Inventor
DUENWALD WILLI
19 patents
Patents
19 patentsUS4465839AAug 14, 1984
Process for the production of hydantoins
BAYER AG31 citations92
US4954577ASep 4, 1990
Lacquer binders, coating compositions and wire enamels based on polyamideimides and isocyanates carrying carbodiimide and/or uretone imine groups
BAYER AG20 citations81
US5126479AJun 30, 1992
Process for the production of blocked polyisocyanates containing carbodiimide groups, the polyisocyanates obtainable by this process and their use for the production of plastics
BAYER AG10 citations74
US4546162AOct 8, 1985
Polyamidoimides prepared from trimelitic acid anhydride, isocyanates and either lactams or polyamides using a mixture of diisocyanatodiphenylmethane and tolylene diisocyanates
BAYER AG7 citations74
US4517353AMay 14, 1985
Process for preparation of hydantoin esters through a masked polyisocyanate-carbodiimide route
BAYER AG8 citations74
US4565843AJan 21, 1986
Lacquer solutions based on hydantoin group-containing polymers
BAYER AG11 citations73
US4444845AApr 24, 1984
Process for the production of coatings and the use of N,N',N"-tris-(2-hydroxyethyl)-isocyanurate as additives for polyurethane based wire lacquers
BAYER AG12 citations73
US4293669AOct 6, 1981
Heat-resistant cross-linked polymers and the use thereof as binders
BAYER AG10 citations73
US4246393AJan 20, 1981
Process for the preparation of poly(thio)hydantoins
BAYER AG6 citations73
US4472567ASep 18, 1984
Process for the production of polyamide imides
BAYER AG4 citations63
US5126422AJun 30, 1992
Coating compositions and coated heat-resistant substrates prepared therefrom
BAYER AG3 citations62
US4853261AAug 1, 1989
Process for the preparation of coatings with hydantoin structures by the reaction of compounds containing carbodiimide groups with unsaturated carboxylic acids
BAYER AG3 citations62
US4465840AAug 14, 1984
Process for the production of (thio) hydantoins
BAYER AG2 citations62
US4298515ANov 3, 1981
Process for the preparation of polymers containing hydantoin groups
BAYER AG2 citations62
US4281095AJul 28, 1981
Coating compositions obtained by reacting amino carboxylic acids derivatives with polyisocyanates and compounds containing carboxylic groups to produce polymers containing hydantoin rings and amide groups
BAYER AG6 citations62
US4269750AMay 26, 1981
Process for the preparation of polymers containing hydantoin groups
BAYER AG3 citations62
US4448942AMay 15, 1984
Process for the production of hydantoins
BAYER AG2 citations58
US4289868ASep 15, 1981
Polyhydantoins from unsaturated carboxylic acids and polyiso(thio)cyanates
BAYER AG1 citations51
US5061515AOct 29, 1991
Lacquer binders, a process for coating heat resistant substrates and the coated substrates
BAYER AG0 citations50