Patents by Inventor Giovanni Agnes

Giovanni Agnes 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 producing hydroxyalkyl glucosides
    Patent number: 5432268
    Abstract: A process is disclosed for producing particular hydroxyalkyl glucosides in the presence of a binary catalyst.
    Type: Grant
    Filed: May 7, 1993
    Date of Patent: July 11, 1995
    Assignees: Enichem S.p.A., Eniricerche S.p.A.
    Inventors: Giampietro Borsotti, Massimo Ciali, Tullio Pellizzon, Giovanni Agnes
  • Catalytic process for the manufacture of copper phthalocyanine
    Patent number: 5138047
    Abstract: This invention relates to improved catalytic process for the manufacture of copper phthalocyanine by allowing phthalic anhydride to react with urea and a copper compound, in the presence of a hydrophobic liquid (dispersing agent), characterized by the presence, along with the catalyst and the dispersing agent, of a promoter selected from particular classes of amides, imides, ureas, thioureas, guanidines, amines or sulphoxides.
    Type: Grant
    Filed: December 6, 1990
    Date of Patent: August 11, 1992
    Assignee: ACNA Chimica Organica S.P.A.
    Inventors: Giorgio Bornengo, Giovanni Agnes, Augusto Menconi, Giorgio Bottaccio, Zafferino Bozzolasco, Danilo Domenis
  • Diethers usable in the preparation of Ziegler-Natta catalysts
    Patent number: 5095153
    Abstract: Diethers of general formula: ##STR1## where R, R.sup.I, R.sup.II, R.sup.III, R.sup.IV and R.sup.V are the same or different and are H, C.sub.1-18 linear or branched alkyl, C.sub.5-18 cycloalkyl, C.sub.6.about. aryl, C.sub.7-18 alkylaryl or C.sub.7-18 arylalkyl radicals, provided that when R is alkyl, R.sup.I is other than H or alkyl and when R.sup.I is alkyl, R is other than H or alkyl; R.sup.VI and R.sup.VIII are the same or different and are C.sub.1-18 linear or branched alkyl, C.sub.5-18 cycloalkyl, C.sub.6-18 aryl, or C.sub.7-18 arylalkyl radicals; and two or more of R to R.sup.V may be bonded to form a cyclic structure having 5 to 18 carbon atoms.The diethers are particularly useful in the preparation of Ziegler-Natta catalysts.
    Type: Grant
    Filed: October 11, 1990
    Date of Patent: March 10, 1992
    Assignee: HIMONT Incorporated
    Inventors: Giovanni Agnes, Giampietro Borsotti, Giuliana Schimperna, Elisabetta Barbassa
  • Taurine derivatives
    Patent number: 4795595
    Abstract: A process of preparing taurine-containing peptides of formula (I): ##STR1## comprises reacting a protected aminoacid with cysteamine or cystamine in the presence of a condensing agent, oxidizing the resulting compound and deprotection.
    Type: Grant
    Filed: July 24, 1987
    Date of Patent: January 3, 1989
    Assignee: Farmitalia Carlo Erba S.p.A.
    Inventors: Giovanni Agnes, Maria Altamura
  • Preparation of pyrazine derivatives
    Patent number: 4511718
    Abstract: A process for the preparation of a pyrazine derivative of the formula ##STR1## wherein R.sub.1 represents hydroxy, C.sub.1 -C.sub.6 alkoxy, or a group of the formula NR.sub.2 R.sub.3 in which R.sub.2 and R.sub.3 are independently a hydrogen atom or C.sub.1 -C.sub.6 alkyl or, together with the nitrogen atom to which they are linked, form a saturated ring having five or six atoms which may contain one or more additional heteroatoms; which process comprises reacting a compound of the formula: ##STR2## wherein R represents a hydrogen atom, C.sub.1 -C.sub.6 alkyl, or C.sub.1 -C.sub.6 alkoxy, Y represents a hydrogen atom or a sodium, lithium, or potassium ion, and A is a nitrile group or a substituent of the formula COR.sub.1 where R.sub.1 is as defined above either with pyruvic aldehyde oxime of the formula: ##STR3## or with a pyruvic aldehyde oxime acetal derivative of the formula: ##STR4## wherein R.sub.4 and R.sub.5 are independently a hydrogen atom or C.sub.1 -C.sub.
    Type: Grant
    Filed: March 3, 1983
    Date of Patent: April 16, 1985
    Assignee: Farmitalia Carlo Erba S.p.A.
    Inventors: Giuseppe Ribaldone, Maria G. Felicioli, Claudio Santini, Giovanni Agnes
  • Process for the preparation of diesters of saturated carboxylic acids
    Patent number: 4429147
    Abstract: Alkyl diesters of saturated dicarboxylic acids are prepared by catalytic reaction of olefinic hydrocarbons with carbon monoxide and alkoxylic copper salts, in the presence of a Palladium catalyst.The products obtained find useful applications in the field of plasticizers for synthetic resins, in the field of lubricants and of hydraulic fluids, etc.
    Type: Grant
    Filed: July 9, 1982
    Date of Patent: January 31, 1984
    Assignee: Montedison S.p.A.
    Inventors: Giovanni Agnes, Guglielmo Rucci, Claudio Santini
  • Process for the preparation of esters of oxalic acid
    Patent number: 4160107
    Abstract: There is provided a process for the preparation of esters of oxalic acid comprising reacting at a temperature of between about 20.degree. and 200.degree. C. a copper (II) compound having the formula Cu(OR)X, where R is alkyl having from 1 to 8 carbon atoms and X is chlorine or bromine, with carbon monoxide in the presence of a catalyst selected from the group consisting of palladium salts, metallic palladium and zero valent palladium complexes.
    Type: Grant
    Filed: September 11, 1978
    Date of Patent: July 3, 1979
    Assignee: Montedison S.p.A.
    Inventors: Giovanni Agnes, Giuseppe Bimbi, Franco Guerrieri, Guglielmo Rucci