Abstract: 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:
Application
Filed:
October 25, 2007
Publication date:
July 8, 2010
Applicant:
LAMBERTI SPA
Inventors:
Peter Bohus, Gianfranco Paganini, Giuseppe Li Bassi
Abstract: 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:
Application
Filed:
January 31, 2008
Publication date:
April 15, 2010
Applicant:
Lamberti SpA
Inventors:
Angelo Casiraghi, Marco Visconti, Gabriele Norcini, Celine Dietlin, Xavier Allonas, Jean Pierre Fouassier, Giuseppe Li Bassi
Abstract: 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:
Application
Filed:
April 17, 2007
Publication date:
February 11, 2010
Applicant:
LAMBERTI SPA
Inventors:
Eva Baldaro, Raffaella Pelizzari, Mauro Tenconi, Giuseppe Li Bassi
Abstract: 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:
Application
Filed:
April 17, 2007
Publication date:
January 7, 2010
Applicant:
LAMBERTI SPA
Inventors:
Eva Baldaro, Mauro Tenconi, Giuseppe Li Bassi
Abstract: 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.
Abstract: 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.
Abstract: Hydration of clays and shales may be inhibited during drilling operations by using a clay and shale inhibitor. The inhibitor may be used with a water based drilling fluid. The clay and shale inhibitor includes from 0.2 to 5 % by weight of a reaction product of an epoxy resin with at least one primary or secondary aliphatic or cycloaliphatic amine.
Type:
Application
Filed:
November 21, 2008
Publication date:
May 21, 2009
Applicant:
LAMBERTI SPA
Inventors:
Franco Federici, Jacopo Franchini, Thierry Bossi, Luigi Merli, Giuseppe Li Bassi
Abstract: The present invention relates to clear photopolymerisable systems for the preparation of high thickness coatings, to a procedure for their application and to the solid surfaces coated with them.
Type:
Grant
Filed:
August 3, 2004
Date of Patent:
May 19, 2009
Assignee:
Lamberti SpA
Inventors:
Gabriele Norcini, Stefano Romagnano, Marco Visconti, Giuseppe Li Bassi
Abstract: The present invention is refereed to a white solid photoinitiator in the form of powder and consisting of 2-hydroxy-1-{4-[4-(2-hydroxy-2-methyl-propionyl)-phenoxy]-phenyl}-2-methyl-propan-1-one (COMPOUND1), and to the procedure for its preparation.
Type:
Grant
Filed:
October 14, 2004
Date of Patent:
January 27, 2009
Assignee:
Lamberti SpA
Inventors:
Gabriele Norcini, Stefano Romagnano, Marco Visconti, Gluseppe Li Bassi
Abstract: The present invention relates to highly hydroxyalkylated, glyoxal crosslinked, purified hydroxyalkyl guar useful as additive in the building industry, and to a method for its preparation.
Type:
Grant
Filed:
March 12, 2003
Date of Patent:
July 8, 2008
Assignee:
Lamberti SpA
Inventors:
Cristina Rinaldi, Ugo Pfeiffer, Giuseppe Molteni, Giuseppe Li Bassi
Abstract: The present invention relates to highly hydroxyalkylated, glyoxal crosslinked, purified hydrophobically modified hydroxyalkyl guar useful as additive in the building industry, and to a method for its preparation.
Type:
Grant
Filed:
March 12, 2003
Date of Patent:
April 8, 2008
Assignee:
Lamberti SpA
Inventors:
Cristina Rinaldi, Ugo Pfeiffer, Giuseppe Molteni, Giuseppe Li Bassi
Abstract: Inverse emulsions, useful in applications such as cosmetics, are those wherein the weight ratio between the aqueous phase and the organic phase is from 4:1 to 2:1 and containing from 20 to 70% by weight of an acrylic polymer comprising monomeric units deriving from: i) 2-acrylamido-2-methylpropanesulfonic acid; ii) at least one cationic acrylic monomer of 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; X is an anion; iii) acrylic or methacrylic acid; iv) at least one polyfunctional monomer, the inverse emulsion being characterized by the fact that in the polymer the monomeric units deriving from 2-acrylamido-2-methylpropanesulfonic acid represent from 1% to 29% molar of the total monomers i), ii) and iii).
Type:
Application
Filed:
August 1, 2007
Publication date:
February 28, 2008
Applicant:
LAMBERTI SpA
Inventors:
Andrea Mitarotonda, Arianna Benetti, Giuseppe Li Bassi
Abstract: 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:
Application
Filed:
June 22, 2007
Publication date:
November 8, 2007
Applicant:
LAMBERTI SPA
Inventors:
Arianna BENETTI, Gianmarco POLOTTI, Giuseppe LI BASSI
Abstract: An additive for reducing filtrate loss may be obtained by the reaction of carboxymethyl cellulose with an ethylenically unsaturated monomer containing a sulfonic group in the form of acid or salt thereof. The product of the reaction useful in water-based drilling muds which are employed in the drilling and/or completion of oil wells. The additive exhibits its characteristic function of filtrate reduction even at high temperature and pressure conditions; and, moreover, it is suitable for application in the presence of salts and solids.
Type:
Application
Filed:
December 22, 2006
Publication date:
July 12, 2007
Applicant:
LAMBERTI SPA
Inventors:
Stefania Vecchi, Christina Demarchi, Laura Vigano, Giuseppe Bassi, Dario Chiavacci
Abstract: The present invention relates to sulfonium salts, to methods for their preparation and to radiation curable compositions containing them as photoinitiators.
Type:
Grant
Filed:
July 4, 2002
Date of Patent:
June 12, 2007
Assignee:
Lamberti SpA
Inventors:
Gabriele Norcini, Angelo Casiraghi, Marco Visconti, Giuseppe Li Bassi
Abstract: A composition for positive heat sensitive computer-to-plate (CTP) lithographic printing plates comprising a phenolic resin and an IR absorber characterized by the fact that the composition contains from 1 to 30% w/w of an organic oxygenated phosphorous compound chosen from the group of general formula (I): wherein R1, R2, and R3 are independently a C4–C8 alkyl group or an aryl group.
Type:
Grant
Filed:
March 18, 2003
Date of Patent:
April 10, 2007
Assignee:
Lamberti SpA
Inventors:
Gabriele Norcini, Stefano Romagnano, Marco Visconti, Giuseppe Li Bassi
Abstract: The present invention refers to solid mixtures of alpha hydroxycarbonyl derivatives of alpha-methylstyrene oligomers containing at least 90% of the dimer isomers, the dimer isomer ratio being between 2.5 and 7, to their preparation and to their use as photoinitiators in photopolymerisation.
Type:
Grant
Filed:
April 3, 2002
Date of Patent:
February 7, 2006
Assignee:
Lamberti SpA
Inventors:
Marco Visconti, Gabriele Norcini, Giuseppe Li Bassi
Abstract: Disclosed are chlorine containing polymer compositions containing stabilizers which impart good thermal stability. PVC compositions and, in particular, flexible PVC compositions containing stabilizers which are oligomeric and/or polymeric aminouracyls exhibit high thermal stability as evidenced by improved resistance to yellowing and blistering upon extended exposure to high temperatures.
Type:
Grant
Filed:
July 17, 2001
Date of Patent:
September 14, 2004
Assignee:
Lamberti SpA
Inventors:
Gabriele Pietro Norcini, Guido Allieri, Angelo Roberto Casiraghi, Mauro Ferracini, Marco Visconti, Giuseppe Li Bassi
Abstract: Disclosed are cementitious mortar additives comprising a hydroxyalkyl guar derivative having a molar substitution of from about 0.7 to about 3. Also disclosed are dry cementitious mortar compositions including from 0.1 to 1.5% by weight of the additive and cured cementitious mortars obtained by addition of water to the dry cementitious mortar compositions.
Type:
Grant
Filed:
June 3, 2002
Date of Patent:
March 16, 2004
Assignee:
Lamberti SpA
Inventors:
Enrico Sironi, Giampietro Margheritis, Ugo Claudio Pfeiffer, Giuseppe Li Bassi
Abstract: Disclosed are cementitious mortar additives including at least a hydroxyalkyl guar derivative. Also dislcosed are dry cementitious mortar competitions including from 0.1 to 1.5% by weight of the additive and cured cementitious mortars obtained by addition of water to the dry cementitious mortar compositions.
Type:
Application
Filed:
June 3, 2002
Publication date:
December 4, 2003
Applicant:
Lamberti SpA
Inventors:
Enrico Sironi, Giampietro Margheritis, Ugo Claudio Pfeiffer, Giuseppe Li Bassi