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| Number | Title | Issue Date |
| 7288577 | Polyurethane foam containing flame retardant blend of non-oligomeric and oligomeric flame retardants A polyurethane foam can be flame retarded by the incorporation therein of a flame retardant blend that comprises: (a) a non-oligomeric non-halogenated organophosphorus flame retardant (e.g., a phosphate ester) that is adapted for use in a polyurethane foam formulati... | 10/30/2007 |
| 7273945 | Preparation of phosphorus-containing alkoxylation products The invention describes a process for preparing alkoxylated, phosphorus-containing compounds, using heterogeneous catalysts based on metal oxides of aluminum, so that the product can be worked up anhydrously. ... | 09/25/2007 |
| 7160974 | Thermoplastically processable polyurethanes (TPU) with self-extinguishing properties, a process for their preparation and their use The present invention relates to thermoplastically processable polyurethane elastomers (TPU) with tensile strengths of >35 MPa (measured in accordance with EN ISO 527-3), with shrinkages of | 01/09/2007 |
| 7141613 | Flame resistant rigid foams and formulations for the production thereof The invention relates to flame resistant rigid foams and formulations useful for the production thereof. The polyol formulation must include at least one substance which is inert with respect to isocyanates, does not deplete the ozone layer and has a boiling point b... | 11/28/2006 |
| 7122135 | Blend of organophosphorus flame retardant, lactone stabilizer, and phosphate compatibilizer A flame retardant blend, suitable for incorporation into a polyurethane foam, comprises: an oligomeric organophosphourus flame retardant, preferably an organophosphate, having a phosphorus content of no less than about 10%; a benzofuran-2-one stabilizer; and a monom... | 10/17/2006 |
| 7008973 | Vacuum cooled foams A flexible, flame-retarded, polyurethane foam comprising brominated and/or phosphorous flame retardants and an acid scavenger. ... | 03/07/2006 |
| 6930064 | Flame-retardant imaged nonwoven fabric A method of forming flame-retardant nonwoven fabrics by hydroentanglement includes providing a precursor web. The precursor web is subjected to hydroentanglement on a three-dimensional image transfer device to create a patterned and imaged fabric. Treatment with a f... | 08/16/2005 |
| 6861452 | Composition for production of flame-retardant flexible polyurethane foams The present invention provides a composition for flame-retardant flexible polyurethane foam comprising: (i) a polyol component; (ii) a polyisocyanate component; (iii) a halogen-free phosphate ester that meets the following conditions (a) to (d), and that contains at... | 03/01/2005 |
| 6750265 | Prepolymer compostion for insulating foams A prepolymer composition for producing polyurethane insulating foams with fire-retardant properties from pressure tanks which consists of a prepolymer component with at least one PU prepolymer with a content of NCO groups of 4 to 20 wt % and usual additives, as well... | 06/15/2004 |
| 6610756 | Inorganic/organic composite foam and process for producing the same An inorganic/organic composite foam that has a foam structure obtained from a combination of a phosphoric acid compound and/or a sulfuric acid compound with a blowing agent therefor, has reduced brittleness due to a cured material of an urethane prepolyme... | 08/26/2003 |
| 6433033 | High-durability flexible polyurethane cold cure molded foam and process for producing the same The high-durability flexible polyurethane cold cure molded foam of the invention has an overall density of not less than 35 kg/m3 and not more than 45 kg/m3 and a wet heat compression set of not more than 15%, and preferably has a ha... | 08/13/2002 |
| 6399666 | Insulative matrix material The invention relates to a process for forming an integrated circuit device comprising (i) a substrate; (ii) metallic circuit lines positioned on the substrate and (iii) a dielectric material positioned on the circuit lines. The dielectric material compri... | 06/04/2002 |
| 6372811 | Flame resistant rigid polyurethane foams blown with hydrofluorocarbons Rigid polyurethane foams having improved flame resistance are disclosed. The foams are prepared from a composition containing (a) an isocyanate, (b) an isocyanate reactive composition containing an aromatic polyester polyol, (c) an organo phosphorus compo... | 04/16/2002 |
| 6319962 | Hydrocarbon blown rigid polyurethane foams having improved flammability performance Rigid polyurethane or urethane modified polyisocyanurate foams having improved flame resistance are disclosed. The foams are prepared from a composition containing (a) an isocyanate, (b) an isocyanate reactive composition, (c) a hydrocarbon/water blowing ... | 11/20/2001 |
| 6262135 | Polyurethane foam containing a blend of monomeric and oligomeric flame retardants A flame retardant blend is disclosed that comprises: (a) a monomeric halogenated organic flame retardant that is adapted for use in a polyurethane foam formulation; and (b) an oligomeric organophosphate flame retardant having a phosphorus content of no le... | 07/17/2001 |
| 6100359 | Ablative polyurea foam and prepolymer The present invention relates to an ablative fire resistant hydrophilic polyurea foam made from low molecular weight polyols capped with an isocyanate, with the polyol mixture including a fire retardant polyol that preferably includes carborane disilanol,... | 08/08/2000 |
| 5981612 | Production of flameproofed, rigid, isocyanate-based foams The flameproofed, rigid, isocyanate-based foams, in particular rigid polyurethane and polyisocyanurate foams, are produced by reacting a) organic and/or modified organic polyisocyanates with b) at least one relatively high-molecular-weight compound containing at ... | 11/09/1999 |
| 5958993 | Fog reduction in polyurethane foam using phosphate esters A process for imparting flame retardancy to a polyurethane foam comprising the step of incorporating in said polyurethane foam 0.5-50.0 php of at least one flame-retardant phosphate ester is disclosed. Also disclosed is a flame-retardant polyurethane foam... | 09/28/1999 |
| 5736588 | Process for preparing rigid polyurethane foams Rigid foams which possess urethane groups are prepared by reacting polyisocyanates with compounds which possess at least two active hydrogen atoms which are reactive towards isocyanate groups, in the presence of water and alkanes as blowing agent and solu... | 04/07/1998 |
| 5728746 | Process for the preparation of mixtures of oligomeric phosphoric acid esters and their use as flame-proofing agents for polyurethane foams The invention relates to a process for the preparation of mixtures of oligomeric phosphoric acid esters of the formula (I) ##STR1## in which n is a number from 0 to 8, R1, R2, R3 and R7 are identical or differen... | 03/17/1998 |
| 5605721 | Shock absorbing underlayment for artificial playing surfaces The present invention is directed to an underlayment composition for an artificial playing surface comprised of a butadiene rubber, such as polybutadiene or styrene-butadiene that is commercially available as recycled polycord tires that have been granuli... | 02/25/1997 |
| 5556894 | Flame resistant rigid polyurethane foams containing phosphorus and a halogen There is now provided a closed cell rigid polyurethane foam having improved flame resistance by empolying a combination of an organo-phosphorus compound having at least two isocyanate reactive hydrogens with a secondary or tertiary mono-halogenated alipha... | 09/17/1996 |
| 5514722 | Shock absorbingg underlayment for artificial playing surfaces The present invention is directed to an underlayment composition for an artificial playing surface comprised of a butadiene rubber, such as polybutadiene or styrene-butadiene that is commercially available as recycled polycord tires that have been granuli... | 05/07/1996 |
| 5420167 | Flame resistant rigid polyurethane foams containing phosphorus and a halogen There is now provided a closed cell rigid polyurethane foam having improved flame resistance by empolying a combination of an organo-phosphorus compound having at least two isocyanate reactive hydrogens with a secondary or tertiary mono-halogenated alipha... | 05/30/1995 |
| 5385952 | Flame resistant rigid polyurethane foams containing phosphorus and a halogen There is now provided a closed cell rigid polyurethane foam having improved flame resistance by empolying a combination of an organo-phosphorus compound having at least two isocyanate reactive hydrogens with a secondary or tertiary mono-halogenated alipha... | 01/31/1995 |
| 5182314 | Flexible polyurethane foams and process for producing same A method for producing a flexible polyurethane foam by the reaction of an active-hydrogen-containing component composed of an active hydrogen compound, a blowing agent, and an additive with an organic polyisocyanate compound: said blowing agent being carb... | 01/26/1993 |
| 5173515 | Fire retardant foams comprising expandable graphite, amine salts and phosphorous polyols New particularly effective fire retardent elements based on foams and expandable graphite are characterized in that they additionally contain one or more components from the group consisting of phosphate-containing polyols, borates and amine salts.... | 12/22/1992 |
| 5147898 | Process for producing a rigid foam The present invention is a process for producing a rigid foam by reacting an active hydrogen compound containing an active hydrogen compound containing in its molecular structure a group of a neutralized salt or an alkoxide and a polyisocyanate compound i... | 09/15/1992 |
| 5100922 | Method for producing a molded product of integral-skin polyurethane foam A method for producing a molded product of integral-skin polyurethane foam, which comprises reacting and curing (1) a high molecular weight polyol comprising, as the main component, a polyoxyalkylene polyol having, as the main constituent, oxyalkylene gro... | 03/31/1992 |
| 5086082 | Ignition resistant polyurethane foams with melamine Improved ignition resistant, flexible, open-celled polyurethane foams are described. The foams are formed in situ from the reaction, in the presence of a catalyst, of an isocyanate, one or more blowing agents including water, a foam stabilizer, a polyethe... | 02/04/1992 |
| 5041467 | Method for production of particulate polymers This invention relates to a method of producing particulate polymers. This production method is characterized in that a mixture of an isocyanate compound containing two or more isocyanato groups per molecule and a surfactant containing two or more hydroxy... | 08/20/1991 |
| 5034423 | Inorganic-organic flame-retardant polyols Inorganic organic flame-retardant polyols are produced by mixing and chemically reacting an epoxy compound with a compound containing reative hydrogens and acidic boron compound in the presence of an epoxy catalyst. These polyols may be utilized to produc... | 07/23/1991 |
| 4994541 | Process for the preparation of polyisocyanates containing uretdione and isocyanurate groups, the polyisocyanates obtained by this process and their use in two-component polyurethane coatings The present invention is directed to a process for the preparation of modified polyisocyanates containing uretdione and isocyanurate groups by the oligomerization of a portion of the isocyanate groups of organic diisocyanates containing (cyclo)aliphatical... | 02/19/1991 |
| 4963593 | Flame retardant internally cured polyurethane foam having improved properties Flexible polyurethane foam prepared from foam forming compositions of a polyether polyol, an organic isocyanate compound, a blowing agent, and a curing agent of a melamine derivative in an amount effective to rapidly cure the resultant foam and improve th... | 10/16/1990 |
| 4920155 | Organomineral foamed materials and processes for their preparation The subject-matter of the invention are organomineral foamed materials and a process for their preparation by reacting polyisocyanate and water-glass without the use of a foaming agent. In the process according to the invention the foaming of the reaction... | 04/24/1990 |
| 4859713 | Production of flame-retardant polyols Flame-retardant polyols are produced by chemically reacting an epoxy compound, a phosphorus-containing compound and a compound containing 1 or more active hydrogens to produce a phosphorus-containing polyol with acid radicals which are reacted with an alk... | 08/22/1989 |
| 4831062 | Preparation of intumescent materials for coatings and building elements New intumescent materials can be obtained by reacting polyisocyanates with phosphorus-containing condensation products containing at least two hydroxyl groups, and boron oxides and/or dehydration products of boric acid. They may be used for the production... | 05/16/1989 |
| 4803230 | Polyols-polyesters and use thereof in the production of polyurethane foams Halogen- and/or phosphorus-containing polyols-polyesters obtained by esterification and transesterification of the residues from the process for producing dimethyl terephthalate with a polyol at least 5% by weight of which is constituted by a glycol havin... | 02/07/1989 |
| 4797240 | Composition and method for preventing the staining of nitrocellulose finished shoe uppers attached to polyurethane shoe soles To prevent the staining of a nitrocellulose coated shoe upper by a polyurethane shoe sole prepared from a mixture comprising a polyisocyanate, a polyol, a chain extender, a tertiary amine catalyst, a surfactant and water, an effective amount of a reactive... | 01/10/1989 |
| 4757093 | Flame retardant melamine containing polyurethane foam Compositions and methods for providing a flexible flame retardant polyether polyurethane foam prepared from foam forming components of a polyether polyol, an organic isocyanate compound, water, a liquid phosphorus ester in an amount of about 4 to 10 parts... | 07/12/1988 |