Inventor
HESPE HANS
US5 patents
Patents
5 patentsUS4025492AMay 24, 1977
Thermoplastic copolyesters and a process for their production
BAYER AG78 citations95
US4250292AFeb 10, 1981
Process for the preparation of polyurethane elastomers in which at least two reactant portions are introduced into separate positions of a screw machine
BAYER AG31 citations92
US4820580AApr 11, 1989
Process for the production of a composite system of a highly elastic material and a polyurethane foam layer and product formed thereby
BAYER AG24 citations89
US4225698ASep 30, 1980
Optical components consisting of aromatic polyesters molded in the form of an optical lens
BAYER AG12 citations72
US4420225ADec 13, 1983
Lens of a homo- or copolymer of a fluorine containing styrene polymer
BAYER AG18 citations71