| Patent Number |
Title Of Patent |
Date Issued |
| 6903156 |
Strippable coating compositions |
June 7, 2005 |
| The present invention relates to light fast, aqueous, strippable coating compositions containing A) 40 to 90 wt. %, based on resin solids of A) and B), of aqueous polyurethane-polyureas and B) 10 to 60 wt. %, based on resin solids of A) and B), of polymers prepared from radically pol |
| 6596820 |
Light-resistant thermoplastic polyurethanes, a process for their preparation and their use |
July 22, 2003 |
| A thermoplastic molding composition that contains a light-resistant aliphatic thermoplastic polyurethane elastomer is disclosed. The composition which largely contains of thermoplastic polyurethanes with high molecular weights and small amounts of thermoplastic polyurethanes with low |
| 6559300 |
Water-soluble biodegradable hydroxyalkyl cellulose-2-hydroxycarboxylic acid esters which can flo |
May 6, 2003 |
| A water-soluble, biodegradable hydroxyalkyl cellulose-2-hydroxycarboxylic acid ester is disclosed. The hydroxyalkyl cellulose-2-hydroxycarboxylic acid ester has: (i) a molecular degree of substitution of the hydroxyalkyl group of less than 1.5 (MS.sub.hydroxyalkyl <1.5); and (ii) a mo |
| 6482885 |
Coating composition comprising diverse anionic polyurethane-polyurea dispersions |
November 19, 2002 |
| The present invention relates to coating compositions comprising a mixture of at least two aqueous, anionic polyurethane polyurea dispersions A and B, wherein dispersion A as a dry film has a TG in the range from -30.degree. C., to -45.degree. and dispersion B as a dry film has a first |
| 6458918 |
Method for producing partially crystalline polyether polyols |
October 1, 2002 |
| The present invention relates to a process for the preparation of novel, partially crystalline polyether polyols with a functionality of .gtoreq.2, an average molecular weight M.sub.n of 500 to 100,000 and a molar proportion of isotactic triads determining the crystallinity of >28%. |
| 6458441 |
Substrate having a section with a peelable coating and a surface decoration |
October 1, 2002 |
| The present invention relates to a substrate with at least one section having a surface decoration and a coating between the surface and the decoration. The coating can be peeled from the surface, and is prepared from an aqueous anionic polyurethane-polyurea dispersion which are free |
| 6417312 |
Thermoplastic polyurethane elastomers |
July 9, 2002 |
| A process for the production of thermoplastic polyurethane elastomer is disclosed. The process entails (a) introducing and homogeneously mixing in a first static mixer (A) an isocyanate and (B) a mixture of compounds having an average of 1.8 to 3.0 Zerewitinoff active hydrogen atoms havi |
| 6403787 |
Thermoplastic material consisting of aliphatic carbamic acid derivatives of polysaccharides and |
June 11, 2002 |
| The present invention relates to evenly substituted polysaccharide derivatives having the general structure:wherein polysaccharide--O represents a substituted or unsubstituted polysaccharide unit and R is a substituent of a polysaccharide-OH group having either the structureor the struct |
| 6362330 |
Polysaccharide-based thermoplastic material, process for preparing the same and method of use th |
March 26, 2002 |
| The present invention relates to novel thermoplastic materials based on polysaccharide ethers which are simultaneously substituted by carboxylic acid ester groups and carbamate groups, together with mixtures of such derivatives with low molecular weight aliphatic urea derivatives. |
| 6254644 |
Biologically degradable leather |
July 3, 2001 |
| The present invention relates to a process for preparing leather by(I) tanning a pelt with(a) an aldehyde, or(b) a bisulphite-blocked polyisocyanate;(II) optionally, retanning the pelt with(a) a polyaspartic acid, a salt of a polyaspartic acid, a polyaspartic acid anhydride, or a mixture thereof |
| 6242641 |
Cycloaliphatic compounds |
June 5, 2001 |
| The present invention relates to compounds selected from formula I ##STR1##whereinR.sup.1, R.sup.2, R.sup.3 and R.sup.4 are the same or different and represent hydrogen, C.sub.1, to C.sub.6 -alkyl, C.sub.5 to C.sub.6 -cycloalkyl, phenyl and halogen,m and n are the same or different and r |
| 6239192 |
Active-substance-containing moulded bodies based on biodegradable thermoplastically processable |
May 29, 2001 |
| The present invention relates to new shaped articles which comprise active compounds and are based on thermoplastically processable, biologically degradable polymers, preferably polyesters, polyester amides, polyester urethanes and polyester urethane ureas, and their production and use f |
| 6191071 |
Plant-treatment agents |
February 20, 2001 |
| The invention concerns novel plant-treatment agents comprising: at least one thermoplastically processable biodegradable polyester amide, optionally in a mixture with one or a plurality of further thermoplastically processable, biodegradable polymer components; at least one agrochemi |
| 6172126 |
Cosolvent-free, aqueous, anionic polyurethane dispersions and their use as peelable coatings |
January 9, 2001 |
| The present invention relates to coating composition, which is suitable for preparing light fast coatings and contains a cosolvent-free, aqueous, anionic dispersion of polyurethane-ureas, the solids content of which contains the reaction product, present at least partially in salt form, |
| 6164012 |
Biological material embedded in hydrogels, a process for the embedding thereof, and its use as a |
December 26, 2000 |
| The invention relates to a completely biodegradable hydrogel comprising polyester polyurethane polyurea containing urea groups as well as polysaccharides and/or their derivatives, the hydrogel containing plant material capable of dividing. The invention also relates to a process for |
| 6075064 |
Rigid hydrophobic polyurethanes |
June 13, 2000 |
| Rigid polyurethanes are obtained by reacting (1) a polyisocyanate with (2) a polyol mixture made up of(a) an OH-functional polyester based on a C.sub.9-22 fatty acid with a molecular weight of from about 260 to about 2,000,(b) a non-functional oligomeric polyolefin with a molecular weight of |
| 6071984 |
Biodegradable plastics filled with reinforcing materials |
June 6, 2000 |
| This invention relates to reinforced thermoplastic moulding compositions prepared from biodegradable polymers, for example aliphatic or polyester amides, aliphatic polyester urethanes, and to the use thereof for the production of mouldings and to the mouldings, wherein the reinforcing |
| 6051632 |
Free-flowing compression molding compositions and processes for their production and use |
April 18, 2000 |
| Free-flowing compression molding compositions made up of from about 40 to about 80 wt. % of organic filler, from about 20 to about 60 wt. % of an organic reactive resin, and optionally further auxiliary substances and additives. The reactive resin contains an epoxide which may be liquid, |
| 6008276 |
Polymer blends containing starch and polyurethane |
December 28, 1999 |
| Thermoplastically moldable, biodegradable, starch-containing polymer blends consisting essentially ofA) 100 parts by weight of anhydrous starch,B) from 0.1 to 70 parts by weight of polyurethane containing urea groups and based on selected starting materials,C) from 0.5 to 70 parts by weight |
| 5998418 |
Enrofloxacine injection or infusion solutions |
December 7, 1999 |
| The present invention relates to novel injection and infusion solutions of the following composition:a) 0.1 to 20% by weight of enrofloxacin, based on the total weight of the solution, in the form of its salts with polyhydroxycarboxylic acids or amino acids or mixtures thereof,b) polyhyd |
| 5965195 |
Cosolvent-free aqueous, anionic polyurethane dispersions and their use as peelable coatings |
October 12, 1999 |
| The present invention relates to coating composition, which is suitable for preparing light fast coatings and contains a cosolvent-free, aqueous, anionic dispersion of polyurethane-ureas, the solids content of which contains the reaction product, present at least partially in salt form, |
| 5961906 |
Biodegradable and compostable plastic articles, including flat-shaped articles |
October 5, 1999 |
| The use of dispersions of polyurethanes containing urea groups and based on selected starting materials, optionally via the intermediate stage of granules obtained by spray drying the dispersions, for the production of fully biodegradable shaped bodies. |
| 5959060 |
Polyisocyanate-modified polycarboxylic acids and their use as crosslinking agents for epoxy resi |
September 28, 1999 |
| The present invention relates to polyisocyanate-modified dicarboxylic acid derivatives obtainable by reacting organic polyisocyanates with excess quantities, based on the equivalent ratio of NCO/COOH groups, of dicarboxylic acid (poly)anhydrides containing free carboxyl groups and wa |
| 5958596 |
Composite material |
September 28, 1999 |
| A process in which a dye film is cast, the film is peeled off from the substrate and stretched monoaxially, the stretched film is applied to a glass film, and the resultant laminate is conditioned at elevated temperature gives composite materials which are highly suitable for the pro |
| 5942593 |
Cycloaliphatic thermoplastic polyurethane elastomers |
August 24, 1999 |
| A process for the preparation of a polyurethane-urea elastomer having a mole ratio of NCO groups to all active hydrogen atoms in the range of 0.9 to 1.2 is disclosed. The process comprise reacting (A), (B) and (C.2) for form an NCO-containing prepolymer and then reacting said prepolymer |
| 5898049 |
Biodegradable and compostable shaped bodies |
April 27, 1999 |
| The use of dispersions of urea group-containing polyurethanes based on selected starting materials and crosslinkers leads to the production of fully biodegradable shaped bodies. |
| 5861506 |
Compostable and thermoplastic cellulose ether-2-hydroxycarboxylic acid esters and mixed esters |
January 19, 1999 |
| Thermoplastic and compostable cellulose ether esters with 2-hydroxycarboxylic acids as acid components and mixed esters which, in addition to 2-hydroxycarboxylic acid groups, have further mono-, dicarboxylic acid or carbamate groups. |
| 5827905 |
Biodegradable plastics filled with reinforcing materials |
October 27, 1998 |
| This invention relates to reinforced thermoplastic moulding compositions prepared from biodegradable polymers, for example aliphatic or polyester amides, aliphatic polyester urethanes, and to the use thereof for the production of mouldings and to the mouldings, wherein the reinforcing |
| 5739252 |
Thermoplastic polyurethaneurea elastomers |
April 14, 1998 |
| Thermoplastic polyurethaneurea elastomers prepared from organic polyisocyanates (A) and a mixture (B) containing Zerewitinoff active hydrogen atoms are disclosed. The mixture (B) is prepared from 1) 40 to 85 equivalent-% (relative to isocyanate groups in (A)) of one or more compounds |
| 5739250 |
Thermoplastic polyurethane-urea elastomers |
April 14, 1998 |
| A process for the preparation of thermoplastic polyurethaneurea elastomers is disclosed. Accordingly, organic polyisocyanates (A) and a mixture (B) containing Zerewitinoff active hydrogen atoms, are reacted to yield an intermediate product. The intermediate product is then chain extended |
| 5717087 |
Thermoplastic and biodegradable polysaccharide esters/polysaccharide ether esters containing mal |
February 10, 1998 |
| The present invention relates to thermoplastic and biodegradable polysaccharide esters/polysaccharide ether esters, which are characterised in that they can be represented by the general structure ##STR1## wherein Polysaccharide-O represents the substituted OH groups of a polymer |
| 5698612 |
Thermoplastically workable, biodegradable moulding compositions |
December 16, 1997 |
| The present invention provides thermoplastically workable and completely biodegradable moulding compositions, a process for the preparation thereof and the use thereof as biodegradable materials for the production of, for example, injection-moulded parts, films, fibres or coatings. |
| 5688863 |
Soft thermoplastic polyurethane ureas a process for their preparation and their use |
November 18, 1997 |
| A thermoplastic polyurethane urea prepared by reacting a reaction mixture ofa) one or more polyisocyanates, withb) one or more compounds having on average at least 1.8 Zerewitinoff-active hydrogen atoms and a molecular weight of between 400 and 10,000, andc) water,wherein the water is introd |
| 5639865 |
Thermoplastic biodegradable polysaccharide derivatives, process for the manufacture thereof and |
June 17, 1997 |
| The present invention relates to novel thermoplastic, biodegradable polysaccharide ether esters, such as for example cellulose ether esters or starch ether esters, and to the production of such graft copolymers from polysaccharides, epoxides and dicarboxylic acid anhydrides and to the us |
| 5639800 |
Production of flame resistant, halogen-free polyurethane/polyureas |
June 17, 1997 |
| In the production of a flame resistant, halogen-free polyurethane/polyurea from a polyisocyanate and polyol, wherein to the mixture of polyisocyanate and polyol there is added an amine adduct of an acidic metal salt of the formulain whichA denotes at least one hydroxide or oxide of a met |
| 5616628 |
Process for the production of optionally cellular polyurethanes and/or polyurethane ureas |
April 1, 1997 |
| Polyurethanes and/or polyurethane ureas which are optionally cellular are produced by the process of the present invention. This process consists of reacting at least one polyisocyanate with a specific reaction mixture. This reaction mixture containsA) non-basic compounds having a molecu |
| 5565270 |
Process for the production of elastane filaments |
October 15, 1996 |
| The invention relates to a process for the solventless production of elastic filaments based on segmented poly(urethane)s or poly(urethane urea)s having improved thermal properties and, hence, improved processing behavior, for example during the heat setting of fabrics containing the |
| 5468832 |
Heat-curable reaction resin mixtures and the use thereof |
November 21, 1995 |
| The present invention relates to heat-curable reaction resin mixtures comprising at least one organic polyisocyanate, at least one organic compounds having epoxy rings, and mixtures of certain tertiary amines as reaction accelerators. These reaction resin mixtures are suitable as cas |
| 5430121 |
Thermoplastic polyurethanes modified by siloxane block copolymers |
July 4, 1995 |
| The invention relates to thermoplastic polyurethanes modified with segmented siloxane block copolymers which are based on relatively high molecular weight dihydroxy compounds, diisocyanates, and difunctional chain extenders. The application also relates to their use in the medical fi |
| 5405664 |
Tubular casing with an organochlorine-free coating impermeable to oxygen and water vapor, a proc |
April 11, 1995 |
| This invention relates to a multilayer organochlorine-free tubular casing consiting ofa. a regenerated cellulose substrate,b. optionally a layer of primer,c. a 5 to 40 .mu.m thick, organochlorine-free polymeric water vapor barrier layer which is characterized in that it has a permeability to |
| 5386054 |
Process for the purification of polyisocyanates, the polyisocyanates thus purified and use there |
January 31, 1995 |
| A process for the purification of organic polyisocyanates by mixing of the polyisocyanate with from 0.001 to 1% by weight of compounds containing trimethylsilyl groups at temperatures of from 20.degree. to 150.degree. C. The resultant mixture of organic polyisocyanates and compounds cont |
| 5374704 |
Pure, in particular catalyst-free polyurethanes |
December 20, 1994 |
| The present invention is directed to pure polyurethanes which are biocompatible. These pure polyurethanes comprise the reaction product of:a) a pre-adduct containing NCO groups and comprising the reaction product ofi) a diisocyanate selected from the group consisting of aliphatic diisocy |
| 5342881 |
Process for the standardization and stabilization of organic polyisocyanates and the stable prod |
August 30, 1994 |
| A new process for the standardization and stabilization with simultaneous increase of reactivity of organic polyisocyanates and the polyisocyanates produced by this process. A polyisocyanate is mixed with compounds having at least one epoxide group which are represented by a specified fo |
| 5312962 |
Process for the production of compounds containing aldimine or ketimine groups and the compounds |
May 17, 1994 |
| The invention relates to a process for the production of organic compounds containing aldimine or ketimine groups by the reaction of compounds containing .beta.-ketoester groups with bis-aldimines or bis-ketimines with elimination of aldehyde or ketone and to the preferred compounds |
| 5266662 |
Thermosetting reaction mixtures, process for their production and the use thereof for production |
November 30, 1993 |
| It is now possible to provide reaction resin mixtures based on organic polyisocyanates and organic polyepoxides that can be hot-cured to high-quality plastics having isocyanurate and oxazolidinone groups that are largely storage-stable at room temperature, without their curing having |
| 5256726 |
Reactive systems and a process for the preparation of polyurethane plastics |
October 26, 1993 |
| Reactive systems comprising of a specific polyisocyanate component and a reactive component for this polyisocyanate component, as well as non-reactive plasticizers and if appropriate other auxiliaries and additives, and a process for the preparation of polyurethane plastics containin |
| 5254660 |
Polyisocyanate solutions useful for impregnating porous inorganic substrates |
October 19, 1993 |
| Solutions of a) a fluorine-containing polyisocyanate in b) an isocyanate-inert solvent are used to impart water, oil and dirt resistance to porous inorganic substrates impregnated therewith. The fluorine-containing polyisocyanate is preferably selected from fluorine-containing polyis |
| 5254199 |
Process for bonding substrates of glass fiber reinforced polyester resin |
October 19, 1993 |
| Disclosed herein is an adhesive and a process for bonding with the adhesive containing an isocyanate prepolymer a), an isocyanate reactive component b) and a catalyst for the reaction of a) and b), characterized in that the catalyst comprises a compound corresponding to the following for |
| 5242978 |
Alkoxysilylamines as curing agents for plastics precursors containing acetoacetate or acetoaceta |
September 7, 1993 |
| The present invention is directed to a novel composition and the use thereof in various coating applications. The composition broadly comprises:a) an organic compound containing a primary amino group and an alkoxysilane group, andb) a plastic precursor containing at least two acetoacetat |
| 5206287 |
Reactive systems and a process for the preparation of modified duroplasts |
April 27, 1993 |
| Reactive systems consisting of organic polyisocyanates, organic polyepoxides, polymer modifiers, special catalysts and optionally other auxiliary agents and additives. |
