Patents by Inventor Paul A. Odorisio

Paul A. Odorisio 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).

  • Patent number: 5244953
    Abstract: Substituted 1-aminonaphthalenes of formula I ##STR1## wherein n is 1-3, Ar is arylene, R.sub.1 and R.sub.2 are independently hydrogen, alkyl or phenyl, R.sub.3 is hydrogen, alkyl or substituted alkyl, and R.sub.4 and R.sub.5 have independently the same definitions as R.sub.3 or are independently aryl, substituted aryl or cycloalkyl, are effective stabilizers for lubricating oil or polymer compositions. The instant compounds are particularly effective in lubricating oil compositions when used with a diarylamine antioxidant.
    Type: Grant
    Filed: August 10, 1992
    Date of Patent: September 14, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Paul A. Odorisio, David E. Chasen, Stephen D. Pastor
  • Patent number: 5239103
    Abstract: 3,7,9-Trioxa-1-aza-2,8-diphosphaspiro[4.5]decanes of formula I ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen, alkyl, cycloalkyl, bicycloalkyl, tricycloalkyl or aryl; or can be halogen when n or m is zero,R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are independently hydrogen, alkyl, aralkyl or aryl;X and Y are independently --O--, --S-- or --NR.sub.16 -- where R.sub.16 is alkyl, cycloalkyl, alkenyl, aryl or aralkyl;W and Z are independently O or S; andn, m, o and p are independently zero or 1, are effective in stabilizing organic materials against the deleterious effects of oxygen, heat and/or actinic radiation.
    Type: Grant
    Filed: November 12, 1992
    Date of Patent: August 24, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Raymond Seltzer, Paul A. Odorisio, Sai P. Shum, Stephen D. Pastor
  • Patent number: 5230816
    Abstract: Compounds of formula I ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each 2-ethylhexyl or are independently higher alkyl, or R.sub.1 and R.sub.2 are independently hydrogen or methyl, and R.sub.3 and R.sub.4 are independently higher alkyl are effective processing stabilizers for polymers processed at elevated temperatures by preventing polymer degradation and providing resistance to discoloration. The compounds of formula I also exhibit superior hydrolytic stability and resist moisture pickup on storage.
    Type: Grant
    Filed: May 5, 1992
    Date of Patent: July 27, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Stephen D. Pastor, Paul A. Odorisio
  • Patent number: 5187213
    Abstract: 3,7,9-Trioxa-1-aza-2,8-diphosphaspiro[4.5]decanes of formula I ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen, alkyl, cycloalkyl, bicycloalkyl, tricycloalkyl or aryl; or can be halogen when n or m is zero,R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are independently hydrogen, alkyl, aralkyl or aryl;X and Y are independently --O--, --S-- or --NR.sub.16 -- where R.sub.16 is alkyl, cycloalkyl, alkenyl, aryl or aralkyl;W and Z are independently O or S; andn, m, o and p are independently zero or 1, are effective in stabilizing organic materials against the deleterious effects of oxygen, heat and/or actinic radiation.
    Type: Grant
    Filed: February 27, 1992
    Date of Patent: February 16, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Raymond Seltzer, Paul A. Odorisio, Sai P. Shum, Stephen D. Pastor
  • Patent number: 5185448
    Abstract: Substituted 1-oxy-4-acyloxypiperidines or 1-oxy-4-acylaminopiperidines of formula I ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently hydrogen, alkyl or substituted alkyl, R.sub.5 is hydrogen, alkyl, cycloalkyl, allyl or benzyl, X is --O-- or --NE--, E is hydrogen, alkyl or cycloalkyl, A is an n-valent aliphatic or aromatic hydrocarbon radical, and n is 1 to 4 are effective in providing melt flow stabilization to polymeric materials during processing.
    Type: Grant
    Filed: May 7, 1991
    Date of Patent: February 9, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Paul A. Odorisio, Sai P. Shum
  • 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
  • Patent number: 5160647
    Abstract: Substituted 1-aminonaphthalenes of formula I ##STR1## wherein n is 1-3, Ar is arylene, R.sub.1 and R.sub.2 are independently hydrogen, alkyl or phenyl, R.sub.3 is hydrogen, alkyl or substituted alkyl, and R.sub.4 and R.sub.5 have independently the same definitions as R.sub.3 or are independently aryl, substituted aryl or cycloalkyl, are effective stabilizers for lubricating oil or polymer compositions. The instant compounds are particularly effective in lubricating oil compositions when used with a diarylamine antioxidant.
    Type: Grant
    Filed: May 7, 1991
    Date of Patent: November 3, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Paul A. Odorisio, David E. Chasan, Stephen D. Pastor
  • Patent number: 5147909
    Abstract: Substituted 1,3,2-benzoxazaphospholidines of formula I ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are independently hydrogen, alkyl, cycloalkyl, phenylalkyl or aryl, n is 1 to 4, and T is an n-valent aliphatic or aromatic hydrocarbon radical are effective in stabilizing organic materials against the deleterious effects of oxygen, heat and actinic radiation.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: September 15, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Paul A. Odorisio, Stephen D. Pastor, James L. Hyun
  • Patent number: 5147910
    Abstract: Substituted 3H-1,3,2-oxazaphospholidines of formula I ##STR1## where R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently hydrogen, alkyl, cycloalkyl, phenylalkyl or aryl, n is 1 to 4 and T is an n-valent aliphatic or aromatic hydrocarbon radical are effective in stabilizing organic materials against the deleterious effects of oxygen, heat and/or actinic radiation.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: September 15, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Paul A. Odorisio, James L. Hyun, Sai P. Shum, Raymond Seltzer
  • Patent number: 5147911
    Abstract: Compounds of formula I ##STR1## wherein n is 2-4, R.sub.1 is alkyl, cycloalkyl, phenylalkyl, phenyl or a radical of formula II ##STR2## R.sub.2, R.sub.3 and R.sub.4 are independently hydrogen, alkyl, cycloalkyl, phenylalkyl or aryl, or R.sub.3 and R.sub.4 together are alkyl, R.sub.5 and R.sub.6 are independently hydrogen, alkyl, cycloalkyl or phenylalkyl, R.sub.7 is hydrogen, alkyl or a group of the formula --(CH.sub.2).sub.k COOR.sub.8, where k is 0-2 and R.sub.8 is hydrogen or alkyl, and T is an n-valent hydrocarbon radical which may be interrupted by heteroatoms, are useful stabilizers for substrates subject to the deleterious effects of oxygen, heat and/or actinic radiation.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: September 15, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Peter Hofmann, Paul A. Odorisio, Glen T. Cunkle, Don Sabrsula
  • Patent number: 5134183
    Abstract: Sterically hindered oximes provide polyolefin compositions, including those also containing a phenolic antioxidant, with improved resistance to discoloration during processing at elevated temperatures.
    Type: Grant
    Filed: October 22, 1990
    Date of Patent: July 28, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Stephen D. Pastor, Paul A. Odorisio
  • Patent number: 5132426
    Abstract: 3,7,9-Trioxa-1-aza-2,8-diphosphaspiro[4.5]decanes of formula I ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen, alkyl, cycloalkyl, bicycloalkyl, tricycloalkyl or aryl; or can be halogen when n or m is zero,R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are independently hydrogen, alkyl, aralkyl or aryl;X and Y are independently --O--, --S-- or --NR.sub.16 -- where R.sub.16 is alkyl, cycloalkyl, alkenyl, aryl or aralkyl;W and Z are independently O or S; andn, m, o and p are independently zero or 1, are effective in stabilizing organic materials against the deleterious effects of oxygen, heat and/or actinic radiation.
    Type: Grant
    Filed: May 20, 1991
    Date of Patent: July 21, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Raymond Seltzer, Paul A. Odorisio, Sai P. Shum, Stephen D. Pastor
  • 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
  • Patent number: 5075481
    Abstract: Compounds of formula I ##STR1## wherein n is 2-4, R.sub.1 is alkyl, cycloalkyl, phenylalkyl, phenyl or a radical of formula II ##STR2## R.sub.2, R.sub.3 and R.sub.4 are independently hydrogen, alkyl, cycloalkyl, phenylalkyl or aryl, or R.sub.3 and R.sub.4 together are alkylene, R.sub.5 and R.sub.6 are independently hydrogen, alkyl, cycloalkyl or phenylalkyl, R.sub.7 is hydrogen, alkyl or a group of the formula --(CH.sub.2).sub.k COOR.sub.8, where k is 0-2 and R.sub.8 is hydrogen or alkyl, and T is an n-valent hydrocarbon radical which may be interrupted by heteroatoms, are useful stabilizers for substrates subject to the deleterious effects of oxygen, heat and/or actinic radiation.
    Type: Grant
    Filed: August 23, 1990
    Date of Patent: December 24, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Peter Hofmann, Paul A. Odorisio, Glen T. Cunkle, Don Sabrsula
  • Patent number: 5075483
    Abstract: Substituted 1,3,2-benzoxazaphospholidines of formula I ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are independently hydrogen, alkyl, cycloalkyl, phenylalkyl or aryl, n is 1 to 4, and T is an n-valent aliphatic or aromatic hydrocarbon radical are effective in stabilizing organic materials against the deleterious effects of oxygen, heat and actinic radiation.
    Type: Grant
    Filed: August 23, 1990
    Date of Patent: December 24, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Paul A. Odorisio, Stephen D. Pastor, James L. Hyun
  • Patent number: 5075484
    Abstract: Substituted 3H-1,3,2-oxazaphospholidines of formula I ##STR1## where R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently hydrogen, alkyl, cycloalkyl, phenylalkyl or aryl, n is 1 to 4 and T is an n-valent aliphatic or aromatic hydrocarbon radical are effective in stabilizing organic materials against the deleterious effects of oxygen, heat and/or actinic radiation.
    Type: Grant
    Filed: August 23, 1990
    Date of Patent: December 24, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Paul A. Odorisio, James L. Hyun, Sai P. Shum, Raymond Seltzer
  • Patent number: 5075482
    Abstract: 3,7,9-Trioxa-1-aza-2,8-diphosphaspiro[4.5]decanes of formula I ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen, alkyl, cycloalkyl, bicycloalkyl, tricycloalkyl or aryl; or can be halogen when n or m is zero,R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are independently hydrogen, alkyl, aralkyl or aryl;X and Y are independently --O-- --S--, or --NR.sub.16 -- where R.sub.16 is alkyl, cycloalkyl, alkenyl, aryl or aralkyl;W and Z are independently O or S; andn, m, o and p are independently zero or 1, are effective in stabilizing organic materials against the deleterious effects of oxygen, heat and/or actinic radiation.
    Type: Grant
    Filed: August 23, 1990
    Date of Patent: December 24, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Raymond Seltzer, Paul A. Odorisio, Sai P. Shum, Stephen D. Pastor
  • 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
  • Patent number: 5019612
    Abstract: 6-(4-hydroxyphenyl)-4,5-dihydro-3(2H)-pyridazinones of formula I ##STR1## where R.sub.1 and R.sub.2 are independently alkyl, cycloalkyl, aryl or aralkyl, R.sub.3 and R.sub.4 are independently hydrogen or alkyl, n is 1 to 4 and T is hydrogen, alkyl, substituted alkyl, alkylene or arylene, are effective in stabilizing organic materials against oxidative, thermal and actinic degradation.
    Type: Grant
    Filed: August 8, 1989
    Date of Patent: May 28, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Paul A. Odorisio, Stephen D. Pastor
  • Patent number: 5013510
    Abstract: N,N-Dialkylhydroxylamines where the alkyl groups are of 10 to 30 carbon atoms are prepared by an improved process involving the direct oxidation of the corresponding N,N-dialkylamines with aqueous hydrogen peroxide in a lower alkanol solvent in the absence of a catalyst or a sequestering agent.The improved process prevents the problem of over-oxidation and gives the desired N,N-dialkylhydroxylamine in high yield and purity. The N,N-dialkylhydroxylamines are effective stabilizers for polymer compositions particularly as process stabilizers for polyolefins.
    Type: Grant
    Filed: June 14, 1989
    Date of Patent: May 7, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Stephen D. Pastor, Paul A. Odorisio