Patents by Inventor Francesco Squarcia

Francesco Squarcia 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 microbiological production of gamma (R) decanolide and gamma (R) octanolide
    Patent number: 4950607
    Abstract: The process for the microbiological production of gamma (R) decanolide and/or gamma (R) octanolide involves the culture of a micro-organism selected from the group comprising Aspergillus niger, Cladosporium suaveolens, Phanerochaete chrysosporium and Pichia etchellsii in a culture medium that includes a vegetable oil, particularly castor oil, sunflower oil and coconut oil and their hydrolysates.
    Type: Grant
    Filed: August 2, 1989
    Date of Patent: August 21, 1990
    Assignee: Pernod-Ricard
    Inventors: Rosanna Cardillo, Claudio Fuganti, Giuseppe Sacerdote, Massimo Barbeni, Paolo Cabella, Francesco Squarcia
  • Silver halide emulsion containing a 2-unsubstituted N-alkenyl-thiazolium salt as latent image stabilizer and photographic elements including said emulsion
    Patent number: 4780400
    Abstract: Silver halide light-sensitive emulsions are protected against latent image fading by an effective amount of a 2-unsubstituted N-alkenyl-thiazolium salt compound.
    Type: Grant
    Filed: April 20, 1987
    Date of Patent: October 25, 1988
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Walter Beltramini, Francesco Squarcia
  • 2-equivalent cyan dye-forming 5-hydroxy-6-acylamino-benzoxazole-2-one couplers, silver halide photographic elements and processes employing them
    Patent number: 4668610
    Abstract: 5-hydroxy-6-acylamino-benzoxazole-2-one compounds, such as those responding to the formula: ##STR1## wherein m is 0, 1; R represents a substituted or unsubstituted alkyl, aryl group or a heterocyclic group; R.sub.1 represents a substituted or unsubstituted alkyl or aryl group or R.sub.2 --X--, wherein X represents a member selected from the group consisting of CO, SO.sub.2, OCOCO and NHCO and R.sub.2 represents a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group; and V and W, the same or different, represent hydrogen, halogen or a lower alkyl or alkoxy group, are described as cyan dye-forming couplers for use in silver halide color photographic elements and processes.
    Type: Grant
    Filed: February 27, 1986
    Date of Patent: May 26, 1987
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Ivano Delprato, Francesco Squarcia