Inventor
PFEIFFER RONALD E
13 patents
Patents
13 patentsUS4346053AAug 24, 1982
Process for melt-spinning hollow fibers
AMERICAN CYANAMID CO13 citations73
US4278415AJul 14, 1981
Apparatus for melt spinning hollow fibers
AMERICAN CYANAMID CO13 citations73
US4394339AJul 19, 1983
Process for preparing open structure fibers
AMERICAN CYANAMID CO8 citations72
US4316714AFeb 23, 1982
Apparatus for preparing open structure fibers
AMERICAN CYANAMID CO10 citations72
US4301107ANov 17, 1981
Melt-spinning a plurality of acrylonitrile polymer fibers
AMERICAN CYANAMID CO11 citations71
US5130195AJul 14, 1992
Reversible crimp bicomponent acrylic fibers
AMERICAN CYANAMID CO12 citations70
US4318680AMar 9, 1982
Spinnerette plate having multiple capillaries per counterbore for melt spinning fusion melts of acrylonitrile polymer and water
AMERICAN CYANAMID CO16 citations70
US4254076AMar 3, 1981
Melt-spinning acrylonitrile polymer fiber using spinnerette plate with multiple capillaries per counterbore
AMERICAN CYANAMID CO8 citations70
US4220617ASep 2, 1980
Process for melt-spinning acrylonitrile polymer fiber
AMERICAN CYANAMID CO9 citations70
US4261945AApr 14, 1981
Method for providing shaped fiber
AMERICAN CYANAMID CO13 citations69
US4220616ASep 2, 1980
Melt-spinning acrylonitrile polymer fiber using spinnerette of high orifice density
AMERICAN CYANAMID CO16 citations66
US4296175AOct 20, 1981
Hollow acrylonitrile polymer fiber
AMERICAN CYANAMID CO3 citations60
US5232647AAug 3, 1993
Process of making bicomponent acrylic fibers having reversible crimp
AMERICAN CYANAMID CO6 citations59