Patents by Inventor Gilberto Nucida
Gilberto Nucida 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).
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Patent number: 5304646Abstract: 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: GrantFiled: April 22, 1993Date of Patent: April 19, 1994Assignee: Ministero Dell'Universita' E Della Ricerca Scientifica E TecnologicaInventors: Roberto Cipolli, Gilberto Nucida, Enrico Masarati, Roberto Oriani, Mario Pirozzi
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Patent number: 5302641Abstract: 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: GrantFiled: November 13, 1992Date of Patent: April 12, 1994Assignee: Ministero Dell `Universita` e Della Ricerca Scientifica e TecnologicaInventors: Roberto Cipolli, Roberto Oriani, Enrico Masarati, Gilberto Nucida
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Patent number: 5302642Abstract: Self-extinguishing polymeric compositions comprising an ammonium polyphoste having the general formula:(NH.sub.4).sub.n+2 P.sub.n O.sub.3n+1microencapsulated with condensation compounds obtained by polymerizing polyaminic compositions essentially constituted by derivatives of 2,4,6-triamino-1,3,5-triazine, having the general formula (II): ##STR1## with aldehydes, preferably formaldehyde.Type: GrantFiled: November 13, 1992Date of Patent: April 12, 1994Assignee: Ministero Dell `Universita` e Della Ricerca Scientifica e TechnologicaInventors: Roberto Cipolli, Roberto Oriani, Enrico Masarati, Gilberto Nucida
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Patent number: 5302640Abstract: Self-extinguishing, thermoplastic, polymeric compositions comprising a phhorus derivative and condensation compounds obtained by polymerizing polyaminic 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: GrantFiled: November 13, 1992Date of Patent: April 12, 1994Assignee: Ministero Dell `Universita` e Della Ricerca Scientifica e TechnologicaInventors: Roberto Cipolli, Roberto Oriani, Enrico Masarati, Gilberto Nucida
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Patent number: 5296598Abstract: Derivatives of triazinylphosphonic acid having the general formula (I): ##STR1## obtained by means of the reaction of condensation of a cyanuric halide w an ester of phosphorous acid and subsequent reaction of substitution with a polyamine and an amine.Type: GrantFiled: January 6, 1993Date of Patent: March 22, 1994Assignee: Ministero dell'Universita' e della Ricerca Scientifica e TechnologicaInventors: Roberto Cipolli, Enrico Masarati, Cristina Rossi, Roberto Oriani, Gilberto Nucida
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Patent number: 5225463Abstract: Self-extinguishing polymeric compositions containing: a) from 90 to 40 parts by weight of a thermoplastic polymer, or a polymer having elastomeric properties and b) 10 to 60 parts by weight of one or more 2,4,6-triamino-1,3,5-triazine compounds salified with an oxygenated acid of phosphorus, wherein at least one of the triamino substituents of the triazine compound are substituted with at least one of the following radicals ##STR1## wherein m=an integer between 2 and 8;p=an integer between 2 and 6;R.sub.8 =H; C.sub.1 -C.sub.8 alkyl; C.sub.2 -C.sub.6 alkenyl; C.sub.q H.sub.2q OR.sub.9 wherein q is an integer between 1 and 4 and R.sub.9 is hydrogen or C.sub.1 -C.sub.4 alkyl; C.sub.6 -C.sub.12 cycloalkyl or alkylcycloalkyl;R' is H; C.sub.1 -C.sub.8 alkyl; C.sub.2 -C.sub.6 alkenyl; C.sub.6 -C.sub.12 cycloalkyl or alkylcycloalkyl; C.sub.1 -C.sub.4 hydroxyalkyl, or ##STR2## is replaced by a heterocyclic radical bound to the alkyl chain through the nitrogen atom.Type: GrantFiled: April 11, 1991Date of Patent: July 6, 1993Assignee: Ministero dell'Universita e della Ricerca Scientifica e TecnologicaInventors: Roberto Cipolli, Roberto Oriani, Gilberto Nucida, Mario Pirozzi, Enrico Masarati
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Patent number: 5223560Abstract: Polymeric compositions endowed with high self-extinguishing characteristics hen exposed to a flame, based on thermoplastic polymers or polymers endowed with elastomeric properties, in particular olefinic polymers or copolymers comprising:(a) from 89 to 45 parts by weight of a thermoplastic polymer, or of a polymer, or of a polymer endowed with elastomeric properties;(b) from 8 to 30 parts by weight of one or more ammonium or amine phosphate(s) and/or phosphonate(s);(c) from 3 to 25 parts by weight of one or more compound(s) derivatives of 2,4,6-triamino-1,3,5-triazine, having the general formula (I): ##STR1##Type: GrantFiled: July 21, 1992Date of Patent: June 29, 1993Assignee: Ministero Dell'Universita' E Della Ricerca Scientifica E TecnologicaInventors: Roberto Cipolli, Enrico Masarati, Gilberto Nucida, Mario Pirozzi, Roberto Oriani
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Patent number: 5210120Abstract: Polymeric compositions endowed with high self-extinguishing characteristics o flame, based on thermoplastic polymers or polymers having elastomeric properties, especially olefin polymers and copolymers, comprising:a) from 89 to 40 parts by weight of a thermoplastic polymer or of a polymer having elastomeric properties;b) from 8 to 33 parts by weight of one or more phosphates and/or phosphonates of ammonium or of amine;c) from 3 to 27 parts by weight of one or more oligomeric compounds derived from the 2,4-diamino-6-hydroxy-1,3,5-triazine, having the general formula (I): ##STR1##Type: GrantFiled: October 31, 1991Date of Patent: May 11, 1993Assignee: Ministero Dell'Universita' e Della Ricerca Scientifica e TechnologicaInventors: Roberto Cipolli, Enrico Masarati, Gilberto Nucida, Roberto Oriani, Mario Pirozzi
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Patent number: 5200445Abstract: Polymeric compositions endowed with high characteristics of flame self-esguishing, based on thermoplastic polymers or showing elastomeric properties, especially olefin polymers and copolymers, comprising:a) from 89 to 40 parts by weight of a thermoplastic polymer or having elastomeric properties;b) from 8 to 33 parts b.w; of one or more phosphates and/or phosphonates of ammonium or of an amine;c) from 3 to 27 parts b.w.Type: GrantFiled: September 11, 1991Date of Patent: April 6, 1993Assignee: Ministero Dell'Universita' e Della Ricerca Scientifica e TecnologicaInventors: Roberto Cipolli, Enrico Masarati, Gilberto Nucida, Mario Pirozzi, Roberto Oriani
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Patent number: 5182388Abstract: Salts of triazinic compounds with oxygenated acids of phosphorus, of the eral formula (I): ##STR1## wherein: at least one of radicals for R to R.sub.5 is: ##STR2## being:m=an integer comprised between 2 and 8;p=an integer comprised between 2 and 6;The new salts having the general formula (I) are applied, in particular, as anti-flame additives for polymers.Type: GrantFiled: April 11, 1991Date of Patent: January 26, 1993Assignee: Ministero Dell' Universita' E Della Ricerca Scientifica E TecnologicaInventors: Roberto Cipolli, Roberto Oriani, Gilberto Nucida, Enrico Masarati
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Patent number: 5153245Abstract: Polymeric compositions endowed with high characterics of self-extinguishing o flame based on thermoplastic polymers or having elastomeric properties, especially olefin polymers and copolymers, comprising:a) from 91 to 40 parts by weight of a thermoplastic polymer or having elastomeric properties;b) from 6 to 33 parts by weight of one or more phosphates and/or phosphonates of ammonium or of an amine;c) from 3 to 27 parts by weight of one or more compounds derived from 2,4-diamino-6-hydroxy-1,3,5-triazine, having the general formula (I): ##STR1##Type: GrantFiled: September 9, 1991Date of Patent: October 6, 1992Assignee: Ministero Dell'Universita' E Della Ricerca Scientifica E TechnologicInventors: Roberto Cipolli, Gilberto Nucida, Enrico Masarati, Roberto Oriani, Mario Pirozzi
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Patent number: 5124379Abstract: Polymeric compositions endowed with high self-extinguishing characteristics hen exposed to a flame, based on thermoplastic polymers or polymers endowed with elastomeric properties, in particular olefinic polymers or copolymers, comprising:(a) from 89 to 45 parts by weight of a thermoplastic polymer, or of a polymer endowed with elastomeric properties;(b) from 8 to 30 parts by weight of one or more ammonium or amine phosphates(s) and/or phosphonate(s);(c) from 3 to 25 parts by weight of one or more compound(s) derivatives of 2,4,6-triamino-1,3,5-triazine, having the general formula (I): ##STR1## wherein at least one of the radicals from R to R.sub.5 is: ##STR2## wherein: n=an integer comprised within the range of from 2 to 8;m=an integer comprised within the range of from 2 to 6;R.sub.6 =H; (C.sub.1 -C.sub.8)-alkyl; (C.sub.2 -C.sub.6)-alkenyl; --C.sub.p H.sub.2p --O--R.sub.8, wherein p is an integer comprised within the range of from 1 to 4 and R.sub.8 is either H or a (C.sub.1 -C.sub.4)-alkyl; (C.sub.6 -C.Type: GrantFiled: July 3, 1990Date of Patent: June 23, 1992Assignee: Presidenza del Consiglio dei Ministri Ufficio del Ministro per il Coordinamento delle Iniziative per la Ricerca Scientifica e TecnologicaInventors: Roberto Cipolli, Roberto Oriani, Gilberto Nucida, Mario Pirozzi, Enrico Masarati
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Patent number: 5104986Abstract: Triazinic compounds of general formula (I): ##STR1## obtained by the reaction of one mole of a halide of cyanuric acid with two oles of an amine, and following reaction of the so obtained intermediate with a polyamine.The compounds of general formula (I) find a use, in particular, as flame-retardant additives for polymers.Type: GrantFiled: August 27, 1990Date of Patent: April 14, 1992Assignee: Ministero Dell' Universita' e Della Ricerca Scientifica e TecnologiaInventors: Roberto Cipolli, Enrico Masarati, Gilberto Nucida, Roberto Oriani
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Patent number: 4772708Abstract: Derivatives of 4-hydroxy-methyl-piperidine having general formula: ##STR1## wherein: R.sub.1, R.sub.2, R.sub.3 and R.sub.4 may be alkyl or may form, with the carbon they are bound to, a cycloalkyl group or the group ##STR2## with R.sub.6, R.sub.7, R.sub.8 and R.sub.9 being hydrogen or alkyl; R.sub.5 may be H, alkyl, aryl, alkenyl, etc.; Y may be an organic or inorganic group or atom having a valence from 1 to 4 and n is an integer from 1 to 4.The use of the derivatives of the alkyl-substituted 4-hydroxy-methyl-piperidine of formula (I) as stabilizers of polymeric substances, and polymeric compositions stabilized with said piperdine derivatives.This invention relates to new derivatives of alkyl-substituted 4-hydroxy-methyl-piperidine, to the use thereof as stabilizers of polymeric substances usually subject to worsening owing to thermal and/or photo-oxidation, and to the polymeric compositions stabilized with said derivatives.Type: GrantFiled: March 20, 1987Date of Patent: September 20, 1988Assignee: Ausimont S.p.A.Inventors: Piero Di Battista, Gilberto Nucida
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Patent number: 4772699Abstract: Derivatives of morpholine containing substituted piperidine groups having the formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, the same or different, are each a lower alkyl group, or R.sub.1 and R.sub.2 and/or R.sub.3 and R.sub.4, together with a carbon atom to which they are bound, represent a cycloalkyl group or a group of the formula: ##STR2## in which R.sub.6, R.sub.7, R.sub.8 and R.sub.9, the same or different, represent a hydrogen atom or a lower alkyl group, and R.sub.5 represents a hydrogen atom, an alkyl group, an alkenyl group, an alkoxyalkyl group, an aralkyl group, a substituted aralkyl group carrying one or more substituents on the aryl radical, a 2,3-epoxypropyl group, a group of formula --CH.sub.2 --COOR.sub.10 in which R.sub.10 is an alkyl group, an alkenyl group, a phenyl group, an aralkyl group or a cyclohexyl group; a group of formula: ##STR3## in which R.sub.11 is a hydrogen atom, a methyl group, an ethyl group or a phenyl group, and R.sub.Type: GrantFiled: January 13, 1987Date of Patent: September 20, 1988Assignee: Ausimont S.p.A.Inventors: Piero Di Battista, Gilberto Nucida