Patents by Inventor Guido Guizzi

Guido Guizzi 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 preparation of 2,3-dihydro-2,2-dimethyl-7-benzofuranol
    Patent number: 4562266
    Abstract: Process for the preparation of 2,3-dihydro-2,2-dimethyl-7-benzofuranol, comprising the reaction between catechol or 4-tert.butyl catechol and isobutyraldehyde in the presence of catalytic amounts of at least one compound selected from the group consisting of the oxides, hydroxides, alcoholates and carboxylates of metals belonging to the Groups IA, IIA, IIB and VIIB of the Periodic System of the Elements and the subsequent reaction of rearrangement of the products which have been obtained, optionally previously removing one or more low-boiling components, in the presence of a compound having acidic properties, of an organic or a mineral nature. The product is useful in the synthesis of pesticides.
    Type: Grant
    Filed: April 19, 1984
    Date of Patent: December 31, 1985
    Assignee: Enichimica Secondaria, S.p.A.
    Inventors: Carlo Neri, Villiam Giroldini, Mario Traversoni, Guido Guizzi, Emilio Perrotti, Antonio Rinaldi