Novamont S.p.A. Patent applications |
Patent application number | Title | Published |
20150152354 | PROCESS FOR THE PREPARATION OF COMPLEX OLIGOMERIC STRUCTURES - The invention relates to a process for the preparation of complex oligomeric structures obtained from vegetable oils. These structures comprise esters containing acid groups which are in turn esterified. | 06-04-2015 |
20150079867 | POLYESTERS COMPRISING 2-METHYLGLUTARIC ACID, PROCESS FOR PRODUCTION OF THE SAID POLYESTERS AND PRODUCTS OBTAINED THEREWITH - This invention relates to a polyester characterised by noteworthy workability properties even when mixed with other polymers and being capable of being converted into products such as for example films, fibres, non-woven fabrics, sheets, moulded, thermoformed, blow-moulded and expanded articles, characterised by great toughness and high elongation at failure values. This invention also relates to processes for production of the said polyesters. | 03-19-2015 |
20150031802 | BIODEGRADABLE POLYMER COMPOSITION FOR THE MANUFACTURE OF ARTICLES HAVING A HIGH HEAT DEFLECTION TEMPERATURE - This invention relates to a biodegradable polymer composition which is particularly suitable for use in the manufacture of articles having a high heat deflection temperature (HDT) by injection moulding and thermoforming. | 01-29-2015 |
20140106097 | PROCESS FOR THE PRODUCTION OF BIODEGRADABLE FILMS HAVING IMPROVED MECHANICAL PROPERTIES - Process to produce improved biodegradable plastic films, comprising producing a biodegradable plastic film by bubble blowing, then subjecting it to monoaxial or biaxial cold stretching with a stretch ratio in the range from 1:1 to 1:4. | 04-17-2014 |
20140079933 | METHOD AND APPARATUS FOR PRODUCING BIODEGRADABLE FOAM - Methods, associated products and apparatus are described for the production of biodegradable foam products using a controlled pressure increase due to compressed air and a controlled pressure decrease in pressure as key variables during a microwave heating cycle to produce a foamed product. The biodegradable product formed has improved characteristics including a density from 10 to 100 kg/m | 03-20-2014 |
20130289301 | COMPLEX OLIGOMERIC STRUCTURES - Mixture of triglycerides obtained from vegetable oils comprising one or more of the following oligomeric structures: R4—[O—C(O)—R1—C(O)—O—CH2—CH(OR2)—CH2]n—O—R3 wherein R1 is selected from C2-C22 alkylenes, R2 is selected from one or more of the following groups consisting of C6-C24 dicarboxylic acid residues and C6-C24 monocarboxylic acid residues, R3 is selected from one or more of the following groups consisting of H, C6-C24 dicarboxylic acid residues and C6-C24 monocarboxylic acid residues, R4 is an alkyl group, n is an integer greater than or equal to 2, said C6-C24 dicarboxylic acid residues of R2 and R3 being esterified with monoalcohols and said mixture of triglycerides having a Numerical Average Molecular Weight (Mn) of between 800 and 10.000 Da. | 10-31-2013 |
20130289182 | VEGETABLE OIL DERIVATIVES AS EXTENDER OILS FOR ELASTOMER COMPOSITIONS - Elastomer composition comprising at least one elastomer and at least one vegetable oil derivative selected from one or more of: a. mixture of triglycerides comprising one or more of the following oligomeric structures: R4[OC(O)R | 10-31-2013 |
20130281560 | POLYESTER COMPOSITION - This invention relates to a polymer composition comprising at least two polyesters having improved mechanical properties, in particular a good balance between ultimate tensile strength, elastic modulus and elongation on failure. This composition is particularly suitable for the production of manufactured articles such as for example films, moulded objects, thermoformed objects or expanded articles. | 10-24-2013 |
20130217836 | BIODEGRADABLE POLYESTER AND WRAPPING FILMS FOR PACKAGING PRODUCED THEREWITH - This invention relates to a biodegradable polyester which is particularly suitable for use for the manufacture of wrapping films for packaging, comprising units deriving from at least one diacid and at least one diol, characterised by a high static friction coefficient in comparison with conventional biodegradable polyesters. A further object of this invention is a wrapping film comprising the said biodegradable polyester. | 08-22-2013 |
20130137882 | PROCESS FOR THE SYNTHESIS OF 2,5-FURANDICARBOXYLIC ACID - Process for the synthesis of 2,5-furandicarboxylic acid through the oxidation of -hydroxymethylfurfural in a flow of oxygenor a compound containing oxygen, catalysed by a supported catalyst containing a metal of the platinum group, carried out in aqueous solution in which the pH is maintained higher than 7 and lower than 12 through the addition of a weak base. | 05-30-2013 |
20130136879 | POLYPHASE BIODEGRADABLE COMPOSITIONS CONTAINING AT LEAST ONE POLYMER OF VEGETABLE ORIGIN - Polyphase biodegradable compositions having a good resistance to ageing comprising a continuous phase comprising at least one hydrophobic polyester and at least one dispersed phase of polymer of vegetable origin. The hydrophobic polyester constituting the continuous phase is incompatible with the polymer of vegetable origin. The compositions comprise a plasticiser comprising at least 75% of a mixture of diglycerol, triglycerol and tetraglycerol. | 05-30-2013 |
20130131224 | BIODEGRADABLE COMPOSITION HAVING HIGH MECHANICAL CHARACTERISTICS - A starch based biodegradable composition comprising starch, a polyvinyl alcohol covinyl acetate copolymer and pentaerythritol, which can be produced industrially according to the techniques commonly used for traditional plastics is provided. | 05-23-2013 |
20130071588 | ALIPHATIC-AROMATIC COPOLYESTERS AND THEIR MIXTURES - This invention relates to an aliphatic-aromatic copolyester characterised in that it has appreciable workability properties even when mixed with other polymers, appreciable toughness and high values for ultimate tensile strength and elastic modulus. This invention also relates to mixtures of the said copolyester with other polymers. | 03-21-2013 |
20130065055 | BIODEGRADABLE PELLETS FOAMED BY IRRADIATION - This invention relates to biodegradable starch-based pellets which foamable by irradiation, which are particularly suitable for the manufacture of foam articles, characterised in that they have a porous structure with a low porous external skin. This invention also relates to foam articles obtained from these. | 03-14-2013 |
20120323028 | CONTINUOUS PROCESS OF OXIDATIVE CLEAVAGE OF VEGETABLE OILS - There is described a continuous process for the oxidative cleavage of vegetable oils containing triglycerides of unsaturated carboxylic acids, for the obtainment of saturated carboxylic acids, comprising the steps of:
| 12-20-2012 |
20120322908 | MIXTURES OF BIODEGRADABLE POLYESTERS WITH AT LEAST ONE POLYMER OF NATURAL ORIGIN - The present invention relates to mixtures comprising of biodegradable polyesters comprising at least one polymer of natural origin and at least two aliphatic-aromatic polyesters of the diacid-diol type of which at least one with a high content of long chain aliphatic diacids of renewable origin showing excellent mechanical properties, sufficiently high melting temperatures, adequate crystallization rates, improved biodegradability properties as well as stability of physical properties over time. | 12-20-2012 |
20120316257 | BIODEGRADABLE COMPOSITION COMPRISING POLYMERS OF NATURAL ORIGIN AND ALIPHATIC-AROMATIC COPOLYESTERS - The present invention relates to a biodegradable composition comprising at least one polymer of natural origin and at least one aliphatic-aromatic copolyester obtained starting from mixtures comprising aliphatic diols, polyfunctional aromatic acids, and at least two aliphatic dicarboxylic acids, at least one of which is long chain. Said composition combines improved biodegradability, excellent mechanical properties, a high level of industrial processability, limited environmental impact as well as stability of physical properties under the influence of environmental factors. | 12-13-2012 |
20120302778 | CONTINUOUS PROCESS FOR THE PRODUCTION OF DERIVATIVES OF SATURATED CARBOXYLIC ACIDS - There is described a continuous process for the oxidative cleavage of derivatives of unsaturated carboxylic acids for the production of saturated carboxylic acids and their derivatives comprising the steps of:
| 11-29-2012 |
20120245259 | TERNARY MIXTURE OF BIODEGRADABLE POLYESTERS AND PRODUCTS OBTAINED THEREFROM - The invention relates to a mixture of biodegradable polyesters comprising: (A) a polyhydroxy acid of the poly-ε-caprolactone type and its copolymers, (B) aliphatic polyester, and (C) a polymer of polylactic acid, in which the concentration of (A) varies with respect to (A+B) in the range between 40 and 70% by weight, and the concentration of (C) with respects to (A+B+C) lies between 2 and 30%. | 09-27-2012 |
20120226060 | PROCESS FOR THE CATALYTIC CLEAVAGE OF VEGETABLE OILS - Process for the production of saturated monocarboxylic acids and triglycerides of saturated carboxylic acids having more than one acid function starting from non-modified vegetable oils containing triglycerides of unsaturated fatty acids, comprising the oxidative cleavage of the unsaturated fatty acids. | 09-06-2012 |
20120225230 | BIODEGRADABLE ALIPHATIC-AROMATIC COPOLYESTER - Biodegradable aliphatic/aromatic copolyester comprising: A) an acid component comprising repeating units of: 1) 53 to 54 mol % of an aromatic carboxylic acid; 2) 47 to 36 mol % of an aliphatic acid at least 50% of which is azelaic acid; B) a diol component selected from the group consisting of C | 09-06-2012 |
20120220698 | BIODEGRADABLE ALIPHATIC-AROMATIC POLYESTER - Biodegradable aliphatic/aromatic copolyester comprising: A) an acid component comprising repeating units of: 1) 49 to 63 mol % of an aromatic carboxylic acid; 2) 51 to 37 mol % of an carboxylic acid, at least 50% of which is brassylic acid; B) a diol component; said copolyester being disintegrated according to the Standard ISO 20200 in 90 days. | 08-30-2012 |
20120220687 | BIODEGRADABLE ALIPHATIC-AROMATIC COPOLYESTER - Biodegradable aliphatic/aromatic copolyester comprising 49 to 66 mol % of an aromatic polyfunctional acid; 51 to 34 mol % of an aliphatic acid, at least 70% of which is sebacic acid; and butandiol; and blends containing such copolyester. | 08-30-2012 |
20120220680 | BIODEGRADABLE ALIPHATIC-AROMATIC POLYESTER - The present invention relates to biodegradable aliphatic-aromatic polyesters obtained from aliphatic dicarboxylic acids, polyfunctional aromatic acids and diols, wherein the polyfunctional aromatic acids are constituted by mixtures of acids of renewable and synthetic origin. | 08-30-2012 |
20120219740 | BIODEGRADABLE ALIPHATIC-AROMATIC POLYESTERS - Biodegradable aliphatic/aromatic copolyester comprising 50 to 60 mol % of an aromatic dicarboxylic acid and 40 to 50 mol % of an aliphatic acid, at least 90% of which is a long-chain dicarboxylic acid (LCDA) of natural origin selected from azelaic acid, sebacic acid, brassylic acid or mixtures thereof; and a diol component. | 08-30-2012 |
20120178896 | BIODEGRADABLE POLYESTER - The present invention relates to a substantially gel-free and substantially linear biodegradable polyester obtainable by means of reaction with radical initiators starting from a precursor polyester provided with an unsaturated chain terminator, said terminator having the formula: | 07-12-2012 |
20110071238 | ALIPHATIC-AROMATIC BIODEGRADABLE POLYESTER - The invention refers to aliphatic-aromatic biodegradable polyesters obtained from aliphatic dicarboxylic acids, aromatic acids of renewable origin and diols, and also to blends of said polyesters with other biodegradable polymers of either natural or synthetic origin. | 03-24-2011 |
20110020660 | BIODEGRADABLE POLYESTER, PREPARATION PROCESS THEREOF AND PRODUCTS COMPRISING SAID POLYESTER - The invention relates to a biodegradable polyester, particularly suitable for extrusion coating, comprising units deriving from at least a diacid and at least a diol, with long chain branches (isometric with respect to the main chains of the polyester) and essentially gel-free, characterized by optimum adhesion to paper, excellent sealability and processability in extrusion coating systems. Said biodegradable polyester is obtainable through a reactive extrusion process starting from a substantially linear polyester precursor with defined viscosity and concentration of reactive sites which allow transformation of a few chains of the polyester precursor into isometric branches of this polyester. A further object of the present invention is a laminate product composed of at least a backing, preferably paper, and of at least a first layer composed of polyester according to the invention. | 01-27-2011 |
20100311995 | PROCESS FOR THE CATALYTIC CLEAVAGE OF VEGETABLE OILS - Process for the production of saturated monocarboxylic acids and triglycerides of saturated carboxylic acids having more than one acid functionstarting from non-modified vegetable oils containing triglycerides of unsaturated fattyacids, comprising the oxidative cleavage of the unsaturated fatty acids. | 12-09-2010 |
20100119801 | METHOD AND APPARATUS FOR PRODUCING BIODEGRADABLE FOAM - Methods, associated products and apparatus are described for the production of biodegradable foam products using a controlled pressure increase due to compressed air and a controlled pressure decrease in pressure as key variables during a microwave heating cycle to produce a foamed product. The biodegradable product formed has improved characteristics including a density from 10 to 100 kg/m | 05-13-2010 |
20100081737 | BIODERGRADABLE COMPOSITION HAVING HIGH MECHANICAL CHARACTERISTICS - The invention relates to a starch based biodegradable composition comprising starch, a polyvinyl alcohol co-vinyl acetate copolymer and pentaerythritol, which can be produced industrially according to the techniques commonly used for traditional plastics. | 04-01-2010 |
20100062670 | POLYMERIC COMPOSITION COMPRISING POLYOEFINS AND ALIPHATIC-AROMATIC COPOLYESTERS - Polymeric composition comprising a polyolefin and a diacid-diol aliphatic-aromatic copolyester with aromatic part consisting mainly of terephthalic acid or its derivatives, aliphatic part consisting of azelaic acid, sebacic acid and brassylic acid and diol C | 03-11-2010 |
20100016470 | BIODEGRADABLE MATERIAL FOR INJECTION MOLDING AND ARTICLES OBTAINED THEREWITH - The invention relates to a starch based biodegradable material comprising starch, polyvinyl-alcohol-co-vinylacetate copolymer and at least one plasticizer and to articles obtained therefrom particularly suitable to be injection molded. | 01-21-2010 |
20100003434 | BIODEGRADABLE MULTIPHASE COMPOSITIONS BASED ON STARCH - The present invention relates to biodegradable multiphase compositions characterized in that they comprise three phases: (a) a continuous phase composed of a matrix of at least one tough hydrophobic polymer incompatible with the starch; (b) a nanoparticulate dispersed starch phase with mean dimensions of less than 0.3 μm, (c) a further dispersed phase of at least one rigid and fragile polymer with modulus greater than 1000 MPa. Such compositions having a Modulus greater than 300 MPa and a substantial isotropy in the two longitudinal and transverse directions in relation to tear propagation. | 01-07-2010 |
20090311455 | BIODEGRADABLE COMPOSITIONS BASED ON NANOPARTICULATE STARCH - The present invention relates to biodegradable multiphase compositions comprising a continuous phase composed of a matrix of at least one tough hydrophobic polymer incompatible with the starch and a nanoparticulate dispersed starch phase with mean dimensions of less than 0.25 m. The compositions are characterized by breaking load, Young's Modulus and breaking energy. | 12-17-2009 |
20090005472 | Biodegradable Aliphatic-Aromatic Copolyester - Biodegradable aliphatic/aromatic copolyester comprising: A) an acid component comprising repeating units of: 1) 53 to 54 mol % of an aromatic carboxylic acid; 2) 47 to 36 mol % of an aliphatic acid at least 50% of which is azelaic acid ; B) a diol component selected from the group consisting of C | 01-01-2009 |
20080245995 | Improved Process for the Production of Derivatives of Saturated Carboxylic Acids - A process for the production of carboxylic acids and their derivatives comprising the steps of: (c) reacting a derivative of an unsaturated fatty acid with an oxidizing compound in the presence of a catalyst capable of catalysing the reaction of oxidation of the double olefinic bond of the derivative of the unsaturated fatty acid so as to obtain as intermediate product of reaction a vicinal diol; and (d) reacting said intermediate compound with oxygen, or a compound containing oxygen, in the presence of a catalyst capable of catalysing the reaction of oxidation of the hydroxyl groups of the vicinal diol to carboxylic groups, characterized in that both of the steps (a) and (b) are carried out in the absence of added organic solvent and in that the water/diol ratio in the reaction of step (b) is less than 1:1. | 10-09-2008 |
20080214724 | PROCESS FOR FORMING BIODEGRADEABLE POLYESTERS BY REACTIVE EXTRUSION - Described is a process for increasing the molecular weight of a composition of one or more biodegradable aliphatic and/or aliphatic-aromatic thermoplastic polyesters of the dicarboxylic acid/diol type, comprising the reactive extrusion of said polyesters with organic peroxides; and a composition obtained by the process. | 09-04-2008 |
20080214702 | Biodegradable Aliphatic-Aromatic Polyesters - Biodegradable aliphatic/aromatic copolyester comprising 50 to 60 mol % of an aromatic dicarboxylic acid and 40 to 50 mol % of an aliphatic acid, at least 90% of which is a long-chain dicarboxylic acid (LCDA) of natural origin selected from azelaic acid, sebacic acid, brassylic acid or mixtures thereof; and a diol component. | 09-04-2008 |