Patents by Inventor Ilse Stoll

Ilse Stoll 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).

  • Synthesis of neoalkanes
    Patent number: 4593147
    Abstract: Neoalkanes of the formula R.sub.1 R.sub.2 R.sub.3 CCH.sub.3 are synthesized by hydrogenation of a neoacid of the formula R.sub.1 R.sub.2 R.sub.3 CCOOH or a neoalcohol of the formula R.sub.1 R.sub.2 R.sub.3 CCH.sub.2 OH, wherein R.sub.1, R.sub.2 and R.sub.3 are the same or different alkyl of 1-10 carbon atoms, at a temperature of 250.degree.-500.degree. C. over a copper oxide/zinc oxide catalyst.
    Type: Grant
    Filed: November 1, 1984
    Date of Patent: June 3, 1986
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Stephen A. Butter, Ilse Stoll
  • Synthesis of neoalkanols
    Patent number: 4588848
    Abstract: Neoalkanols of the formula R.sub.1 R.sub.2 R.sub.3 CCH.sub.2 OH are synthesized by hydrogenation of a neoacid of the formula R.sub.1 R.sub.2 R.sub.3 CCOOH, wherein R.sub.1, R.sub.2 and R.sub.3 are the same or different alkyl of 1-10 carbon atoms, at a temperature of 175.degree.-350.degree. C. and a hydrogen pressure of 10-100 Kg/cm.sup.2 over a copper oxide/zinc oxide hydrogenation catalyst.
    Type: Grant
    Filed: November 1, 1984
    Date of Patent: May 13, 1986
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Stephen A. Butter, Ilse Stoll