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President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 6968662 | Sealing courses of shingles The present invention relates to improved wind lift resistant self-sealing shingles having an adhesive-to-adhesive seal between courses of shingle installation. ... | 11/29/2005 |
| 6863944 | Thermoplastic single ply protective covering Improved single ply, water proof roof coverings having an extruded pressure sensitive rubber-based adhesive backing for attachment to a substrate such as the roof of a building or a transport vehicle, the adhesive comprising a thermoplastic rubber containing at leas... | 03/08/2005 |
| 6858315 | Low VOC asphalt primer An asphalt primer composition which comprises between about 0.8 and about 45 wt. % of a halobenzotrifluoride and between about 55 and about 92 wt. % of liquid cutback asphalt normally employed in building construction and road paving and having a VOC below 200 g/l. | 02/22/2005 |
| 6817152 | Fiber mats for materials of construction having improved tear strength and process for making same The invention relates to a coated fiber mat of improved tear strength upon dividing pieces of the coated mat and the coating which comprises a cured, non-woven, fiber glass mat containing a polysiloxane wherein the fibers are fixedly distributed in a formaldehyde ty... | 11/16/2004 |
| 6806334 | Proliferous copolymer of vinyl pyrrolidone and vinyl acetate What is described herein is an excipient for a pharmaceutical tablet which is a proliferous copolymer of vinyl pyrrolidone and vinyl acetate, to provide the tablet with rapid dissolution and disintegration properties, and, also reduced hygroscopicity. ... | 10/19/2004 |
| 6804919 | Backer for tabbed composite shingles In a rectangular composite shingle unit including (a) a top sheet having a lower butt portion which is longitudinally divided into spaced tabs and an upper undivided headlap portion having a horizontal line of markings immediately above the butt portion indicating n... | 10/19/2004 |
| 6774344 | Process for adhering roofing material to a roof deck and assembly therefor The process of adhering asphaltic roofing tiles to a roof deck by covering the tiles on the deck with a heat blanket capable of generating a temperature of at least the cure temperature of the tiles thereby sealing the tiles to the deck. ... | 08/10/2004 |
| 6774071 | Foamed facer and insulation boards made therefrom This invention relates to a low fiber, plyable facer suitable for use in the construction industry, particularly for insulation board manufacture, comprising a dry preformed fiber mat containing a binder for the fibers, preferably a preformed glass mat, coated with ... | 08/10/2004 |
| 6767548 | Gel inhibited liquid carrier for a biocide containing a carbodiimide and an emulsifier mixture This invention relates to a biocidal composition resistant to the formation of a gel and to the method for stabilizing a concentrate containing, in addition to the biocide, a carbodiimide, a lipophilic/hydrophilic emulsifier mixture having a HLB of 6 to 20 and optio... | 07/27/2004 |
| 6753362 | Cold bond adhesive An adhesive composition which requires no applied heat to effect curing and which produces a strong bond between a polymeric capping membrane suitably employed in roofing or siding and a roofing or siding base or substrate which composition essentially comprises a h... | 06/22/2004 |
| 6740653 | Shelf life extension of microemulsions containing active aza biocide This invention relates to the stabilization of o/w microemulsions containing an active aza biocide by addition of an alkaline, water soluble buffering agent in an amount sufficient to adjust the pH to between 6 and 14 and to the use of said o/w microemulsions to con... | 05/25/2004 |
| 6713538 | Post-treatment of a polymeric composition A post-treatment process for making a water-resistant polymeric coating composition or a strongly-swellable polymeric gel includes providing a stable, aqueous two-phase polymeric composition by the steps of forming a reaction mixture in a reaction vessel which inclu... | 03/30/2004 |
| 6706147 | Process for making fiber mats for materials of construction having improved tear strength The invention relates to a coated fiber mat of improved tear strength upon dividing pieces of the coated mat and the coating which comprises a cured, non-woven, fiber glass mat containing a polysiloxane wherein the fibers are fixedly distributed in a formaldehyde ty... | 03/16/2004 |
| 6705050 | Flashing device A flashing device for covering a wall mounted service feed line entering or exiting a building which device comprises a flat plate having a central keyhole shaped opening and a downwardly or horizontally extending hollow sleeve member integrally mounted to the eye p... | 03/16/2004 |
| 6706817 | Polymeric hydrogels What is described is a polymeric hydrogel of a polymeric anhydride or acid, e.g. maleic anhydride or maleic acid polymer, or copolymer thereof, crosslinked with a crosslinking agent containing at least 2 crosslinkable groups, particularly, —OH or —NH2... | 03/16/2004 |
| 6682188 | Inkjet printing composition An inkjet printing composition for coating a substrate to receive dye images thereon includes: (a) a polymer for absorbing said dye images, and (b) a dye fixative therein to inhibit migration of dye images from one part of the substrate to other portions ... | 01/27/2004 |
| 6667029 | Stable, aqueous cationic hydrogel A stable, aqueous cationic hydrogel of, by weight, 1-50% of a crosslinked cationic copolymer of 5-95% vinylpyrrolidone (VP) and 5-95% 3-dimethylaminopropyl(meth)acrylamide (DMAPMA) monomers, a crosslinking agent in an amount of 0.05-1% of said monomers, a... | 12/23/2003 |
| 6641259 | Substrate for color inkjet printing A method of color inkjet printing on a substrate coated with a substantially colorless, 90-10 to 30-70, wt/wt, copolymer of vinyl pyrrolidone and vinyl imidazole, by inkjet printing dye images on the thus-coated substrate, characterized in that the dye im... | 11/04/2003 |
| 6624242 | Aqueous dispersions of low-molecular weight, low-melting and water insoluble polymers An aqueous dispersion of (a) 0.1-40% by wt. of a low molecular weight, low melting point, water-insoluble polymer in which the polymer particles have a size | 09/23/2003 |
| 6624271 | Process for making a solution of copolymers of maleic anhydride and alkyl vinyl ether in isopropyl acetate of high specific viscosity and at a high solids level A process for making a solution of a copolymer of maleic anhydride (MA) and methyl vinyl ether (MVE) monomers the specific viscosity (SV) of the product being about 2.5-6, preferably 3-5, indicating a weight average molecular weight of substantially above... | 09/23/2003 |
| 6620426 | Tablet coating composition A tablet coating composition including a mixture of (a) sodium alginate and (b) a polyvinylpyrrolidone-vinyl acetate copolymer, and, optionally, (c) hydroxypropylmethyl cellulose, and/or hydroxypropyl cellulose.... | 09/16/2003 |
| 6620521 | Water-resistant color inkjet receptive films What is described herein is a process for preparing a lightly-crosslinked copolymer of (a) vinyl pyrrolidone (VP) and (b) dimethylaminopropyl methacrylamide (DMAPMA) under more reproducible conditions. Suitably the weight ratio of (a):(b) is 50-95:50-5, p... | 09/16/2003 |
| 6620900 | Proliferous copolymer of vinyl pyrrolidone and vinyl acetate What is described herein is a pharmaceutical excipient which is a proliferous copolymer of vinyl pyrrolidone and vinyl acetate, having advantageous dissolution and disintegration properties.... | 09/16/2003 |
| 6616740 | Liquid compositions of IPBC in polyethylene glycol, polypropylene glycol or polypropylene glycol glyceryl esters Liquid compositions consisting essentially of by weight, 0.1-50% IPBC in 99.9-50% polyethylene glycol, polypropylene glycol or polypropylene glycol glyceryl ester, or mixtures thereof, which do not contribute to the VOC of paints and coatings and is stabi... | 09/09/2003 |
| 6617372 | Process of making polymeric hydrogel products What is described is a polymeric hydrogel product of a stable, aqueous polymeric composition which composition forms a clear to translucent film upon application to a substrate, and includes, by weight, 5-75% of (a) a water-soluble polymer having (b) in s... | 09/09/2003 |
| 6242518 | Method for preventing or retarding the formulation of gas hydrates A composition for preventing or retarding the formation of gas hydrates during the transport of a fluid comprising water and a hydrocarbon through a conduit. The composition is a homopolymer of vinyl caprolactam, or copolymers thereof, having a low molecu... | 06/05/2001 |
| 6241977 | Thermal protection of hair keratin A method of protecting hair or wool against thermal degradation when heat treated at 100-180° C. which comprises applying a composition which includes methyl vinyl ether-maleic acid copolymer as an active constituent to said hair or wool.... | 06/05/2001 |
| 4885411 | Hydrogenation process for converting lactones to diols The invention relates to a novel supported catalyst comprising (a) copper, (b) a metal having an atomic weight greater than 100 and selected from Groups VIIB and VIII of the Periodic Table and (c) an alkali metal in a weight ratio of about 8-40:0.05-5:1.5... | 12/05/1989 |
| 4885410 | Hydrogenation catalyst The invention relates to a novel supported catalyst comprising a combination of metals with nickel as component (a), a metal having an atomic number greater than 43 from Groups VIIB and VIII of the Periodic Table as component (b) and rhenium as component ... | 12/05/1989 |
| 4853439 | Water-soluble complexes of water-insoluble organic compounds A novel, highly water soluble complex of a substantially insoluble organic compound and a solid homopolymer or copolymer of N-vinyl-2-pyrrolidone. The complex exhibits water solubilities in excess of about 25-fold that of the insoluble organic compound. A... | 08/01/1989 |
| 4813482 | Method for removal of paraffin from producing oil wells A method for removing paraffin from a producing oil well comprising (a) contacting a mixture of a paraffin-dispersing effective amount of an alkyl or aralkyl polyoxyalkylene phosphate ester surfactant in the free acid form, or in the form of the alkali me... | 03/21/1989 |
| 4812255 | Paint removing compositions Water soluble paint remover compositions for the removal of uncured paint are disclosed which avoid the use of toxic organic solvent, in particular, methylene chloride. The inventive compositions comprise an organic carboxylic acid, N-methyl-2-pyrrolidone... | 03/14/1989 |
| 4607075 | Polyester compostions Poly(C2 -C4 alkylene terephthalate) molding composition containing aromatic polyester and impact modifier. The aromatic polyester is a linear aromatic polyester consisting essentially of bisphenol and dicarboxylic acid monomer compon... | 08/19/1986 |
| 4600759 | Process for making copolymers of vinylpyrrolidone and maleic anhydride Process for copolymerization of vinylpyrrolidone and maleic anhydride in the presence of organic solvent, catalyst and between about 0.1 and 1.0 weight % water.... | 07/15/1986 |
| 4586962 | Surface cleaning process Particulate contaminant is removed from surfaces by applying a coating of an aqueous solution of copolymer of maleic acid and monomer. The particulate contaminant becomes incorporated into the coating during drying and the coating detaches itself from the... | 05/06/1986 |
| 4578407 | Thixotropic rust removal coating and process Spreadable thixotropic coating composition suitable for rust removal and containing polyvinylpyrrolidone, water and a thixotropic agent which is either xanthan gum or water-soluble crosslinked interpolymer of maleic anhydride, monovinyl alkyl ether and cr... | 03/25/1986 |
| 4554311 | Method of preparing an aqueous solution comprising vinylpyrrolidone/vinyl acetate copolymers of various molecular weights using a single initiator system consisting essentially of t-Butylperoxypivalate Vinylpyrrolidone and vinyl acetate monomers are polymerized using free radical initiator consisting of t-Butylperoxypivalate and preferably in solvent consisting essentially of water, isopropyl alcohol, sec. butyl alcohol or mixtures thereof to produce vi... | 11/19/1985 |
| 4554312 | Method of preparing aqueous solutions of polyvinyl-pyrrolidone homopolymer of various molecular weights using a single initiator system consisting essentially of t-Butylperoxypivalate Vinylpyrrolidone is polymerized using free radical initiator consisting essentially of t-Butylperoxypivalate and preferably in solvent consisting essentially of water, isopropyl alcohol, sec. butyl alcohol or mixtures thereof.... | 11/19/1985 |
| 4543158 | Sheet type felt Sheet type felt material comprising 5-20 wt % glass fibers, 40-80 wt % cellulose fibers, 5-25 % binder and 3-20 wt % asphalt. The felt is made on conventional felt making equipment and may be used as siding or roofing underlayment or as facer for foam ins... | 09/24/1985 |
| 4539356 | Polyethylene terephthalate molding composition Polyethylene terephthalate molding composition containing aliphatic glycol phthalate and derivatives of alkali metal taurate or isethionate.... | 09/03/1985 |