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| Number | Title | Issue Date |
| 7384993 | Biodegradable polymer A biodegradable polymer is disclosed having the composition g) from 8 to 80% by weight of a starch modified to include an hydroxyalkyl C2-6 group or modified by reaction with an anhydride of a dicarboxylic acid, preferably hydroxypropylated high amylose s... | 06/10/2008 |
| 7326743 | Biodegradable polymer A biodegradable polymer is disclosed having the composition g) from 8 to 80% by weight of a starch modified to include an hydroxyalkyl C2-6 group or modified by reaction with an anhydride of a dicarboxylic acid, preferably hydroxypropylated high amylose s... | 02/05/2008 |
| 7276546 | Carbohydrate esters and polyol esters as plasticizers for polymers, compositions and articles including such plasticizers and methods of using the same The invention relates to methods of making carbohydrate and polyol esters suitable for use as plasticizers for polymer compositions. The invention also relates to plasticized polymer compositions comprising such carbohydrate and polyol esters. The invention also rel... | 10/02/2007 |
| 7135063 | Resilient biodegradable packaging materials Biodegradable starch-based extruded products and methods of manufacturing those products are provided. In particular, extruded starch products processed by compression, stretching or compression and stretching provide excellent flexibility, pliability, dimensional s... | 11/14/2006 |
| 7025821 | Non-thermoplastic starch fibers and starch composition for making same Non-thermoplastic starch fibers having no melting point and having apparent peak wet tensile stress greater than about 0.2 MegaPascals (MPa). The fibers can be manufactured from a composition comprising a modified starch and a cross-linking agent. The composition ca... | 04/11/2006 |
| 6977275 | Carbohydrate esters and polyol esters as plasticizers for polymers, compositions and articles including such plasticizers and methods of using the same The invention relates to methods of making carbohydrate and polyol esters suitable for use as plasticizers for polymer compositions. The invention also relates to plasticized polymer compositions comprising such carbohydrate and polyol esters. The invention also rel... | 12/20/2005 |
| 6956070 | Water-soluble film and package using the same The present invention provides a water-soluble film which comprises a modified polyvinyl alcohol containing an N-vinylamide monomer unit in an amount of 1 to 10 mole percent, and a carboxyl group and a lactone group in a total amount of 0.020 to 4.0 mole percent in ... | 10/18/2005 |
| 6802895 | Non-thermoplastic starch fibers and starch composition for making same Non-thermoplastic starch fibers having no melting point and having apparent peak wet tensile stress greater than about 0.2 MegaPascals (MPa). The fibers can be manufactured from a composition comprising a modified starch and a cross-linking agent. The composition ca... | 10/12/2004 |
| 6800593 | Hydrophilic polymer concentrates Disclosed is a hydrophilic, water soluble polymer concentrate for addition to aqueous liquids to enhance the properties thereof, particularly to increase the viscosity or decrease the fluid loss of well drilling and servicing fluids, the concentrate comprising a hyd... | 10/05/2004 |
| 6723160 | Non-thermoplastic starch fibers and starch composition for making same Non-thermoplastic starch fibers having no melting point and having apparent peak wet tensile stress greater than about 0.2 MegaPascals (MPa). The fibers can be manufactured from a composition comprising a modified starch and a cross-linking agent. The composition ca... | 04/20/2004 |
| 6667354 | Stable liquid suspension compositions and suspending mediums for same Stable and environmentally friendly suspensions of solid particulates are provided through the addition of such solid particulates to a suspension medium which is comprised of a liquid carrier, a liquid carrier soluble resin, an organophyllic clay, and an... | 12/23/2003 |
| 6656984 | Hydrophobic polymer dispersion and process for the preparation thereof The invention relates to a hydrophobic polymer dispersion and a solvent-free process for the preparation thereof. According to the invention, the dispersion contains starch ester together with dispersion admixtures known as such. According to the process,... | 12/02/2003 |
| 6632862 | Biodegradable polymer compositions, methods for making same, and articles therefrom A polymer composition includes a first component being a hydroxy-functional polymer, a second component being a natural polymer and a third component being a thermoplastic polyester. The first component, second component and third component are compounded... | 10/14/2003 |
| 6506824 | Thermoplastic compositions comprising starch and other components from natural origin Biodegradable thermoplastic compositions comprising a starch component, a cellulose ester or ether, a plasticizer for the starchy phase and of the cellulose and derivatives, and a compatibilizer agent selected from polymers compatible with the cellulose a... | 01/14/2003 |
| 6362256 | Biodegradable polymer compositions, methods for making same and articles therefrom A polymer composition includes a first component being a hydroxy-functional polymer, a second component being a natural polymer and a third component being a thermoplastic polyester. The first component, second component and third component are compounded... | 03/26/2002 |
| 6359040 | Aqueous systems comprising an ionic polymer and a viscosity promoter, processes for their preparation, and uses thereof Aqueous compositions having advantageous Theological properties, preferably including any of enhanced yield stress, enhanced viscosity, and/or enhanced water retention, are disclosed. Included are low-viscosity compositions having high yield stress. The p... | 03/19/2002 |
| 6225381 | Photographic quality inkjet printable coating An inkjet printing coating compositions and recording sheets having printable coating compositions on substrates which are suitable for photographic quality prints by inkjet printing technology, such as thermal and piezo. The recording sheet which compris... | 05/01/2001 |
| 6214907 | Biologically degradable polymer mixture A biologically degradable polymer mixture is proposed which consists essentially of starch and at least one hydrophobic polymer. The hydrophobic polymer is in this connection at least substantially biologically degradable and thermoplastically processable... | 04/10/2001 |
| 6210475 | Use of hydroxyalkylated starches for improved emulsification of sizing agents The present invention is directed to paper sizing emulsions, a method of making sizing emulsions, a method of sizing paper products, such as paper and board, and paper or board made using the method and the sizing emulsions of the invention. The paper siz... | 04/03/2001 |
| 6191196 | Biodegradable polymer compositions, methods for making same and articles therefrom A polymer composition uncludes a first component being a hydroxy-functional polymer, a second component being a natural polymer and a third component being a thermoplastic polyester. The first component, second component and third component are compounded... | 02/20/2001 |
| 6121439 | Waterborne coatings with cationically modified associative ethers A coating composition is composed of a water-soluble polysaccharide composition comprising at least one hydrophobic group selected from aryl, alkyl, alkenyl, aralkyl and mixtures thereof and at least one quaternary ammonium salt group, both connected to a... | 09/19/2000 |
| 6074468 | Sizing composition This invention relates to a sizing composition comprising (a) thermoplastic resin selected from the group consisting of thermoplastic rosins having an acid number less than 50, thermoplastic hydrocarbon resins, thermoplastic polyamides and thermoplastic a... | 06/13/2000 |
| 6054510 | Biodegradable formed article Compositions of the invention include a hydroxy-functional polyester and a natural polymer. Articles can be made from such a composition so as to have sufficiently strong tensile strengths as to form disposable utensils or to have sufficient stretchabilit... | 04/25/2000 |
| 6011092 | Thermoplasticized starch component and process for the preparation thereof The invention relates to a process for thermoplasticizing starch, a melt-processible polymer composition, which contains a starch-based component and a thermoplastisized polymer component, and a method for preparating such a composition. According to the ... | 01/04/2000 |
| 6001913 | Latex compositions containing ethylenically unsaturated esters of long-chain alkenols Novel latex or emulsion compositions containing internally plasticizing and crosslinkable long-chain alkenol ester monomers are disclosed and claimed. Preferred embodiments include latex formed from acrylate or methacrylate esters of long-chain alkenols. ... | 12/14/1999 |
| 5993530 | Aqueous dispersion of biodegradable resin composition A thermally-decomposable, biodegradable resin composition is dispersed and stabilized in water optionally along with additives to give an aqueous dispersion of the resin composition. In the dispersion, the base polymer consists substantially of a water-in... | 11/30/1999 |
| 5989329 | Biostable water-borne paints Water-borne paints containing reduced molecular weight polysaccharide derivatives that are resistant to enzyme hydrolysis. The water-borne paints are biostable, retaining at least about 80% of their initial viscosity 24 hours after they are inoculated wit... | 11/23/1999 |
| 5922119 | Use of aqueous protective coating compositions for industrial coatings and aqueous coating compositions The invention is directed to the use of an aqueous protective coating composition containing a binder system and an associative thickener for industrial coatings. The associative thickener is not a polyurethane thickener and is selected so that its concen... | 07/13/1999 |
| 5879440 | Biostable water-borne paints and processes for their preparation Water-borne paints containing reduced molecular weight polysaccharide derivatives that are resistant to enzyme hydrolysis. The water-borne paints are biostable, retaining at least about 80% of their initial viscosity 24 hours after they are inoculated wit... | 03/09/1999 |
| 5874486 | Biodegradable polymeric composition A polymeric composition comprises a matrix including a starch component and at least one synthetic thermoplastics polymeric component in which a filler is dispersed, characterised in that the matrix includes a fluidising agent selected from the group cons... | 02/23/1999 |
| 5847031 | Polymer composition, absorbent composition, their production and use A polymer composition, in particular an active substance-containing depot material composition or an absorbent composition are disclosed which substantially consist of a water-soluble and/or water-swellable polymer based on polysaccharides as the main com... | 12/08/1998 |
| 5834538 | Pressure sensitive adhesives A pressure sensitive adhesive(PSA) composition includes a latex system of an aqueous polymer dispersion derived from ethylenically-unsaturated monomers in the presence of a water soluble protective colloid. The PSA compositions are used in the manufacture... | 11/10/1998 |
| 5834533 | Stable liquid suspension compositions A stable liquid suspension composition comprising a liquid carrier, a solid fatty acid or a salt thereof, and a solid particulate is disclosed wherein said liquid carrier is selected from the group consisting of oils, olefins, terpenes, glycols, esters, e... | 11/10/1998 |
| 5770319 | Densification of lignocellulosic material The invention comprises a method of densifying lignocellulosic material such as wood. The wood is impregnated with a maltodextrin solution under vacuum and/or pressure and the maltodextrin is then cross linked to insolubilise the maltodextrin. A wood-poly... | 06/23/1998 |
| 5721295 | Polymer composition, absorbent composition, their production and use A polymer composition, in particular an absorbent composition or an active substance-containing depot material are disclosed which substantially consist of a water-soluble and/or water-swellable polymer based on polysaccharides as the main component, and ... | 02/24/1998 |
| 5693692 | Depressant for flotation separation of polymetallic sulphide ores A new depressant for use in enhanced separation of polymetallic sulphides is described. The depressant agent is used in conjunction with conventional collector agents and frothing agents in the flotation separation of copper, nickel, lead, zinc sulphides ... | 12/02/1997 |
| 5654353 | Biodegradable composition, a process for preparing the same and the use thereof The present invention relates to a degradable starch resin composition, a process for preparing the same and the use thereof. Said composition comprises starch, synthetic resin, mixing promoter, plasticizer, degradation accelerator and other additives. Sa... | 08/05/1997 |
| 5565509 | Reinforced films made from water soluble polymers A dried film reinforced with coalescable water insoluble polymer particles which are substantially noncoalesced is disclosed. Also disclosed are dried films reinforced with noncoalesced water insoluble polymer particles which are readily water dispersible... | 10/15/1996 |
| 5554660 | Water humidity resistant starch foams An expanded foamed starch product with improved water/humidity resistance comprising the combination of a starch or flour modified with alkylene oxide and a starch ester having an intermediate DS of from about 1.0 to 1.8 or a flour ester having a DS of 0.... | 09/10/1996 |
| 5536764 | Cationic starch/vinyl acetate containing board coating binders Board coating compositions are provided comprising a cationic starch and a vinyl acetate polymerization product as protein binder substitutes.... | 07/16/1996 |
