Patents by Inventor Alfred Gluecksmann

Alfred Gluecksmann has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Removal of unreacted tolylene diisocyanate from urethane prepolymers
    Patent number: 4169175
    Abstract: Disclosed herein are improved urethane prepolymers comprising the reaction product of a polyol with a monomeric isocyanate. The amount of residual unreacted monomeric isocyanate in said prepolymer is less than about 0.7% by weight of said prepolymer.
    Type: Grant
    Filed: October 11, 1977
    Date of Patent: September 25, 1979
    Assignee: W. R. Grace & Co.
    Inventors: Nelson S. Marans, Alfred Gluecksmann
  • Removal of unreacted tolylene diisocyanate from urethane prepolymers
    Patent number: 4061662
    Abstract: A process is described which is effective in removing unreacted tolylene diisocyanate (TDI) from a polyisocyanate by bringing said polyisocyanate into contact with molecular sieves.
    Type: Grant
    Filed: June 14, 1976
    Date of Patent: December 6, 1977
    Assignee: W. R. Grace & Co.
    Inventors: Nelson Samuel Marans, Alfred Gluecksmann
  • Flame retardant permanent press
    Patent number: 4045396
    Abstract: Fire retardancy and wrinkle resistance are imparted to cellulosic textiles by impregnation of said textiles with the phosphoalkylated reaction product of a polyisocyanate and an alkyleneamine.
    Type: Grant
    Filed: October 20, 1976
    Date of Patent: August 30, 1977
    Assignee: W. R. Grace & Co.
    Inventors: Nelson Samuel Marans, Alfred Gluecksmann