Patents Assigned to 3V Sigma S.p.A.
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Publication number: 20230312488Abstract: The compound of Formula 1 is obtained efficiently and cheaply from the mixture of tautomeric forms by crystallisation from methanol.Type: ApplicationFiled: March 28, 2023Publication date: October 5, 2023Applicant: 3V SIGMA S.P.A.Inventor: Giovanni Cavallini
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Patent number: 10759780Abstract: Disclosed are triazine compounds characterised by ester pendants and polyalkylpiperidine pendants. The compounds according to the invention, either alone or mixed with other known agents, are useful as stabilisers of polymers, especially polyolefins.Type: GrantFiled: July 6, 2018Date of Patent: September 1, 2020Assignee: 3V Sigma S.P.A.Inventors: Carlo Seccomandi, Ferruccio Berte′, Ivan Balestra
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Publication number: 20200239629Abstract: Disclosed are polymer compounds wherein the main polymer chain is a polyester and the pendants are polyalkylpiperidine. The compounds of the invention, either alone or mixed with other known agents, are useful as stabilisers of polymers, especially polyolefins.Type: ApplicationFiled: April 10, 2020Publication date: July 30, 2020Applicant: 3V Sigma S.P.A.Inventors: Ferruccio Berte', Francesco Maestri, Simone Del Sordo
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Patent number: 10610476Abstract: The present invention relates to cosmetic compositions comprising a combination of at least one triazine compound of general formula (I): wherein A, B, X and R are as defined in the description, with other cosmetic sunscreens.Type: GrantFiled: July 25, 2017Date of Patent: April 7, 2020Assignee: 3V Sigma S.P.A.Inventors: Francesco Maestri, Ferruccio Berte′
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Publication number: 20190365626Abstract: Disclosed are triazine compounds of formula (I): wherein R is as defined in the description, as light stabilisers and photoprotectors against UV-visible radiation.Type: ApplicationFiled: June 5, 2019Publication date: December 5, 2019Applicant: 3V Sigma S.P.A.Inventors: Ferruccio Berte, Carlo Seccomandi, Luca Bemporad
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Patent number: 10457650Abstract: Disclosed are triazine compounds of formula (I): wherein X, R, A and B are as defined in the description as photostabilizing agents against UV-visible radiation.Type: GrantFiled: July 25, 2017Date of Patent: October 29, 2019Assignee: 3V Sigma S.P.A.Inventors: Francesco Maestri, Ferruccio Berte′
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Publication number: 20190016702Abstract: Disclosed are triazine compounds characterised by ester pendants and polyalkylpiperidine pendants. The compounds according to the invention, either alone or mixed with other known agents, are useful as stabilisers of polymers, especially polyolefins.Type: ApplicationFiled: July 6, 2018Publication date: January 17, 2019Applicant: 3V Sigma S.P.A.Inventors: Carlo Seccomandi, Ferruccio Berte', Ivan Balestra
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Publication number: 20190002631Abstract: Disclosed are polymer compounds wherein the main polymer chain is a polyester and the pendants are polyalkylpiperidine. The compounds of the invention, either alone or mixed with other known agents, are useful as stabilisers of polymers, especially polyolefins.Type: ApplicationFiled: June 27, 2018Publication date: January 3, 2019Applicant: 3V Sigma S.P.A.Inventors: Ferruccio Berte', Francesco Maestri, Simone Del Sordo
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Publication number: 20180028425Abstract: The present invention relates to cosmetic compositions comprising a combination of at least one triazine compound of general formula (I): wherein A, B, X and R are as defined in the description, with other cosmetic sunscreens.Type: ApplicationFiled: July 25, 2017Publication date: February 1, 2018Applicant: 3V Sigma S.P.A.Inventors: Francesco Maestri, Ferruccio Berte'
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Publication number: 20180030001Abstract: Disclosed are triazine compounds of formula (I): wherein X, R, A and B are as defined in the description as photostabilising agents against UV-visible radiation.Type: ApplicationFiled: July 25, 2017Publication date: February 1, 2018Applicant: 3V Sigma S.P.A.Inventors: Francesco Maestri, Ferruccio Berte'
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Publication number: 20180010075Abstract: Disclosed is a compound of formula I wherein R1 is a straight, branched or cyclic, saturated or unsaturated acyl group having 2 to 5 carbon atoms; R2 is a straight, branched or cyclic, saturated or unsaturated acyl group having 6 to 18 carbon atoms; R3 is a straight, branched or cyclic, saturated or unsaturated acyl or alkyl group having 2 to 18 carbon atoms; y can have a value of 0 to 3, m, n and x can independently have a value from 2 to 3; z has a value of zero or 1.Type: ApplicationFiled: July 5, 2017Publication date: January 11, 2018Applicant: 3V Sigma S.P.A.Inventors: Antonella Crivello, Valentina Lanzeni, Francesco Maestri
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Patent number: 9725578Abstract: The present invention relates to polypiperidine compounds of polymeric type which are capable of conferring to the polymeric materials, particularly to polyolefins, a high stability against photodegradation and oxidative action of air, belong to the HALS category and have general formula (I): wherein p is from 3 to 20; n is from 2 to 12; R and R1, which are the same or different, are selected in the group consisting of hydrogen, linear and branched C1-C12 alkyl groups, alkenyl groups having 3 to 8 carbon atoms and aralkyl groups having 7 to 19 carbon atoms; X and X1, which are the same or different, are selected in the group consisting oxygen and groups of formula (II) wherein R2 is selected in the group consisting of hydrogen, linear and branched C1-C12 alkyl groups, cycloalkyl groups having 5 to 12 carbon atoms and aralkyl groups having 7 to 12 carbon atoms; A represents a —(CH2)a— group wherein a is from 2 to 12, with the proviso that a is different from n; Z is selected in the group coType: GrantFiled: October 27, 2011Date of Patent: August 8, 2017Assignee: 3V SIGMA S.P.A.Inventors: Francesco Maestri, Simone Del Sordo, Ferruccio Berte
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Patent number: 9487503Abstract: The present invention discloses compounds of 4,4?-diaminostilbene-2,2?-disulphonic acid which are useful as optical brighteners to bleach fibers, cellulose and in particular paper and cardboard.Type: GrantFiled: July 17, 2014Date of Patent: November 8, 2016Assignee: 3V SIGMA S.P.A.Inventors: Ferruccio Berte', Patrick Alborghetti
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Patent number: 8940058Abstract: The present invention relates to a composition comprising a fluorescent whitening agent and a tertiary alkanolamine, a stable aqueous solution of such a composition and use of such composition for the bleaching of textile fibers or paper.Type: GrantFiled: July 27, 2012Date of Patent: January 27, 2015Assignee: 3V Sigma S.p.A.Inventors: Ferruccio Berte', Paolo Alioli, Marco Brena
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Patent number: 8895731Abstract: The invention relates to novel intermediates for the preparation of substituted triazines used in particular in the cosmetic, detergent, coating, plastics and textile industries. The invention also relates to the processes for preparation of said intermediates and for the conversion of the latter into final products.Type: GrantFiled: June 8, 2012Date of Patent: November 25, 2014Assignee: 3V Sigma S.p.A.Inventors: Francesco Maestri, Luca Bemporad, Ferruccio Berte′
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Patent number: 8864851Abstract: The present invention relates to whitening compositions, processes for obtaining such compositions, stable aqueous solutions of such compositions and the use of such compositions for whitening of textile fibers, paper and in detergency.Type: GrantFiled: October 25, 2012Date of Patent: October 21, 2014Assignee: 3V Sigma S.p.A.Inventors: Ferruccio Berte', Marco Brena, Massimo Fabbi, Francesco Maestri
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Patent number: 8845761Abstract: Disclosed are compositions containing: a) 25-60% by weight of compound of formula (1) wherein X is hydrogen, an alkali or alkaline-earth metal, ammonium, alkylammonium and alkanolalkylammonium, alkanolammonium; b) at least 25% by weight of urea; c) up to 50% by weight of water.Type: GrantFiled: March 15, 2013Date of Patent: September 30, 2014Assignee: 3V Sigma S.P.A.Inventors: Carlo Seccomandi, Ivan Balestra, Paolo Alioli
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Publication number: 20140255324Abstract: Disclosed is a crystalline form of the compound of formula (I), characterised by an endothermic melting transition between 20 and 30 J/g at temperatures from 125° C. to 135° C., determined by differential scanning calorimetry (DSC) and by its X-ray diffraction spectrum.Type: ApplicationFiled: April 24, 2013Publication date: September 11, 2014Applicant: 3V Sigma S.p.A.Inventors: Ferruccio Berte', Massimo Fabbi, Luca Bemporad, Francesco Maestri
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Publication number: 20140250605Abstract: Disclosed are compositions containing: a) 25-60% by weight of compound of formula (I) wherein X is hydrogen, an alkali or alkaline-earth metal, ammonium, alkylammonium and alkanolalkylammonium, alkanolammonium; b) at least 25% by weight of urea; up to 50% by weight of water.Type: ApplicationFiled: March 15, 2013Publication date: September 11, 2014Applicant: 3V SIGMA S.P.A.Inventors: Carlo SECCOMANDI, Ivan BALESTRA, Paolo ALIOLI
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Publication number: 20140212364Abstract: Disclosed are oligomeric compounds obtained by condensation of the compound of formula (I) with itself wherein R1 and R2 are C1-C22 alkyl, isoalkyl or cycloalkyl groups.Type: ApplicationFiled: March 13, 2013Publication date: July 31, 2014Applicant: 3V SIGMA S.p.A.Inventors: Massimo Fabbi, Carlo Seccomandi, Luca Bemporad, Ivan Balestra