...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8163398 | Leather production method and products suited thereof Process for the production of leather using products obtainable by reacting (A) at least one cyclic organic carbonate with (B) at least one compound having at least two nucleophilic groups per molecule, selected from sulfonic acid, hydroxyl, primary or secondary ami... | 04/24/2012 |
| 7378032 | Coating composition for leather, coating method, and coated leather A paint composition for leather comprising a fluorine-containing resin and a silicone oil, and a paint composition for leather comprising a curable fluorine-containing resin, a curing agent and a silicone oil can have both soft feeling of a leather itself and film p... | 05/27/2008 |
| 7323187 | Impregnation method The invention relates to a method for impregnating, incorporating or surface-treating substances/articles that can be microbially decomposed, contaminated and/or infested with parasites and/or that are perishable. The inventive method comprises the following steps: ... | 01/29/2008 |
| 7211327 | Oil and water repellent compositions and methods of application thereof An oil and water repellent composition for protecting fabric, wool, and other substrates is described. The oil and water repellent composition comprises: (a) a cationic fluoroacrylate copolymer with a glass transition temperature near ambient temperature; (b) a cati... | 05/01/2007 |
| 7208225 | Prefabricated plaster board The present invention provides a construction assembly for interior works, comprising: prefabricated elements, preferably flat prefabricated elements e.g. gypsum fiberboards, cement fiberboards, gypsum wall boards or plaster boards... | 04/24/2007 |
| 7208016 | Chromium-free, waterproof leather Chromium-free leather having a waterproofness, measured as penetration time according to DIN 53338 , of at least 30 min. ... | 04/24/2007 |
| 7183358 | Hydrophobically modified polymers Hydrophobically modified polymer compositions contain at least one polymer based on one or more ethylenically unsaturated monomers, in the form of an aqueous polymer dispersions or water-redispersible polymer powder prepared therefrom, further containing, a) one or ... | 02/27/2007 |
| 7179538 | Flexible leather laminate A heat and pressure consolidated flexible laminate, and a method for producing the same, is provided that includes in superimposed relationship, a flexible, resin coated backing layer consisting of one or more sheets, a decorative layer consisting essentially of a l... | 02/20/2007 |
| 7160480 | Leather treated with fluorochemicals A method of treating leather for imparting soil resistance to the leather by contacting the leather with a fluorinated hydrophobic additive comprising at least one fluorinated urethane or a mixture of at least one fluorinated urethane with at least one fluorinated e... | 01/09/2007 |
| 7060363 | Chromium-free, waterproof leather Chromium-free leather having a waterproofness, measured as penetration time according to DIN 53338, of at least 30 min. ... | 06/13/2006 |
| 7005462 | Polymer grout compositions Novel, one-part polymer grout compositions are provided comprising a silanated polymer. The inventive grout compositions can thus be water and/or stain resistant to a greater degree than conventional one-part polymer grouts. In some embodiments, the grout compositio... | 02/28/2006 |
| 6841583 | Composition and uses thereof A composition that has an ethylene/α-olefin copolymer (A), a blowing agent (B), and optionally, an organic peroxide and a crosslinking assistant. The ethylene/α-olefin copolymer (A) has an ethylene/α-olefin copolymer (A1) having a density of not less than 0.880 g... | 01/11/2005 |
| 6773805 | Method for protection of stone with substantially amorphous fluoropolymers This invention concerns the application of substantially amorphous fluoropolymer compositions to stone so as to protect the stone from the deleterious effects of water and pollution. ... | 08/10/2004 |
| 6767620 | Pigmented porous material A coloured porous material comprising in its pores an effectively colouring amount of an organic pigment which is obtainable by fragmenting a meltable or solvent-soluble pigment precursor, and a process for its preparation. The instant coloured porous material powde... | 07/27/2004 |
| 6767626 | Method for protection of stone with substantially amorphous fluoropolymers This invention concerns the application of substantially amorphous fluoropolymer compositions to stone so as to protect the stone from the deleterious effects of water and pollution. ... | 07/27/2004 |
| 6649567 | Controlled release microbiocide for porous surfaces Algal defacement of coated and non-coated porous masonry and wood construction materials is prevented by pre-treatment of the construction material with an aqueous composition of a copolymer that releases 2-propenal (acrolein) over time.... | 11/18/2003 |
| 6506795 | Wood preservatives A chromium-free wood preservative consisting essentially of 1 to 35% by weight of a mixture of 25 to 75 parts by weight of a fatty amine ethoxylate and 75 to 25 parts by weight of at least one member of the group consisting of an unsaturated fatty acid of... | 01/14/2003 |
| 6346331 | Composition for providing an abrasion resistant coating on a substrate Compositions having improved sability which, when applied to a variety of substrates and cured, form transparent coatings having superior abrasion resistant properties. The coating compositions are aqueous-organic solvent mixtures containing a mixture of ... | 02/12/2002 |
| 6294571 | Method for using neem extracts and derivatives for protecting wood and other cellulosic composites Disclosed are novel methods for a protecting or preserving wood, wood composites and other cellulosic materials, and in addition, disrupting the feeding behavior and growth cycle of termites, wood-borers and other insects, by applying certain compositions... | 09/25/2001 |
| 6207290 | Antifoulant compositions and methods of treating wood Antifoulant compositions include 10,10'-oxybisphenoxarsine and/or phenarsazine oxide with a quaternary ammonium salt. The antifoulant compositions may also include adjuvants such as fungicides, ultraviolet absorbers, and antioxidants. The antifoulant comp... | 03/27/2001 |
| 6179879 | Leather impregnated with temperature stabilizing material and method for producing such leather The present invention is directed towards a tanned leather product that is impregnated with a plurality of microspheres containing a temperature stabilizing material. The present invention is also directed to a tanning process for embedding the microspher... | 01/30/2001 |
| 6171983 | Fluroaliphatic dimer acid derivatives and use thereof This invention relates to fluorochemical compositions, their preparation and their use as water- and oil-repellents, and substrates treated therewith. The fluorochemical composition comprises a mixture of fluorochemical compounds and/or polymers, each com... | 01/09/2001 |
| 6120892 | Waterborne fluoropolymer solutions for treating hard surfaces A method for imparting water, oil or stain repellency to HARD SURFACES comprising application to the surface of an effective amount of a composition comprising monomers copolymerized in the following percentages by weight: (a) from about 40% to about 90% ... | 09/19/2000 |
| 6120840 | Method for making ceramic matrix composites using precursor polymers to refractory metal carbides and metal borides The present invention provides a method for making a ceramic matrix composite comprising forming an infiltrated fiber reinforcement by infiltrating a plurality of plies of a fibrous material with a precursor polymer which decomposes to a substantially pur... | 09/19/2000 |
| 5948474 | Bio-active rock and method for making the same A method for impregnating rock or landscaping material with bio-active and/or colored fluid. To impregnate the rock or landscaping material with bio-active chemical, the rock or landscaping material is heated to dehydrate it, and cooled to an ambient temp... | 09/07/1999 |
| 5885474 | Use of polyaspartic acid amides as leather auxiliary products Leather can be pretreated to obtain good body, soft feel, and excellent grain smoothness and solidity with products having a molecular weight of 700 to 30,000 and which are obtainable by reaction of A. polysuccinimide having a molecular weight, determined as t... | 03/23/1999 |
| 5880150 | Antimicrobial agent containing allyl isothiocyanate and method for controlling release speed of allyl isothiocyanate An antimicrobial agent comprising allyl isothiocyanate (AIT) packaged in a packaging material having a structure wherein part of the pores of a porous packaging substrate is filled with, or said pores are partially or entirely narrowed by a resin impervio... | 03/09/1999 |
| 5820993 | Method of producing wear resistant traffic markings The present invention is directed to a method of producing wear resistant traffic paint composition. In accordance with the method, a traffic marking of a traffic paint composition having low GPC number average molecular weight latex binder when applied t... | 10/13/1998 |
| 5817428 | Process for formation of epoxy resin/hide composite materials and materials obtained A process for the formation of epoxy resin/hide composite materials is provided in which the components of epoxy resin systems (epoxy resin and hardener) are mixed at a temperature lower than that at which significant reaction between these reagents occur... | 10/06/1998 |
| 5811122 | Hide/polymer and leather/polymer composite materials formed by in situ polymerization of polymer precursors impregnated into hide and leather Hide/leather-polymer composite materials are provided by the impregnation of polymer systems into interstitial void spaces in the collagen fiber network of the hide/leather precursors, providing a broad spectrum of composite materials possessing a wide va... | 09/22/1998 |
| 5759706 | Graphite lubricated leather for use in garments footwear and other leather products; a method for lubricating leather with graphite and a graphite impregnated leather product A graphite lubricated leather and a method for producing a graphite lubricated leather is provided. A chrome tanned leather having internal fiber matrix is lubricated by application of a graphite powder suspended in a gluteraldehyde solution which has the... | 06/02/1998 |
| 5747171 | Method of protecting a surface A method of protecting a porous material sensitive to corrosion caused by pollutants in the atmosphere. The method comprises treating the surface of the material with an agent containing more than 90% by weight of silica sol. The agent contains substantia... | 05/05/1998 |
| 5702828 | Process for waterproofing gypsum materials The invention provides a process for water-proofing gypsum materials which comprises adding, to a pulverulent gypsum plaster composition containing from 10 to 90% by weight of gypsum based on the total weight of the composition, a mixture of a) from 1.0 t... | 12/30/1997 |
| 5702780 | Scented rock and method for making the same A method for impregnating rock or mineral with scented and/or colored fluid. To impregnate the rock or mineral with scented fluid, the rock or mineral is heated to dehydrate it, and cooled to an ambient temperature in a dehumidified chamber, and then plac... | 12/30/1997 |
| 5672568 | Root growth inhibitors for building materials comprising monohydric alcohol esters of mecoprop There is described the use of compounds of the formula (II) ##STR1## in which R has the meaning given in the description, as root penetration inhibitors.... | 09/30/1997 |
| 5604024 | Products of reaction of an aluminum compound, a boron-containing acid, a phosphorus-containing acid and an amine Products of reaction of an aluminum compound (A), a boron-containing acid (B), a phosphorus-containing acid (P) and an amine (N) are characterized in that 1 mol of (A) has been reacted with from 0.3 to 1.19 mol of B, (from 1.8 to 2.19)+x mol of P and (fro... | 02/18/1997 |
| 5507960 | Method for treating plastic, leather or rubber substrates There is disclosed a method for treating and protecting a substrate, said method comprising coating the surface of said substrate with a composition comprising a blend of (A) a polydimethylsiloxane polymer having a viscosity at 25° C. of 5 to 100,000 cS;... | 04/16/1996 |
| 5482737 | Method of waterproofing rigid structural materials A novel coating for waterproofing and sealing a rigid structural unit using a styrene polymeric film cast from an organic solvent is disclosed. The coating is easily maintained as damaged areas and imperfections can be repaired by simply applying addition... | 01/09/1996 |
| 5464851 | Biocide composition and use A composition which contains a 2-halo-2-halomethyl glutaronitrile and a 4,5-polymethylene-4-isothiazolin-3-one. The compositions exhibit anti-microbial activity and certain combinations of isothiazolinones together with the glutaronitrile are surprisingly... | 11/07/1995 |
| 5441726 | Topical ultra-violet radiation protectants Disclosed are compositions for application to a surface to protect the surface from ultra-violet radiation, which include zinc oxide particles having a substantially rod shape.... | 08/15/1995 |