Inventor
OHLSON JOHN L
4 patents
Patents
4 patentsUS4338460AJul 6, 1982
Process for preparing chelating agents
GRACE W R & CO20 citations80
US4225502ASep 30, 1980
N,N'Di(hydroxybenzyl) 1,3-propanediamine N,N'-diacetonitriles
GRACE W R & CO19 citations80
US4421826ADec 20, 1983
Polyurethane polymer amine salt as a dyeing aid, particularly for polyolefin fibers
GRACE W R & CO23 citations79
US4152345AMay 1, 1979
Metal chelates
GRACE W R & CO13 citations71