Patents by Inventor Joseph E. Babiarz

Joseph E. Babiarz 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).

  • Substituted 1,4-diamino-2-butene stabilizers
    Patent number: 5283367
    Abstract: N,N,N',N'-Tetrasubstituted 1,4-diamino-2-butenes where the substituents are alkyl, cycloalkyl, aralkyl, aryl or mixtures thereof provide effective antioxidant protection to lubricants and/or synthetic polymers.
    Type: Grant
    Filed: May 16, 1991
    Date of Patent: February 1, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Joseph E. Babiarz, Glen T. Cunkle, Werner Rutsch
  • N-alkenyl substituted amine-N-oxide stabilizers
    Patent number: 5268114
    Abstract: N-Alkenyl substituted hydroxylamines of formula I ##STR1## where R.sub.1 and R.sub.2 are independently hydrogen, alkyl, aryl or phenylalkyl, and R.sub.3 to R.sub.7 are independently hydrogen, alkyl or substituted alkyl are very effective process stabilizers for polymeric systems providing melt flow stabilization and resistance to discoloration during processing at elevated temperatures as well as effective stabilizers for lubricant compositions.
    Type: Grant
    Filed: July 24, 1992
    Date of Patent: December 7, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Paul Odorisio, Joseph E. Babiarz
  • N-allyl substituted phenylenediamine stabilizers
    Patent number: 5213699
    Abstract: N-Allyl substituted p-phenylenediamine compounds are very effective antioxidant stabilizers for organic material subject to oxidative or thermal degradation, particularly for lubricant compositions.
    Type: Grant
    Filed: September 10, 1992
    Date of Patent: May 25, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Joseph E. Babiarz, Thelma Spivack
  • 2,6-diarylpiperidin-1-yl substituted 2-butene stabilizers
    Patent number: 5204474
    Abstract: 2,6-Diarylpiperidin-1-yl substituted 2-butene stabilizers of the formula I or IIT--CH.sub.2 --CH.dbd.CH--CH.sub.2 --T (I)T--CH.sub.2 --CH.dbd.CH--CH.sub.2 --N(E.sub.1)(E.sub.2) (II)where T is a 2,6-diarylpiperidin-1-yl moiety and E.sub.1 and E.sub.2 are independently alkyl, cycloalkyl, aralkyl or aryl, are effective in stabilizing organic materials against the deleterious effects of oxygen, heat and actinic radiation.
    Type: Grant
    Filed: June 3, 1991
    Date of Patent: April 20, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Glen T. Cunkle, Joseph E. Babiarz
  • N-alkenyl substituted amine-N-oxide stabilizers
    Patent number: 5162408
    Abstract: N-Alkenyl substituted hydroxylamines of formula I ##STR1## where R.sub.1 and R.sub.2 are independently hydrogen, alkyl, aryl or phenylalkyl, and R.sub.3 to R.sub.7 are independently hydrogen, alkyl or substituted alkyl are very effective process stabilizers for polymeric systems providing melt flow stabilization and resistance to discoloration during processing at elevated temperatures as well as effective stabilizers for lubricant compositions.
    Type: Grant
    Filed: September 26, 1991
    Date of Patent: November 10, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Paul Odorisio, Joseph E. Babiarz
  • Substituted 1,4-diamino-2-butyne or propargylamine as stabilizers for compositions
    Patent number: 5151459
    Abstract: N,N,N',N'-Tetrasubstituted 1,4-diamino-2-butynes or N,N-disubstituted propargylamines where the substituents are alkyl, cycloalkyl, phenylalkyl, aryl or mixtures thereof provide effective antioxidant protection to lubricants and/or synthetic polymers.
    Type: Grant
    Filed: May 16, 1991
    Date of Patent: September 29, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Joseph E. Babiarz, Werner Rutsch
  • N-alkenyl substituted amine-N-oxide stabilizers
    Patent number: 5081300
    Abstract: N-substituted hydroxylamines of formula I ##STR1## where R.sub.1 and R.sub.2 are independently hydrogen, alkyl, alkenyl, aryl or phenylalkyl, and R.sub.3 to R.sub.7 are independently hydrogen, alkyl or substituted alkyl are very effective process stabilizers for polymeric systems providing melt flow stabilization and resistance to discoloration during processing at elevated temperatures as well as effective stabilizers for lubricant compositions.
    Type: Grant
    Filed: April 24, 1990
    Date of Patent: January 14, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Paul Odorisio, Joseph E. Babiarz
  • O-alkenyl substituted hydroxylamine stabilizers
    Patent number: 5045583
    Abstract: O-Alkenyl substituted hydroxylamines of formula I ##STR1## where R.sub.1 and R.sub.2 are independently hydrogen, alkyl, alkenyl, aryl or phenylalkyl, and R.sub.3 to R.sub.7 are independently hydrogen, alkyl or substituted alkyl are very effective process stabilizers for polymeric systems providing melt flow stabilization and resistance to discoloration during processing at elevated temperatures as well as effective stabilizers for lubricant compositions.
    Type: Grant
    Filed: April 24, 1990
    Date of Patent: September 3, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Paul A. Odorisio, Joseph E Babiarz, Roger Meuwly, Werner Rutsch