Abstract: Triazinylphosphonic acids of general formula (I): ##STR1## obtained by subsequent condensation reaction of a cyanuric halide with a osphite and with amines, and then by hydrolysis reaction of the intermediate thus obtained. The compounds of general formula (I) are used in particular as flame retardant additives.
Type:
Grant
Filed:
April 21, 1994
Date of Patent:
June 13, 1995
Assignee:
Ministero Dell 'Universita'E Della Ricerca Scientifica E Tecnologica
Abstract: This invention relates to salts of triazine derivatives with oxygenated as of phoshporus, having general formula (I): ##STR1## obtained by salification, with an acid containing phosphorus, of polycondensates of 2,4,6-triamino-1,3,5-triazine.The compounds having the general formula (I) are particularly used as flame-resistant additives.
Type:
Grant
Filed:
August 18, 1993
Date of Patent:
April 4, 1995
Assignee:
Ministero Dell'Universita E Della Ricerca Scientifica E. Tecnologica
Abstract: The antibiotic AB-041 is described, obtained by controlled aerobic cultivation of Streptomyces sp. NCIMB 40428 in an aqueous culture medium. The antibiotic AB-041 exhibits biological activity, and in particular herbicidal activity.
Type:
Grant
Filed:
December 1, 1992
Date of Patent:
March 28, 1995
Assignee:
Ministero dell `Universita` e della Ricerca Scientifica e Tecnologica
Inventors:
Nunzio Andriollo, Alessandro Scacchi, Giorgio E. Borgonovi, Giorgio Cassani, Silvia Spera, Gianfranco Guglielmetti, Giorgio Pirali, Giovanni Confalonieri
Abstract: The Antibiotic Complex AB-023 and its components: Antibiotic AB-023a and ibiotic AB-023b are disclosed, which are obtained by the controlled aerobic culture of Streptomyces sp. NCIMB 40212 in an aqueous nutrient culture substrate. Antibiotics AB-023 display a biological activity against pathogen fungi which attack agricultural crops and man.
Type:
Grant
Filed:
October 15, 1993
Date of Patent:
March 14, 1995
Assignee:
Ministero Dell `Universita` E Della Ricerca Scientifica E Tecnologica
Inventors:
Rossella Bortolo, Dante Cidaria, Giorgio Cassani, Adriana Vallesi, Gianfranco Gugliemetti, Giorgio Borgonovi, Silvia Spera, Giorgio Pirali, Giovanni Confalonieri
Abstract: Double-component acrylic adhesive compositions are disclosed, in which:(a) the adhesive component comprises a mono-functional acrylic monomer, a loro-sulfonated polyolefin and a crosslinker selected from difunctional silicon derivatives;(b) the activating component is a typical aldehyde-amine condensation product.
Type:
Grant
Filed:
June 10, 1994
Date of Patent:
March 7, 1995
Assignee:
Ministero Dell'Universita' e Della Ricerca Scientifica e Tecnologica
Abstract: Streptomyces spp. NCIMB 40227 has been identified as a new microorganism of the Streptomyces genus. Additionally, it has been found that the new microorganism is useful in the treatment of agrarian cultivations to increase plant growth and plant production.
Type:
Grant
Filed:
January 18, 1994
Date of Patent:
February 21, 1995
Assignee:
Ministero Dell `Universita` e Della Ricerca Scientifica e Tecnologica
Inventors:
Ernesto Signorini, Giorgio Pirali, Mario Ferri, Sergio Quaroni
Abstract: Salts of triazinic compounds with phosphorus oxyacids, having the general rmula (I): ##STR1## obtained by salifying oligomeric derivatives of 2,4,6-triamino-1,3,5-triazine with a phosphorus-containing acid.The compounds with general formula (I) find use in particular as flame-retardant additives.
Type:
Grant
Filed:
May 6, 1994
Date of Patent:
February 14, 1995
Assignee:
Ministero Dell'Universita' e Della Ricerca Scientifica e Tecnologica
Abstract: Condensation compounds obtained by means of the polymerization of polyami compositions essentially constituted by derivatives of 2,4,6-triamino-1,3,5-triazine having the general formula (I): ##STR1## with aldehydes, preferably formaldehyde.
Type:
Grant
Filed:
November 13, 1992
Date of Patent:
January 10, 1995
Assignee:
Ministero Dell `Universita` E Della Ricerca Scientifica E Tecnologica
Abstract: Maleimidic derivatives containing acrylic residues having the general formula (I): ##STR1## wherein R is equal to H, CH.sub.3 ; A represents a cycloalkyl radical containing from 5 to 10 carbon atoms or an aryl radical containing from 6 to 12 carbon atoms and with the acryloxy residue --[--OCOC(R).dbd.CH.sub.2 ] in an ortho, meta or para position. The compounds are useful as thermostabilizing agents in structural adhesives with an acrylic base.
Type:
Grant
Filed:
October 27, 1992
Date of Patent:
November 8, 1994
Assignee:
Ministero Dell'Universita' E Della Ricerca Scientifica E Tecnologica
Inventors:
Vittorio Di Ruocco, Liliana Gila, Fabio Garbassi
Abstract: This invention relates to salts of triazine derivatives with oxygenated as of phoshporus, having general formula (I): ##STR1## obtained by salification, with an acid containing phosphorus, of polycondensates of 2,4,6-triamino-1,3,5-triazine. The compounds having the general formula (I) are particularly used as flame-resistant additives.
Type:
Grant
Filed:
July 10, 1991
Date of Patent:
October 25, 1994
Assignee:
Ministero Dell `Universita` e Della Ricerca Scientifica e Tecnologica
Abstract: 7-amino-cephalosporanic acids having the formula ##STR1## are obtained by submitting compounds having the following formula to enzymatic conversion: ##STR2## wherein R represents H, OH, O--CO--R", R" being an alkyl radical with from 1 to 4 carbon atoms, R.sup.1 represents a carboxylic group. The reaction is carried out in the presence of a microorganism selected from the Pseudomonas, Bacillus, Achromobacter genera, or in the presence of an enzyme, either free or immobilized, derived therefrom.
Type:
Grant
Filed:
July 14, 1992
Date of Patent:
July 26, 1994
Assignee:
Ministero dell'Universita' e della Ricerca Scientifica e Tecnologica
Inventors:
Ezio Battistel, Pietro Cesti, Giuliana Franzosi, Vilhelmus van der Goes
Abstract: A process is described for separating the optical isomers of 1,2-isopropylideneglycerol, of formula (I), comprising partially stereoselective enzymatic hydrolysis of 1,2-isopropylideneglycerol benzoyl ester (II) catalyzed by a free or immobilized lipase, the hydrolysis being conducted in the presence of a cosolvent and followed by crystallization enabling crystals of (II) in raceme form and mother liquor containing (II) in the form of the pure enantiomer to be selectively obtained.The compound (I) is widely used industrially as an intermediate in the synthesis of chiral drugs such as (R)-(-)-carnitine, (S)-beta-blockers, (S)-antiviral agents, analgesic drugs etc.
Type:
Grant
Filed:
February 12, 1993
Date of Patent:
July 26, 1994
Assignee:
Ministero Dell'Universita' E Della Ricerca Scientifica E Tecnologica
Inventors:
Daniele Bianchi, Aldo Bosetti, Pietro Cesti, Paolo Golini, Carlo Pina
Abstract: Ammonium polyphosphate having the general formula (I):(NH.sub.4).sub.n+2 P.sub.n O.sub.3 n+1 (I)microencapsulated with condensation compounds obtained by polymerizing pominic compositions essentially constituted by derivatives of 2,4,6-triamino-1,3,5-triazine having the general formula (II): ##STR1## with aldehyde, preferably formaldehyde.
Type:
Grant
Filed:
November 13, 1992
Date of Patent:
June 14, 1994
Assignee:
Ministero dell'Universita' e della Ricerca Scientifica e Tecnologica
Abstract: Amelinic compounds of general formula (I) ##STR1## obtained by subsequent condensation reaction of 1 mol of a cyanuric acid halide with 1 mol of amine and of a polyamine and by hydrolysis reaction of the thus obtained intermediate. Compounds of general formula (I) are used, in particular, as antiflame additives.
Type:
Grant
Filed:
September 9, 1991
Date of Patent:
May 10, 1994
Assignee:
Ministero Dell`Universita` e Della Ricerca Scientifica e Tecnologica
Abstract: Amelinic compounds of general formula (I) ##STR1## obtained by condensation of 1 mol of cyanuric acid halide with 2 mols of an amine and subsequent hydrolysis of the intermediate thus obtained. Compounds of general formula (I) are used, in particular, as flame retardant additives for polymers.
Type:
Grant
Filed:
April 22, 1993
Date of Patent:
April 19, 1994
Assignee:
Ministero Dell'Universita' E Della Ricerca Scientifica E Tecnologica
Abstract: Self-extinguishing thermoplastic polymeric compositions comprising a phosrus derivative and condensation compounds obtained by means of the polymerization of polyaminic mixtures essentially constituted by derivatives of 2,4,6-triamino-1,3,5-triazine, having the general formula (I): ##STR1## with aldehydes, preferably formaldehyde.
Type:
Grant
Filed:
November 13, 1992
Date of Patent:
April 12, 1994
Assignee:
Ministero Dell `Universita` e Della Ricerca Scientifica e Tecnologica
Abstract: A single cardiac ventricular assistance device intended to integrate the ctions of a ventricular assistance device (V.A.D.) proper and of an aortic balloon pump (IABP) includes a single energy source which causes the simultaneous rhythmic contraction of two chambers which are intended to be filled with blood. One of the contractible chambers has two one-way valves for the inlet and outlet of the blood respectively, while the other has a single inlet-outlet connector without valves for connection to the outlet of the first chamber downstream of its outlet-valve portion.
Type:
Grant
Filed:
November 12, 1992
Date of Patent:
April 5, 1994
Assignee:
Ministero dell'Universita e della Ricerca Scientifica e Tecnologica
Inventors:
Giorgio Arpesella, Bruno Mambrito, Maurizio Zagara
Abstract: The enzymatic preparation of cephalosporanic derivatives, or their salts, ving the formula: ##STR1## wherein R is --CO--COOH or --COOH, R.sub.1 is H, OH, or --O--CO--R" and R" is an alkyl group with 1 to 4 carbon atoms, is carried out by the oxidative deamination of compounds, or their salts, having the formula: ##STR2## with an oxidase D-Aminoacid enzyme derived from Rhodotorula glutinis NCIMB 40412. The enzyme can be in a free or immobilized form.
Type:
Grant
Filed:
June 3, 1992
Date of Patent:
March 22, 1994
Assignee:
Ministero Dell'Universita' e Della Ricerca Scientifica e Tecnologica
Inventors:
Ezio A. Battistel, Pietro Cesti, Giuliana Franzosi, Vilhelmus van der Goes, Silvana Bonicelli, Mirella Pilone
Abstract: A multicomponent adhesive composition of:(A) an elastomer dissolved in a polymerizable acrylic component;(B) a polymerization starter selected from peroxides, hydroperoxides, peracids, peresters, oxaziridines and fluorinated oxaziridines;(C) a starter-activating agent; and(D) a starter stabilizing agent selected from cyclodextrins, calyxarenes and cavitands.
Type:
Grant
Filed:
April 23, 1992
Date of Patent:
March 1, 1994
Assignee:
Ministero Dell'Universita e Della Ricerca Scientifica e Tecnologica
Abstract: The invention provides acrylic-based heat-resistant bicomponent structural adhesives comprising:a) a first adhesive component consisting of:an elastomer;a monofunctional acrylic monomer;a free radical generator;a solution stabilizer;an adhesion promoter;a cross-linking agent;a heat stabilizer for the adhesive, chosen from maleimide derivates containing acrylic residues; andb) a second component activating the first adhesive component and consisting of:a mixture of aldehyde-amine condensation products;an organic salt of a metal of the first transition series of low oxidation state.
Type:
Grant
Filed:
October 27, 1992
Date of Patent:
February 1, 1994
Assignee:
Ministero dell'Universita' e della Ricerca Scientifica e Tecnologica
Inventors:
Vittorio Di Ruocco, Liliana Gila, Fabio Garbassi