6, 1999
Graft polymer dispersion having a third monomer and polyurethane foams having a reduced tendency to shrink prepared thereby
BASF CORP4 citations62
US5863959AJan 26, 1999
Graft polymer dispersion having a third monomer and polyurethane foams having a reduced tendency to shrink prepared thereby
BASF CORP2 citations62
US5741851AApr 21, 1998
Graft polymer dispersion having a third monomer and polyurethane foams having a reduced tendency to shrink prepared thereby
BASF CORP4 citations62
US5710220AJan 20, 1998
Graft polymer dispersion having a third monomer and polyurethane foams having a reduced tendency to shrink prepared thereby
BASF CORP2 citations62
US6780932B2Aug 24, 2004
Graft polyols prepared by a continuous process
BASF CORP6 citations60
BASF WYANDOTTE CORP
12 patentsUS4458038AJul 3, 1984
Process for the preparation of white graft polymer dispersions and flame-retardant polyurethane foams
BASF WYANDOTTE CORP57 citations96
US4454255AJun 12, 1984
Process for the preparation of white graft polymer dispersions and flame-retardant polyurethane foams
BASF WYANDOTTE CORP70 citations96
US4568705AFeb 4, 1986
Graft polymer dispersion in a mixture of low molecular weight polyols and polyether polyols and polyurethane foams prepared therefrom
BASF WYANDOTTE CORP35 citations92
US4522976AJun 11, 1985
Graft polymer dispersion in a mixture of low molecular weight polyols and polyether polyols and polyurethane foams prepared therefrom
BASF WYANDOTTE CORP49 citations92
US4458050AJul 3, 1984
Polymer dispersions and their uses
BASF WYANDOTTE CORP27 citations92
US4334049AJun 8, 1982
Process for the preparation of finely divided solid polymers in polyol
BASF WYANDOTTE CORP24 citations82
US4327005AApr 27, 1982
Process for the preparation of stabilized polymer dispersions in polyol at low temperature
BASF WYANDOTTE CORP27 citations82
US4536557AAug 20, 1985
Polymer dispersions and their uses
BASF WYANDOTTE CORP7 citations74
US4503207AMar 5, 1985
Process for the preparation of acrylamide graft polymer dispersions
BASF WYANDOTTE CORP9 citations74
US4334031AJun 8, 1982
Flame-retardant polyurethane foam prepared by incorporating a graft polymer having a particle size greater than 0.5 micron
BASF WYANDOTTE CORP8 citations74
US4555527ANov 26, 1985
Process for the preparation of acrylamide graft polymer dispersions
BASF WYANDOTTE CORP5 citations63
US4503193AMar 5, 1985
Polymer dispersions and their uses
BASF WYANDOTTE CORP3 citations63