Patents by Inventor Osvaldo Cicchetti

Osvaldo Cicchetti 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).

  • Process for the production of flame retarding additives for polymer compositions, and products obtained from said process
    Patent number: 5948837
    Abstract: Flame retarding additives prepared by way of reaction of:A) one or more nitrogenous organic compounds of a defined formula;B) P.sub.2 O.sub.5 ;C) H.sub.2 O.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: September 7, 1999
    Assignee: Montell North America Inc.
    Inventors: Osvaldo Cicchetti, Alfonso Bevilacqua, Alberto Pagliari
  • Piperazine cyanurate and polymer compositions comprising it
    Patent number: 5182321
    Abstract: Piperazine cyanurate with specified formula and its use in the preparation of self-extinguishing polymer compositions.
    Type: Grant
    Filed: December 18, 1991
    Date of Patent: January 26, 1993
    Assignee: HIMONT Incorporated
    Inventors: Guido Bertelli, Osvaldo Cicchetti, Paolo Goberti, Renato Locatelli
  • Salts of aminic organic peroxides
    Patent number: 4499273
    Abstract: There are disclosed new organic peroxides having two peroxy functional groups and containing in their molecule an atom of salified aminic nitrogen, having the general formula: ##STR1## in which: R.sub.1, R.sub.2 are each an alkyl radical having 1 to 8 carbon atoms, optionally aryl-substituted, preferably a tertiary alkyl group such as t.butyl, t.amyl, t.octyl and cumyl;R.sub.3 is a hydrogen, an alkyl radical having 1 to 8 carbon atoms, a cycloalkyl having 5-6 carbon atoms in the ring, an aryl, an arylalkyl optionally halogen, alkoxy-, carboalkoxy-, alkyl-, mono- or poly-substituted;R.sub.4 is the methylene, ethylene or trimethylene radical, optionally halogen-, alkoxy-, carboalkoxy-, aryl-, alkyl-, mono- or poly-substituted;R.sub.
    Type: Grant
    Filed: December 21, 1982
    Date of Patent: February 12, 1985
    Inventors: Alberto Fontana, Renzo Fontanelli, Egeo Sacrini, Osvaldo Cicchetti
  • N,N-Di-(hydroxy-phenyl) derivatives of piperazine and use thereof as stabilizers for polymers
    Patent number: 4373042
    Abstract: New N,N'-di-(hydroxy-phenyl) derivatives of piperazine are disclosed. These new compounds are useful for stabilizing thermoplastic polymers, in particular polyolefins, against sunlight, heat and oxidation.A process for producing the new compounds is also disclosed, as well as the polymeric compositions stabilized with said new compounds.
    Type: Grant
    Filed: May 9, 1980
    Date of Patent: February 8, 1983
    Assignee: Montedison S.p.A.
    Inventors: Francesco Gratani, Giuseppe Nelli, Piero Di Battista, Osvaldo Cicchetti
  • Condensation product prepared from N,N'-ethylene-urea and formaldehyde
    Patent number: 4363906
    Abstract: There is disclosed a solid and water-insoluble condensation product of N,N'-ethyleneurea with formaldehyde, having the structure ##STR1## wherein n is an integer from 20 to 60 with a mean value of 41, and having an average number molecular weight M.sub.n ranging from 2000 to 6000. Said product, when added to a polymer in combination with an ammonium phosphate, results in the production of articles which are resistant to heat and to thermo-oxidation.
    Type: Grant
    Filed: April 2, 1981
    Date of Patent: December 14, 1982
    Assignee: Montedison S.p.A.
    Inventors: Osvaldo Cicchetti, Spartaco Fontani, Gianluigi Landoni, Renato Locatelli, Guido Bertelli, Pierpaolo Roma
  • Self-extinguishing polymeric compositions
    Patent number: 4336182
    Abstract: Thermoplastic polymers, such as polypropylene, are rendered anti-flaming and self-extinguishing by addition of ammonium or amine phosphate and a nitrogen-containing water-insoluble oligomer or polymer containing in the monomeric unit a --CO--group attached to a ##STR1## group, wherein n is 2 or 3, being part of a ring, e.g., poly(carbonylpiperazine).
    Type: Grant
    Filed: July 25, 1980
    Date of Patent: June 22, 1982
    Assignee: Montedison S.p.A.
    Inventors: Gianluigi Landoni, Spartaco Fontani, Osvaldo Cicchetti