Patents Assigned to Lamberti SpA
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Publication number: 20120315401Abstract: The disclosure relates to printing mediums, useful for ceramic sinterable materials, that are in powder form and are based on glycols, urea and an inorganic absorbent, to ceramic inks compositions comprising the printing mediums and to methods for decorating green or fired ceramic bodies by the use of said printing mediums and compositions.Type: ApplicationFiled: February 22, 2011Publication date: December 13, 2012Applicant: LAMBERTI SPAInventors: Paolo Prampolini, Alan Nappa, Giuseppe Li Bassi, Giovanni Floridi
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Patent number: 8282950Abstract: Homogenous and stable adjuvants in the form of microemulsions for use in agriculture containing: a) a mixture of surfactants comprising i) one or more anionic derivatives of an alkylpolyglycoside; ii) one or more alkylpolyglycosides; iii) one or more anionic derivatives of a fatty alcohol; b) one or more methyl esters of fatty acids deriving from the transesterification of vegetable oils, one or more vegetable oils, or mixture thereof; c) one or more nonionic surfactants; d) water.Type: GrantFiled: October 25, 2007Date of Patent: October 9, 2012Assignee: Lamberti SpAInventors: Peter Bohus, Gianfranco Paganini, Giuseppe Li Bassi
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Publication number: 20120094877Abstract: The hydration of clays in drilling operations can be inhibited by employing a an aqueous based drilling fluid containing from about 0.2 to about 5 wt % of a hydration inhibitor that comprises bis-hexamethylene-triamine, bis-hexamethylene-triamine salts, or mixtures thereof.Type: ApplicationFiled: October 12, 2011Publication date: April 19, 2012Applicant: LAMBERTI SPAInventors: Luigi Merli, Francesca Giani, Pierangelo Pirovano, Giovanni Floridi, Giuseppe Li Bassi
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Patent number: 8017560Abstract: The present invention relates to hydrophobically modified hydroxyalkyl guar derivatives which dissolve rapidly in water, having a hydroxyalkyl molar substitution between 0.2 and 2.5 and containing hydrophobic groups comprising C10-C32 alkyl chains, to the procedure for their preparation and to their use in the formulation of well fluids.Type: GrantFiled: July 29, 2005Date of Patent: September 13, 2011Assignee: Lamberti SpAInventors: Ugo Pfeiffer, Morano Gatto, Mauro Tenconi, Laura Vigano, Andrea Balestrini, Giuseppe Li Bassi
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Publication number: 20110175026Abstract: Water repellent soils may be treated with an aqueous wetting composition comprising from 10 to 100,000 ppm of an anionic derivative of alkyl polyglycosides to improve the ability of the soil to be penetrated by water. This composition may also be combined with certain known wetting agents to produce a synergistic wetting effect. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.Type: ApplicationFiled: January 13, 2011Publication date: July 21, 2011Applicant: Lamberti SpAInventor: Paul Thomas Bially
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Publication number: 20110166341Abstract: A glyoxal and boron free purified cationic polygalactomannan may be prepared by reacting a polygalactomannan flour, a nonionically derivatized polygalactomannan flour, or a mixture thereof, with a cationising reagent, adjusting the pH to be from about 4 to about 6; cross-linking the cationic with glyoxal, and filtering and water washing the cationic polygalactomannan to produce a glyoxalated purified cationic polygalactomannan containing not more than 70% by weight of water. In some cases it may be desirable to introduce a buffering agent to the glyoxalated purified cationic polygalactomannan to regulate the pH to from 8.0 to about 9.5, when measured at 1% (dry matter) in water. In other cases, it may be desirable to remove water to produce glyoxal free purified cationic polygalactomannan in powder form. Such compounds are particularly useful in personal care products.Type: ApplicationFiled: January 7, 2011Publication date: July 7, 2011Applicant: Lamberti SpAInventors: Ugo Pfeiffer, Mauro Tenconi, Eva Baldaro, Valentina Langella, Giovanni Floridi, Giuseppe Li Bassi
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Publication number: 20110166048Abstract: Esters of alkanolamines with unsaturated, polyunsaturated or saturated C8-C36 monocarboxylic acids are additives for reducing accretion on drilling equipment (anti-accretion agents) to be used in drilling muds during drilling and completion of oil and gas wells.Type: ApplicationFiled: May 18, 2009Publication date: July 7, 2011Applicant: Lamberti SpAInventors: Luigi Merli, Jacopo Franchini, Pierangelo Pirovano, Mattia Ossola, Franco Federici, Dario Fornara, Giuseppe Li Bassi
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Patent number: 7956014Abstract: The present invention relates to a liquid, self-breakable, temporary viscosifier agent (yield point enhancer) for oil based drilling muds, obtained by reacting one or more dicarboxylic fatty acids with a secondary dialkanolamine and thereafter with a tertiary tialkanolamine, and to oil based drilling muds containing it.Type: GrantFiled: July 20, 2004Date of Patent: June 7, 2011Assignee: Lamberti SpAInventors: Luigi Merli, Guido De Stefano, Giuseppe Li Bassi
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Patent number: 7932337Abstract: Inverse emulsions useful for the preparation of cosmetic formulations can be prepared wherein the weight ratio between the aqueous phase and the organic phase is from 4:1 and 2:1 and containing from 20 to 70% by weight of an acrylic polymer obtained by inverse emulsion polymerisation of i. from 55 to 75% by weight of an anionic acrylic monomer containing a strongly acidic functional group; ii. from 0.1 to 5% by weight of a cationic acrylic monomer of the formula (I) wherein R1 is hydrogen or methyl; R2, R3, R4 are, one independently of the others, hydrogen or C1-C4 alkyl; Y is NH or O; A is a C1-C6 alkylene; iii. from 25 to 45% by weight of a C3-C5 anionic acrylic monomer containing a carboxylic group.Type: GrantFiled: June 22, 2007Date of Patent: April 26, 2011Assignee: Lamberti SpAInventors: Arianna Benetti, Gianmarco Polotti, Giuseppe Li Bassi
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Patent number: 7909927Abstract: Rheology modifying admixture comprising a) from 80 to 99% w/w of hydroxyalkyl guar, cellulose ether, or mixture thereof; b) from 1 to 20% w/w of biopolymer selected from diutan gum and welan gum, and hydraulic compositions containing the rheology modifier admixture together with a superplasticizer.Type: GrantFiled: January 15, 2009Date of Patent: March 22, 2011Assignee: Lamberti SpaInventors: Giampietro Margheritis, Eva Baldaro, Luca Perrone, Giuseppe Li Bassi
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Patent number: 7901697Abstract: Disclosed are inverse emulsions for the preparation of cosmetic formulations wherein the weight ratio between the aqueous phase and the organic phase is from 4:1 and 2:1 and containing Ron 20 to 70% buy weight of an acrylic polymer obtained by inverse emulsion polymerisation of from 55 to 75% by weight of an anionic acrylic monomer containing a strongly acidic functional group; Ron 0.1 to 5% by weight of a cationic acrylic monomer if the formula (I). Wherein R1 is hydrogen or methyl; R2, R3, R4 are, one independently of the others, hydrogen or C1-C4 alkyl; Y is NH or O; A is a C1-C6 alkylene; from 25 to 45% by weight of a C3-C5 anionic acrylic monomer containing a carboxylic group. Also disclosed is the procedure for their preparation.Type: GrantFiled: June 24, 2003Date of Patent: March 8, 2011Assignee: Lamberti SpAInventors: Arianna Benetti, Gianmarco Polotti, Franco Federici, Guiseppe Li Bassi
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Patent number: 7868054Abstract: The present invention concerns photopolymerisable systems comprising reactive oligomers and/or monomers having ethylenically unsaturated groups and at least one phenylglyoxalic ester that, by photochemical decomposition, generates fragments having low migratability and low odor.Type: GrantFiled: May 10, 2006Date of Patent: January 11, 2011Assignee: Lamberti SpAInventors: Stefano Romagnano, Gabriele Norcini, Marco Visconti, Giuseppe Libassi
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Patent number: 7851029Abstract: This invention concerns photopolymerizable systems containing ethylenically unsaturated reactive oligomers and/or monomers comprising at least one photoinitiator and at least one coinitiator having low-extractability and low-volatility; the photopolymerizable systems of the invention are particularly suited for the preparation of food-packaging coatings.Type: GrantFiled: May 10, 2006Date of Patent: December 14, 2010Assignee: Lamberti SpAInventors: Stefano Romagnano, Angelo Casiraghi, Marco Visconti, Giuseppe Li Bassi
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Publication number: 20100222241Abstract: The inhibition of hydration of clays in drilling operations may be accomplished using an aqueous based drilling fluid containing from 0.2 to 5 wt % of 1,2-cyclohexanediamine and/or its salts.Type: ApplicationFiled: March 10, 2010Publication date: September 2, 2010Applicant: Lamberti SpAInventors: Luigi Merli, Guido De Stefano, Giuseppe Li Bassi
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Publication number: 20100173782Abstract: Homogenous and stable adjuvants in the form of microemulsions for use in agriculture containing: a) a mixture of surfactants comprising i) one or more anionic derivatives of an alkylpolyglycoside; ii) one or more alkylpolyglycosides; iii) one ore more anionic derivatives of a fatty alcohol; b) one or more methyl esters of fatty acids deriving from the transestehfication of vegetable oils, one or more vegetable oils, or mixture thereof; c) one or more nonionic surfactants; d) water.Type: ApplicationFiled: October 25, 2007Publication date: July 8, 2010Applicant: LAMBERTI SPAInventors: Peter Bohus, Gianfranco Paganini, Giuseppe Li Bassi
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Publication number: 20100093883Abstract: The present invention concerns photopolymerisable systems comprising reactive oligomers and/or monomers having ethylenically unsaturated groups and as photoinitiator at least one hydroxamic ester of Formula (I) or (II) or (III).Type: ApplicationFiled: January 31, 2008Publication date: April 15, 2010Applicant: Lamberti SpAInventors: Angelo Casiraghi, Marco Visconti, Gabriele Norcini, Celine Dietlin, Xavier Allonas, Jean Pierre Fouassier, Giuseppe Li Bassi
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Publication number: 20100036114Abstract: Procedure for the preparation of cationic guar having DS comprised between 0.01 and 3, free from boron and suitable for the use in the cosmetic field and in household cleaning products, comprising the following steps: a) 100 parts by weight of guar flour are reacted with 3-chloro-2-hydroxypropyl trimethylammonium chloride and sodium hydroxide in from 5 to 500 parts by weight of a water and alcohol mixture containing from 20 to 50% by weight of water; b) the amount of water and alcohol is regulated in order to obtain a dispersion containing from 65 to 95% by weight of a of water and alcohol mixture containing from 30 to 50% by weight of water and the dispersion is maintained under stirring at temperature comprised between 15 and 40° C. for at least 10 minutes; c) the mixture is filtered under vacuum and dried to obtain the purified cationic guar.Type: ApplicationFiled: April 17, 2007Publication date: February 11, 2010Applicant: LAMBERTI SPAInventors: Eva Baldaro, Raffaella Pelizzari, Mauro Tenconi, Giuseppe Li Bassi
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Publication number: 20100004197Abstract: Procedure for the preparation of cationic guar having DS comprised between 0.01 and 3, soluble at basic pH and suitable for the use in the cosmetic field and in household cleaning products comprising the following steps: a) 100 parts by weight of guar flour are reacted with 3-chloro-2-hydroxypropyl trimethylammonium chloride and sodium hydroxide, in from 5 to 500 parts of a water and alcohol mixture containing from 20 to 50% by weight of water; b) the mixture is acidified to a pH between 4 and 6; c) from 2.2 to 3 parts by weight of glyoxal are added, and the reaction is stirred for approximately 30 minutes; d) from 300 to 1200 parts by weight of ambient temperature water are added and mixed for 10 to 90 minutes; e) the mixture is filtered under vacuum and the product dried to obtain glyoxalated purified cationic guar.Type: ApplicationFiled: April 17, 2007Publication date: January 7, 2010Applicant: LAMBERTI SPAInventors: Eva Baldaro, Mauro Tenconi, Giuseppe Li Bassi
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Publication number: 20090209659Abstract: Liquid thickener for aqueous systems containing, as viscosity suppressing agent, from 5 to 40% wt of ethoxylated mono- and/or di-glycerides of carboxylic acids having from 6 to 18 carbon atoms, from 15 to 40% wt of a polyurethane associative thickener, obtained from the reaction of at least one organic polyisocyanate, at least one water soluble polyether diol and at least one hydrophobic capping agent containing from 10 to 24 carbon atoms, from 20 to 80% wt of water, and which is devoid of organic solvents, volatile organic compounds and other viscosity suppressing agents.Type: ApplicationFiled: October 23, 2006Publication date: August 20, 2009Applicant: LAMBERTI SPAInventors: Anna Di Cosmo, Giuseppe Li Bassi
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Publication number: 20090137170Abstract: Procedure for preparing a non-woven colour-catcher fabric comprising the following steps: a) a cationic dye sequestering agent is applied on a non-woven fabric; b) the non-woven fabric is dried at a temperature comprised between 120 and 180° C.; c) a printing paste comprising an anionic polyacrylic dispersant or a sulfonated aromatic-formaldehyde condensation product having dispersing properties is applied on the non-woven fabric by printing technique.Type: ApplicationFiled: January 29, 2007Publication date: May 28, 2009Applicant: LAMBERTI SPAInventors: Marco Luoni, Giuseppe Li Bassi