Patents by Inventor Joseph A. Stretanski

Joseph A. Stretanski 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).

  • Publication number: 20090203817
    Abstract: Compounds of the formula (I) as defined herein are useful for stabilizing spandex. Stabilized spandex compositions are obtained by intermixing spandex polymer or prepolymer with stabilizing amounts of one or more compounds of the formula (I). Preferred stabilized spandex polymer or prepolymer compositions exhibit improved color stability.
    Type: Application
    Filed: April 12, 2007
    Publication date: August 13, 2009
    Inventors: Joseph A. Stretanski, Thomas Sassi, Ram B. Gupta
  • Publication number: 20050049337
    Abstract: This invention relates to an UV stabilizing additive composition comprising an ortho-hydroxy triazine compound, a hindered hydroxybenzoate compound and optionally a hindered amine compound. This additive composition may be used to stabilize materials from UV radiation. This invention also contemplates a method of stabilizing a material by contacting the material with the UV stabilizing additive composition.
    Type: Application
    Filed: October 14, 2004
    Publication date: March 3, 2005
    Inventors: Joseph Stretanski, Brent Sanders
  • Patent number: 6843939
    Abstract: This invention relates to an UV stabilizing additive composition comprising an ortho-hydroxy triazine compound, a hindered hydroxybenzoate compound and optionally a hindered amine compound. This additive composition may be used to stabilize materials from UV radiation. This invention also contemplates a method of stabilizing a material by contacting the material with the UV stabilizing additive composition.
    Type: Grant
    Filed: December 10, 2002
    Date of Patent: January 18, 2005
    Assignee: Cytec Technology Corp.
    Inventors: Joseph A. Stretanski, Brent M. Sanders
  • Publication number: 20030162868
    Abstract: This invention relates to an UV stabilizing additive composition comprising an ortho-hydroxy triazine compound, a hindered hydroxybenzoate compound and optionally a hindered amine compound. This additive composition may be used to stabilize materials from UV radiation. This invention also contemplates a method of stabilizing a material by contacting the material with the UV stabilizing additive composition.
    Type: Application
    Filed: December 10, 2002
    Publication date: August 28, 2003
    Inventors: Joseph A. Stretanski, Brent M. Sanders
  • Patent number: 4670491
    Abstract: Polyolefin compositions which are pigmented with titanium dioxide are rendered actinic radiation stabilized by incorporating therein a C.sub.12-20 alkyl ester of 3,5-di-tert.butyl-4-hydroxybenzoic acid.
    Type: Grant
    Filed: August 14, 1985
    Date of Patent: June 2, 1987
    Assignee: American Cyanamid Company
    Inventors: Joseph A. Stretanski, Frank F. Loffelman
  • Patent number: 4240954
    Abstract: Polymers are stabilized against ultraviolet degradation by the use of urea or thiourea derivatives of the formula: ##STR1## Also disclosed is the use of the above compound with specific hydroxybenzoates or titanium dioxide.
    Type: Grant
    Filed: February 26, 1979
    Date of Patent: December 23, 1980
    Assignee: American Cyanamid Company
    Inventor: Joseph A. Stretanski
  • Patent number: 4237042
    Abstract: Polyolefins are stabilized from light-induced degradation through incorporating a combination of n-hexadecyl 3,5-di-t.butyl-4-hydroxybenzoate and a dialkyl pentaerythrityl diphosphite. Further improvement is obtained by incorporating a benzotriazole or benzophenone.
    Type: Grant
    Filed: October 13, 1978
    Date of Patent: December 2, 1980
    Assignee: American Cyanamid Company
    Inventor: Joseph A. Stretanski