Inventor
SENTMAN ROBERT C
US13 patents
Patents
13 patentsUS4568736AFeb 4, 1986
Preparation of polyamide from omega-aminonitrile with oxygen containing phosphorus catalyst
STANDARD OIL CO OHIO51 citations96
US4725666AFeb 16, 1988
Process for the manufacture of polyamide from diamine and dinitrile utilizing (1) copper containing compound and (2) oxygen containing compound of phosphorus or sulfur as catalyst mixture
STANDARD OIL CO OHIO27 citations92
US4629776ADec 16, 1986
Process for the preparation of polyamide from omega-aminonitrile utilizing an oxygenated sulfur compound as catalyst
STANDARD OIL CO OHIO23 citations82
US4749776AJun 7, 1988
Process for the manufacture of polyamide from dinitrile and diamine in contact with an ester of an oxygenated phosphorus compound catalyst and a strong base
STANDARD OIL CO OHIO11 citations73
US4734487AMar 29, 1988
Process for the manufacture of polyamides from diamine and diamide utilizing carboxamide as catalyst
STANDARD OIL CO OHIO7 citations73
US4719285AJan 12, 1988
Process for the manufacture of polyamide from diamines and diamides catalyzed by silicon compounds
STANDARD OIL CO OHIO8 citations73
US4640976AFeb 3, 1987
Process for the manufacture of polyamide from diamine and diamide utilizing oxygenated compound of carbon, boron, nitrogen and sulfur as catalyst
STANDARD OIL CO OHIO13 citations73
US4543407ASep 24, 1985
Catalytic process for the manufacture of polyamides from diamines and diamides
STANDARD OIL CO OHIO16 citations73
US4542205ASep 17, 1985
Process for the manufacture of polyamides utilizing a mixture of an oxygenated phosphorus compound and a molybdenum compound as catalyst
STANDARD OIL CO OHIO7 citations73
US4490521ADec 25, 1984
Preparation of spinnable polyamide from dinitrile/diamine/water with metal salt of oxygenated phosphorus compound catalyst
STANDARD OIL CO OHIO14 citations73
US4603192AJul 29, 1986
Process for the manufacture of spinnable polyamides utilizing a mixture of an oxygenated phosphorus compound and an oxygenated boron compound as catalyst
STANDARD OIL CO OHIO13 citations70
US4732965AMar 22, 1988
Process for the manufacture of polyamides from diamine and diamide utilizing urea as catalyst
STANDARD OIL CO OHIO4 citations62
US4689394AAug 25, 1987
Process for the manufacture of polyamide from diamine and diamide utilizing phosphorus amide as catalyst
STANDARD OIL CO OHIO4 citations62