...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 8143321 | N,N,N,′-trimethyl-bis-(aminoethyl) ether and its derivatives as catalysts for polyurethanes The present invention provides compounds produced by the reaction of glycidyl ethers and glycidyl esters with ether compounds including N,N,N′-trimethyl-bis-(aminoethyl) ether. N,N,N′-trimethyl-bis-(aminoethyl) ether and its derivatives can be used as polyuretha... | 03/27/2012 |
| 7338713 | Primer for adhesive sheets, article attached with an adhesive sheet and process for producing the article A primer for adhesive sheets which comprises as a main component thereof an oligomer comprising a reaction product of a portion of an isocyanurate compound which is a trimer of tolylene diisocyanate and a polyol and has a number-average molecular weight in a range o... | 03/04/2008 |
| 7205374 | Two-part polyurethane adhesive for bonding insulation boards to a roof deck A method of preparing an adhesive, the method comprising combining an isocyanate, a polyhydroxyl phenol-containing compound, a polyol, and a trimerization catalyst. ... | 04/17/2007 |
| 7195726 | Internal mold release for low density reaction injection molded polyurethane foam A method for preparing a molded polyurethane foam article using an internal mold release composition is provided. More specifically, a method using an IMR agent and an IMR-enhancer compound to prepare a molded polyurethane foam article is provided. The method compri... | 03/27/2007 |
| 7094299 | Method for robotically applying large volumes of structural foam within automotive applications An innovative robotic foam application process that integrates system communications, non-contact vehicle insertion point locations, and applications controls to accurately dispense a two-component structural foam at a high volume and flow rate. The process begins b... | 08/22/2006 |
| 7087657 | Stable polyol dispersions, polyurethane moldings produced therefrom, and their use The present invention relates to polyol dispersions with long-term stability, to cellular polyurethane moldings produced therewith, to processes for their preparation and to their use. ... | 08/08/2006 |
| 7050593 | Vehicular audio system and electromagnetic transducer assembly for use therein A vehicle overhead audio system and an electromagnetic transducer assembly for use therein are provided where a headliner of the vehicle is a loudspeaker of the system thereby replacing many other loudspeakers and being invisible to the occupants. The headliner is d... | 05/23/2006 |
| 7026512 | Tertiary alkanolamines containing surface active alkyl groups The present invention relates to novel tertiary alkanolamines useful as catalysts for preparing polyurethane foams and as additives to reduce the dynamic surface tension of aqueous solutions. The tertiary alkanolamines may be represented by formula (I): ... | 04/11/2006 |
| 7022879 | Phase change ink formulations, colorant formulations, and methods of forming colorants The invention encompasses a compound having the formula: wherein R1, Z and the carbonyl can be comprised by a common ring, wherein R1 comprises a chromophore that absorbs light from the visible wav... | 04/04/2006 |
| 7009081 | N-methylated amines from selective vapor phase amination of amino ether alcohols A method for converting amino ether alcohols to amino ether amines by amination in the vapor phase with a catalyst comprising copper and zinc. The catalyst may also comprise an alkali, alkaline earth, or lanthanide element as a promoter. ... | 03/07/2006 |
| 6998508 | Tertiary alkanolamines containing surface active alkyl groups The present invention relates to novel tertiary alkanolamines useful as catalysts for preparing polyurethane foams and as additives to reduce the dynamic surface tension of aqueous solutions. The tertiary alkanolamines may be represented by formula (I): ... | 02/14/2006 |
| 6926784 | Sound absorption system for automotive vehicles An automotive vehicle sound absorption system. An expandable material, such as an polymer-based foam, is disposed on a surface of a wall. Upon activation, the foam transforms, preferably during an automobile assembly operation, and remains bonded to surface for soun... | 08/09/2005 |
| 6818675 | Process for preparing polyurethane foam A process for preparing a polyurethane foam is provided which comprises reacting a polyisocyanate and an active hydrogen-containing component, including water and an organic polyol, in the presence of a catalytically effective amount of a delayed action amine cataly... | 11/16/2004 |
| 6808800 | Rigid polyurethane foam and heat insulating construction element comprising the same A rigid polyurethane foam is described which is preferably, while not exclusively, used for manufacturing composite building elements used in buildings or for manufacturing industrial constructions. The foam has a structure consisting of closed cells substantially f... | 10/26/2004 |
| 6794420 | Methods of producing stable novel black polyurethane articles with polymeric colorants Polyurethane article black colorants which comprise a novel blue polymeric anthraquinone colorant, rather than the previous standard polymeric triphenylmethane blue-type colorants are provided. Such a novel blend of colorants to produce black colorations within the ... | 09/21/2004 |
| 6676849 | Low yellowing scorch inhibitor composition A scorch inhibitor composition for use an additive in the manufacture of polyurethane foams is based on a derivatized phenol, 4-tertbutyl catechol, and optionally, phenothiazine. The derivatized phenol is a di-tert-butyl phenol, preferably a 2,6 tert-buty... | 01/13/2004 |
| 6660783 | Preparation of highly resilient polyurethane foams Highly resilient polyurethane foams are prepared by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms reactive with isocyanate groups, by a process in which a mixture containing, based in each case on the weight of the mi... | 12/09/2003 |
| 6660781 | Process for preparing polyurethane foam A process for preparing a polyurethane foam, especially according to the one-shot foaming process the quasi-prepolymer process and the prepolymer process, by reactions between a polyisocyanate and an active hydrogen-containing component including water an... | 12/09/2003 |
| 6596663 | Catalyst composition A catalyst composition for the production of a polyurethane resin, which comprises an amine compound of the following formula (1): ##STR1## wherein each of R1 and R2 which are independent of each other, is a C1-4 alkyl group, such alkyl groups ... | 07/22/2003 |
| 6586487 | Low-density, water blown polyurethane foams for energy-absorbing applications A method for making an energy-absorbing foam having a density that is less than about 7 pcf that exhibits excellent strength properties and that is particularly suitable for automobile bumper applications. The invention is also directed to the energy-abso... | 07/01/2003 |
| 6534555 | Catalyst systems for polyurethane polyester foams Provided are catalyst systems which produce flexible polyurethane polyester foams that are color stable, are lower in odor, and uses less catalysts than current most commonly practiced technology. The use of lower amounts of catalysts with low vapor press... | 03/18/2003 |
| 6525107 | Acid-blocked amine catalysts for the production of polyurethanes Novel acid-blocked amine catalysts and their use in the preparation of polyurethanes. The acid-blocked amine catalysts have the general structure shown below: ##STR1## wherein A is the residue of an organic acid anhydride; R1 is H or C | 02/25/2003 |
| 6506811 | Carbamate solutions Carbamate solutions are obtainable by reacting at least one alkanolamine with carbon dioxide in, as solvent, at least one organic compound having a molecular weight of from 60 to 600 and containing at least one hydroxyl group, wherein the carbamate contai... | 01/14/2003 |
| 6458860 | Advances in urethane foam catalysis Provided herein are catalyst systems useful for providing polyurethane foam products which exhibit low fogging characteristics while possessing favorable overall physical properties when used as interior components of automobiles and other motorized vehic... | 10/01/2002 |
| 6433032 | Process for rigid polyurethane foams Process for the preparation of open celled rigid polyurethane or urethane-modified polyisocyanurate foams by reaction of a polyfunctional isocyanate-reactive composition with a polyisocyanate composition comprising a prepolymer of NCO-value 21-30% based o... | 08/13/2002 |
| 6420443 | Additives for enhanced hydrocarbon compatibility in rigid polyurethane foam systems A process for preparing hydrocarbon blown rigid polyurethane foam using a novel compatibilizing agent. The compatibilizing agent is an alkoxylate adduct of a triglyceride with a hydroxyl value of about 100 or less. The triglyceride adduct has an ethylene ... | 07/16/2002 |
| 6387972 | Process to enhance polyurethane foam performance An improved process to enhance polyurethane foam performance is described. Polyurethane foam is prepared by reactions between a polyisocyanate and a polyfunctional isocyanate-reactive component wherein said reactions are conducted in the presence of catal... | 05/14/2002 |
| 6380274 | Catalyst compositions for the production of polyurethanes A composition having the formula: ##STR1## wherein R is a linear alkyl, branched alkyl, cycloalkyl, polycyclic alkyl, alkylaminoalkyl, or alkyloxyalkyl group having 1 to 20 carbon atoms and at least one primary, secondary, or tertiary amino functional gro... | 04/30/2002 |
| 6337355 | Two-pack urethane foam composition An apparatus is disclosed for injecting an expandable or foaming material in a closed sectional structure of a body. The apparatus is suitable for mass-producing vehicles, such as automobiles efficiently. This apparatus is provided with a manipulator (38)... | 01/08/2002 |
| 6335378 | Process for rigid polyurethane foams Process for preparing rigid polyurethane or urethane-modified polyisocyanurate foam using as blowing agent a mixture containing from 1 to 50 mole % 1,1,1,3,3-pentafluoropropane and from 50 to 99 mole % isopentane and/or n-pentane.... | 01/01/2002 |
| 6153659 | 3-{N-[2-(N',N'-dimethylamino ethoxy)ethyl]-N-methylamino}propionamide for the production of polyurethanes 3-{N-[2-(N',N'-dimethylamino ethoxy)ethyl]-N-methylamino}propionamide is a new compound which is useful as a catalyst in the production of polyurethane foams.... | 11/28/2000 |
| 6121338 | Process for rigid polyurethane foams Process for preparing rigid polyurethane or urethane-modified polyisocyanurate foam using as blowing agent a mixture containing from 1 to 50 mole % 1,1,1,3,3-pentafluoropropane and from 50 to 99 mole % isopentane and/or n-pentane.... | 09/19/2000 |
| 6077927 | Process for coloring polymer resins and products thereof A method of providing for manufacturing a colored polymer resin having the steps of: (a) blending a disazo colorant into a mixture of monomers, the colorant having a poly(oxyalkylene) substituent comprising from 2 to 200 alkylene oxide residues, bonded to... | 06/20/2000 |
| 6051527 | Aminopropylbis(aminoethyl) ether compositions for the production of polyurethanes A method for preparing a polyurethane foam which comprises reacting an organic polyisocyanate and a polyol in the presence of a blowing agent, a cell stabilizer and a catalyst composition consisting essentially of a compound having the following formula I... | 04/18/2000 |
| 6037496 | 3-{N-[2-(N',N'-dimethylamino ethoxy)ethyl]-N-methylamino}propionamide for the production of polyurethanes 3-{N-[2-(N',N'-dimethylamino ethoxy)ethyl]-N-methylamino}propionamide is a new compound which is useful as a catalyst in the production of polyurethane foams.... | 03/14/2000 |
| 5874483 | Aminopropylbis (aminoethyl) ether compositions for the production of polyurethanes A method for preparing a polyurethane foam which comprises reacting an organic polyisocyanate and a polyol in the presence of a blowing agent, a cell stabilizer and a catalyst composition consisting essentially of a compound having the following formula I... | 02/23/1999 |
| 5864002 | Process for coloring polymer resins and products thereof A method of providing for manufacturing a colored polymer resin having the steps of: (a) blending a disazo colorant into a mixture of monomers, the colorant having a poly(oxyalkylene) substituent comprising from 2 to 200 alkylene oxide residues, bonded to... | 01/26/1999 |
| 5844012 | Process and composition for improving the cure of water-blown molded polyurethane foam A method for producing water-blown molded flexible polyurethane foam which comprises reacting and foaming in one step in a mold a reaction mixture comprising a polyol, an organic polyisocyanate, a urethane catalyst composition and water and a trimerizatio... | 12/01/1998 |
| 5840779 | Catalysts which stabilize hydrohalocarbon blowing agent in polyurethane foam formulations The present invention relates to foam compositions which are expanded with hydrohalocarbon blowing agents in the presence of catalysts which result in a decreased amount of decomposition of the hydrohalocarbon blowing agents to haloalkenes during the poly... | 11/24/1998 |
| 5770635 | Polyol composition having good flow and formic acid blown rigid polyurethane foams made thereby having good dimensional stability A polyol composition is provided which when reacted with an organic isocyanate, has good flow characteristics and makes a rigid polyurethane foam having good dimensional stability at low densities. The polyol composition has a polyol component which must ... | 06/23/1998 |