Patents by Inventor Sauro Strologo

Sauro Strologo 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 recovering cobalt and tungsten from reaction liquors
    Patent number: 5599514
    Abstract: Process for recovering and re-using cobalt and tungsten from reaction liquors, in which said reaction liquors are treated:a) With an alkali-earth metal hydroxide in order to precipitate cobalt and tungsten, and the resulting precipitate is subsequently treated with a strong mineral acid in order to be able to dissolve the cobalt salt and separate it from H.sub.2 WO.sub.4 precipitate; orb) With an alkali metal hydroxide in order to precipitate and separate Co(OH).sub.2, and the resulting alkaline solution is then treated with an alkali-earth metal compound which is filtered and treated with a strong mineral acid in order to obtain H.sub.2 WO.sub.
    Type: Grant
    Filed: February 6, 1995
    Date of Patent: February 4, 1997
    Assignee: Novaol S.R.L.
    Inventors: Andrea Gardano, Sauro Strologo, Marco Foa'
  • Phosphorous organic amides suitable as stabilizers and polymer compositions which comprise them
    Patent number: 5352830
    Abstract: New phosphorous organic amides of a specific formula and their use as stabilizers for polymers and, other organic materials.
    Type: Grant
    Filed: October 28, 1992
    Date of Patent: October 4, 1994
    Assignee: Himont Incorporated
    Inventors: Marco Foa, Sauro Strologo, Giampiero Sabarino
  • Polymer compositions containing organic phosphite stabilizers
    Patent number: 5326801
    Abstract: New organic phosphites of a specific formula are used as stabilizers for polymers and other organic materials.
    Type: Grant
    Filed: July 28, 1992
    Date of Patent: July 5, 1994
    Assignee: Himont Incorporated
    Inventors: Marco Foa, Sauro Strologo
  • Organic phosphites suitable as stabilizers for polymers
    Patent number: 5162548
    Abstract: New organic phosphites of the formula ##STR1## are used as stabilizers for polymers and other organic materials. The definition of groups R, R', and R.sub.1 may be found in the disclosure.
    Type: Grant
    Filed: November 19, 1991
    Date of Patent: November 10, 1992
    Assignee: Himont Incorporated
    Inventors: Marco Foa', Sauro Strologo