...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 |
| 7148066 | Dye solutions for use in methods to detect the prior evaporation of anhydrous ammonia and the production of illict drugs Systems and methods providing for the introduction of a dye, particularly a xanthene dye, and more particularly a rhodamine dye, to liquid anhydrous ammonia to discourage theft of the anhydrous ammonia and provide for leak detection in storage vessels. The dye will ... | 12/12/2006 |
| 7141121 | Semiconductor washing solution and method of producing semiconductor device using the same The invention provides a semiconductor washing solution which can suppress occurrence of variation of the shape of a semiconductor device when the semiconductor device is washed and can maintain a stabilized washing capacity for a long period of time. An organic aci... | 11/28/2006 |
| 7052683 | Composition to detoxify formaldehyde in gaseous state, in aqueous solutions, and to protect human cell lines against formaldehyde A chemical compound is disclosed herein for performing a complex enzymatic neutralization and fixation of formaldehyde, providing a method for instantaneous neutralization of formaldehyde vapors and offering a complete and rapid control of incidental releases, and a... | 05/30/2006 |
| 7045111 | High yield co-production of anhydrous hydrogen bromide and sodium bisulfate A process for co-producing anhydrous hydrogen bromide and a purified bisulfate salt by (a) reacting a bromide salt with sulfuric acid to produce crude hydrogen bromide and crude bisulfate salt; (b) purifying the crude hydrogen bromide to produce anhydrous hydrogen b... | 05/16/2006 |
| 7045110 | High yield co-production of anhydrous hydrogen bromide and sodium bisulfate A batch process for co-producing anhydrous hydrogen bromide and a purified bisulfate salt comprising: (a) charging a batch reactor with a bromide salt slurry, wherein the slurry is more than 50% by weight bromide salt; (b) reacting the slurry with sulfuric acid in a... | 05/16/2006 |
| 7038027 | Method of preventing modification of synthetic oligonucleotides The present invention relates to a method of preventing modification of a synthetic oligonucleotide or oligonucleotide analog during removal of at least one β-cyanoethyl protecting group from the oligonucleotide or oligonucleotide analog. The method involves contac... | 05/02/2006 |
| 7033526 | Fire retardant foam and gel compositions A composition which retards the spread of fire, protects assets at risk from fire damage and emits a material which aids in extinguishing the fire. The composition may be either in the form of a gel or a foam and may be used to protect any sort of object, such as pe... | 04/25/2006 |
| 6968898 | System and method for removing particles from a well bore penetrating a possible producing formation A system and method for removing particles from a well bore penetrating a possible hydrocarbon producing formation, according to which drilling fluid is mixed with a weighted material, and the mixture is introduced into a well bore so that the mixture scours any par... | 11/29/2005 |
| 6932943 | Nucleic acid synthesizers The present invention relates to nucleic acid synthesizers and methods of using and modifying nucleic acid synthesizers. For example, the present invention provides highly efficient, reliable, and safe synthesizers that find use, for example, in high throughput and ... | 08/23/2005 |
| 6852891 | Method of inhibiting methaphetamine synthesis A method of inhibiting or preventing the use of anhydrous ammonia as a solvent in a dissolving metal reduction process comprises adding to anhydrous ammonia a chemical reagent which is capable of scavenging solvated electrons generated when alkali or alkaline earth ... | 02/08/2005 |
| 6692656 | Amphoteric magnesium buffers A method of using a mixture as an amphoteric buffer is disclosed comprising mixing sulfuric acid, magnesium oxide and/or magnesium hydroxide, and water to form an amphoteric buffer, and applying the buffer to a spill of an acid or alkali so as to neutrali... | 02/17/2004 |
| 6530961 | Alkaline aqueous solutions and use thereof in processes for dyeing cellulosic textile materials Described are aqueous solutions comprising sodium hydroxide and potassium carbonate in a molar ratio of 1:1.7 to 1:0.5, which are useful for preparing alkaline dyeing liquors, especially padding liquors, of fiber-reactive dyes for producing dyeings on cel... | 03/11/2003 |
| 6290872 | Composition containing at least sodium bicarbonate, preparation method therefor and uses thereof A composition having sodium bicarbonate, sodium carbonate, and ammonia in the form of ammonium salts is formed by heat treating ammoniacal bicarbonate at a temperature between 20 and 150° C. A method of using the composition includes reacting the composi... | 09/18/2001 |
| 6194471 | Fluid concentrates of modified mineral acid salts This invention relates to the production of mineral acid salts of amines which can be easily handled and pumped in plant and laboratory environments. More particularly, this invention relates to the production of water-free fluid ionic mineral acid salt c... | 02/27/2001 |
| 6080333 | Composition to detoxify and to convert glutaraldehyde in gazeous A chemical composition is disclosed herein for performing a neutralization of glutaraldehyde vapors, control of incidental releases, detoxification and disposal of spent or unused aqueous and/or non-aqueous glutaraldehyde solutions, and feasible conversio... | 06/27/2000 |
| 6042743 | Method of processing peat for use in contaminated water treatment A method of processing peat for use in treating a contaminated aqueous solution, especially storm water runoff entering a sewer system. The method includes mixing raw peat with heated sulfuric acid to produce a slurry. The slurry is dried and then mixed w... | 03/28/2000 |
| 6001274 | Composition to detoxify and to convert formaldehyde in gaseous state and in aqueous and non-aqueous solutions A chemical composition is disclosed herein for performing a rapid neutralization of formaldehyde vapors, control of incidental releases, detoxification and disposal of spent or unused aqueous and/or non-aqueous formaldehyde solutions, and feasible convers... | 12/14/1999 |
| 5885478 | Concrete mix water Water having alkalies selected from sodium, potassium and mixtures thereof dissolved therein is treated with a composition to reduce the concentration of the alkalies whereby the water is rendered usable according to ASTM standards to render the water usa... | 03/23/1999 |
| 5837159 | Chemical detoxifier for embalming solutions A chemical composition is disclosed herein for performing a complex neutralization and fixation of embalming fluids, providing a method for the rapid neutralization of formaldehyde vapors, the control of incidental releases, detoxification and disposal of... | 11/17/1998 |
| 5792384 | Concrete masons' hand rinse A buffer solution comprising one or more metal salts, preferably monobasic potassium phosphate and/or monosodium phosphate, dissolved in water creates a rinse having a pH near that of human skin. The buffer solution in various concentrations and compositi... | 08/11/1998 |
| 5772788 | Removing agent for silicone film adhering to panes and method for removing silicone film A removing agent being capable of removing silicone film adhering fast to the surface of a pane of vehicles quickly, easily, evenly and completely, and a method for removing silicone film adhering to the surface of a pane completely without any of the rem... | 06/30/1998 |
| 5772697 | Process for preparing a liquid caustic composition for use in reactive dyeing which has target total and active alkalinities Liquid caustic compositions for use in reactive dyeing, having total and alkaline activities approximating the total and alkaline activities of a predetermined liquid caustic composition are prepared by providing a source of water; providing a container o... | 06/30/1998 |
| 5665269 | Water based, solvent free, two component aliphatic polyurethane coating A water based, solvent free, two component polyurethane-polyurea dispersion containing up to 65% solids. The first component is a polyester-polyol phase and an aqueous amine phase mixture. The polyester-polyol is a combination of modified polyester-polyol... | 09/09/1997 |
| 5518651 | Methods and reagents for cleaving and deprotecting oligonucleotides Disclosed are reagents of methods for cleaving and deprotecting insolubilized and protected synthetic oligonucleotides. In a particularly preferred embodiment, the reagent comprises methylamine and t-butylamine.... | 05/21/1996 |
| 5472634 | Water based, solvent free, two component aliphatic polyurethane coating A water based, solvent free, two component polyurethane-polyurea dispersion containing up to 65% solids. The first component is a polyester-polyol phase and an aqueous amine phase mixture. The polyester-polyol is a combination of modified polyester-polyol... | 12/05/1995 |
| 5342543 | Neutralizing absorbent for acids and bases A neutralizing absorbent for acids and bases comprising a superabsorbent powder, a neutralizing chemical, and, optionally, a pH indicator. The absorbent comes in solid form for ease of application. A method for treating acid and base spills is also provid... | 08/30/1994 |
| 5314638 | Ion exchange materials produced from hydrolyzed, debituminized, sulfonated peat An improved process for preparing a cation exchange material from peat selected from sphagnum or reed-sedge peat for improving the ion exchange capability of the peat. The raw peat is initially dried and ground to a particle size of less than about one mi... | 05/24/1994 |
| 5234884 | Adsorbent composition and method of producing same A precipitate composition comprising a water-insoluble phosphate of at least one metal selected from the group consisting of Ti, Zr and Sn, and a hydroxide of at least one metal selected from the group consisting of Fe, Co., Ni, Zn and Cu. The precipitate... | 08/10/1993 |
| 5231063 | Composite adsorbent and process for producing same A composite adsorbent comprising an acid salt of an m- or p-aromatic amino acid and an acid. The adsorbent may further contain a transition metal compound. The former removes aldehydes, ammonias and amines simultaneously, and the latter further removes hy... | 07/27/1993 |
| 4788039 | Process and test kit for the detection of explosives The invention provides a multi-reagent test kit for the presumptive identification of traces of explosives and/or discriminating between "innocent" material and explosive containing a first reagent comprising about 2.5 to 20% V/V of a tetra alkyl ammonium... | 11/29/1988 |
| 4655941 | Method of preparing mixed electrolyte powder for bicarbonate dialysis and powder mixture formed A method of producing a mixed electrolyte powder having an electrolyte ion composition suited for use in preparing a dialyzing fluid for perfusing artificial kidney systems for bicarbonate dialysis, which method comprises a step of pulverizing the whole o... | 04/07/1987 |
| 4473675 | Thixotropic cross-linkable unsaturated polyester compositions and method of production A thixotropic cross-linkable unsaturated polyester composition is provided. The composition comprises an aromatic unsaturated monomer having an amount of an organoclay dispersed therein. The organoclay comprises the reaction product of a smectite type cla... | 09/25/1984 |
| 4428857 | Aqueous embrittling solution Adhesive products such as label stock, labels, tapes and the like having a facestock, an adhesive layer and a removable, fibrous backing are described. The backing is provided with integral embrittled zones which crack when the adhesive product is flexed ... | 01/31/1984 |
| 4397756 | Method and composition for reduction of formaldehyde emission in wood composite panels The invention is a composition of matter and method for its use in reducing formaldehyde emission from wood composite panels bonded with aminoplast resins. The preferred composition comprises urea, a carbohydrate based material such as cooked or gelatiniz... | 08/09/1983 |
| 4341716 | Polyether polyamines, the salts thereof, process for their manufacture and their use Polyether polyamines of the formula 1 ##STR1## in which R1 and R2 are identical or different and denote C8 -C30 -alkyl, -2-hydroxyalkyl or -alkenyl or C8 -C24 -alkoxypropyl, m and n ar... | 07/27/1982 |
| 4313844 | Inorganic ion exchanger An inorganic ion exchanger prepared by kneading a blend of anatase type titanic acid or amorphous titanic acid with sulfuric acid, hydrochloric acid or phosphoric acid and water, extrusion molding the blend, and thereafter, heat treating the extruded prod... | 02/02/1982 |
| 4292285 | Method for removing compounds with offensive odor from a gas containing the same A method for removing compounds with offensive odor from an exhaust gas containing the same with a deodorant comprising a mixture of spherical particles of activated carbon and spherical particles of porous carbon impregnated with phosphoric acid or ammon... | 09/29/1981 |
| 4268411 | Microcapsules having a wall of inorganic substance and process for the preparation thereof A process for preparing microcapsules comprising a core of highly viscous liquid substance encapsuled with a wall of an aggregate of finely divided silica powder, which comprises adding the highly viscous liquid substance into a powder bed of the finely d... | 05/19/1981 |
| 4179393 | Stable aqueous suspension of water-insoluble, calcium-binding aluminosilicates and organic suspending agents Stable, pumpable, aqueous suspensions of water-insoluble, calcium-binding aluminosilicates suitable as stock suspensions comprising (A) from 20% to 55% by weight of at least one finely-divided, water-insoluble silicate compound having a calcium-binding po... | 12/18/1979 |
| 4115281 | Compositions for souring and softening laundered textile materials, method of preparing the same, and stock solutions prepared therefrom Liquid and solid compositions are provided for souring and imparting softness to freshly laundered textile materials. When in the form of a stable homogeneous liquid, the composition may contain (a) a quaternized fatty amide, an aqueous emulsion of partia... | 09/19/1978 |