...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 |
| 7309474 | Composition and process A solvent extraction composition is comprised of one or more orthohydroxyarylaldoximes and one or more othohydroxyarylketoximes, and one or more equilibrium modifiers in an amount providing a degree of modification of the orthohydroxyarylaldoximes from about 0.2 to ... | 12/18/2007 |
| 7214758 | Rubber adhesive composition for textile materials This invention relates to an adhesive composition comprising: an elastomeric latex; a phenol, an aldehyde and an alkylated melamine-formaldehyde resin suitable for use in the adhesion of textile material to rubber. This invention also relates to a method of promotin... | 05/08/2007 |
| 6988623 | Beneficiation of sulfide minerals Froth flotation processes, useful for beneficiating base metal mineral values from metal sulfide ore, utilize a collector comprising N-butoxycarbonyl-O-butylthionocarbamate. ... | 01/24/2006 |
| 6900314 | Process for making triazine UV absorbers using lewis acids and reaction promoters It has been now surprisingly discovered after extensive research that 2-halo-4,6-bisaryl-1,3,5-triazine can be prepared with unprecedented selectivity, efficiency, mild conditions, and in high yield by the reaction of cyanuric halide with aromatics in the presence o... | 05/31/2005 |
| 6867250 | Non-yellowing ortho-dialkyl aryl substituted triazine ultraviolet light absorbers The invention relates generally to pyrimidines and triazines ultraviolet light absorbers containing a phenolic aromatic group(s) and a non-phenolic aromatic group(s) and the use thereof to protect against degradation by environmental forces, inclusive of ultraviolet... | 03/15/2005 |
| 6855269 | Phenyl ether-substituted hydroxyphenyl triazine ultraviolet light absorbers This invention relates generally to phenyl ether substituted triazines compounds and compositions containing same and their use to protect against degradation by environmental forces. A method for stabilizing a material by incorporating such triazines is also disclo... | 02/15/2005 |
| 6843939 | UV stabilizing additive composition This invention relates to an UV stabilizing additive composition comprising an ortho-hydroxy triazine compound, a hindered hydroxybenzoate compound and optionally a hindered amine compound. This additive composition may be used to stabilize materials from UV radiati... | 01/18/2005 |
| 6840256 | Process and apparatus for supplying a gaseous mixture A method and apparatus for generating a non-flammable gaseous mixture from a first flammable gas and a second gas in which said first gas is flammable. Air may be extracted from the atmosphere or storage container to be treated. The air is circulated in a conduit ( | 01/11/2005 |
| 6806304 | Process for improving the shelf life of a hindered phenol antioxidant The present invention relates to a process for improving the shelf life of a hindered phenol antioxidant comprising the step of intimately mixing the hindered phenol antioxidant with a sulfur-containing peroxide decomposer. The inventors have discovered that mixing ... | 10/19/2004 |
| 6800757 | Red-shifted triazine ultravioletlight absorbers The present invention relates to novel red-shifted UV absorbers comprising 1,3,5-triazine structures containing a 2-naphthol-derived substituent. The present invention also relates to a method for stabilizing a material by incorporating into such material, e.g., org... | 10/05/2004 |
| 6774232 | Low color, low sodium benzoxazinone UV absorbers and process for making same The present invention relates to benzoxazinone compounds having a yellow index less than about 0, and a sodium concentration less than about 50 ppm. This invention also relates to a process for preparing these compounds comprising the step of reacting an isatoic anh... | 08/10/2004 |
| 6739454 | Mineral collector compositions and processes for making and using same Collector compositions of a mixture of a C6 to C22 fatty hydroxamic acid and an oil for use in a method the removal of impurities from mineral ores by the froth flotation method. The collectors are prepared by reacting an ester of a C6 | 05/25/2004 |
| 6730785 | Process for making triazine UV absorbers using lewis acids and reaction promoters It has been now surprisingly discovered after extensive research that 2-halo-4,6-bisaryl-1,3,5-triazine can be prepared with unprecedented selectivity, efficiency, mild conditions, and in high yield by the reaction of cyanuric halide with aromatics in the presence o... | 05/04/2004 |
| 6727300 | Polymeric articles containing hindered amine light stabilizers based on multi-functional carbonyl compounds Polymeric articles containing at least one polymeric material and a sufficient amount of at least one novel hindered amine light stabilizers to inhibit at least one of photo- or thermal degradation. The hindered amine light stabilizer may be a monomeric or an oligom... | 04/27/2004 |
| 6723825 | Stable liquid melamine urea formaldehyde resins, hardeners, adhesive compositions, and methods for making same The invention relates to a process for preparing a liquid melamine urea formaldehyde resin that has long term stability. The invention also relates to a liquid MUF resin with a high formaldehyde and melamine content. The invention further relates to a liquid suspens... | 04/20/2004 |
| 6710177 | Process for making triazine UV absorbers using Lewis acids and reaction promoters It has been now surprisingly discovered after extensive research that 2-halo-4,6-bisaryl-1,3,5-triazine can be prepared with unprecedented selectivity, efficiency, mild conditions, and in high yield by the reaction of cyanuric halide with aromatics in the presence o... | 03/23/2004 |
| 6696570 | Oligomeric hindered amine light stabilizers based on multi-functional carbonyl compounds and methods of making same Oligomeric compounds and methods of making the compound having the formula: wherein i, j, k, and l are integers from about 0 to 300 and the sum of i, j, k, and l is greater than 2, wherein the units F, F' and T are derived from one or more multi-functional car... | 02/24/2004 |
| 6664326 | Aqueous dispersions Aqueous dispersions of cationic water-soluble polymers are provided, as well as processes for making and methods of using the same.... | 12/16/2003 |
| 6632944 | Process for isolation of monophenolic-bisaryl triazines This invention relates to a novel, efficient, economic and general-purpose process for isolating monophenolic-bisaryl triazine compounds from polyphenolic-triazines compounds and other impurities. More specifically, this invention relates to a process for... | 10/14/2003 |
| 6630599 | Process for preparing derivatives of isopropenyl-, -dimethylbenzyl isocyanate A process for preparing blocked derivatives of m- or p- isopropenyl-,-dimethylbenzyl isocyanates, comprising reacting a meta- or a para-isopropenyl-,-dimethylbenzyl carbamate ester with hydroxy functional blocking group, such a... | 10/07/2003 |
| 5914366 | Multimodal emulsions and processes for preparing multimodal emulsions Multimodal emulsions comprising a blend of at least one polymeric microemulsion provide for high solids and low bulk viscosity. Convenient and versitale processes for preparing multimodal emulsions are also provided. Mannich (alk)acrylamide polymeric micr... | 06/22/1999 |
| 5883181 | Multimodal emulsions and processes for preparing multimodal emulsions Multimodal emulsions comprising a blend of at least one polymeric microemulsion provide for high solids and low bulk viscosity. Convenient and versitale processes for preparing multimodal emulsions are also provided. Mannich (alk)acrylamide polymeric micr... | 03/16/1999 |
| 5763530 | Stable emulsion blends and methods for their use Stable compositions comprising a blend of at least two inverse emulsions, at least one of which is a polymeric microemulsion, provide effective flocculating performance over time. Methods for preparing stable emulsion blends use stabilizing amounts of ald... | 06/09/1998 |
| 5763523 | Stable emulsion blends and methods for their use Stable compositions as flocculants comprising a blend of at least two inverse emulsions, at least one of which is a polymeric microemulsion, provide effective flocculating performance over time. Methods for preparing stable emulsion blends use stabilizing... | 06/09/1998 |
| 5707532 | Methods of coagulating and decolorizing waste streams Compositions comprising polyamine and melamine polymers in certain ratios are provided for coagulating suspended solids in wastewaters such as deinking process waters and raw waters.... | 01/13/1998 |
| 5696228 | Process for producing substantially dry polymer particles from aqueous dispersions Aqueous dispersions of cationic water-soluble polymers are provided, as well as processes for making and methods of using the same.... | 12/09/1997 |
| 5686619 | Chloroalkyl pyridinium hydrochloride compounds and processes for their preparation Provided is a process for preparing chloroalkyl pyridinium hydrochloride compounds and various regioisomers and analogs thereof having substantially high purity levels and yields and a free-flowing, non-dusting form.... | 11/11/1997 |
| 5679740 | Mechanically stable self inverting water-in-oil polymer emulsions containing carboxylated ethoxylated phenols or alcohols Mechanically stable, self-inverting water-in-oil polymer emulsions for use in industrial water treatment, waste water treatment, sludge conditioning, ore dressing, papermaking, secondary and tertiary oil recovery containing carboxylated ethoxylated phenol... | 10/21/1997 |
| 5656175 | Recovery of metal oxides from a slurry A process for recovering metal oxides from waste water using anionic and cationic polymeric emulsions is disclosed. The treated metal oxides may then be recovered using a clarification step. Steps requiring the adjustment of pH based on the use of acids a... | 08/12/1997 |
| 5650465 | Ampholytic polymers and polymeric microemulsions Quaternary dialkylaminomethyl polymers derived from (alk)acrylamide and about 1 to about 15 mole percent ethylenically unsaturated anionic comonomer wherein the resulting ampholytic polymer has a standard viscosity of at least about 2.1 cps are disclosed.... | 07/22/1997 |
| 5547753 | Aminoplast-anchored ultraviolet light stabilizers Novel aminoplast anchored UV stabilizers are provided. Compared to unanchored stabilizers, the anchored stabilizers disclosed herein have increased compatibility with coating resins and have reduced volatility due to higher molecular weights resulting fro... | 08/20/1996 |
| 5512184 | Ampholytic polymers and polymeric microemulsions Quatemary dialkylaminomethyl polymers derived from (alk)acrylamide and about 1 to about 15 mole percent ethylenically unsaturated anionic comonomer wherein the resulting ampholytic polymer has a standard viscosity of at least about 2.1 cps am disclosed. P... | 04/30/1996 |
| 5483078 | Ink penetrometer having fiber optic cables and stationary ink paddle An improved penetrometer includes a stationary ink delivery system and an improved photohead, which connects to a light source and a photodetector via two fiber optic cables. A solid state electronic circuit automatically controls the operation cycle of t... | 01/09/1996 |
| 5380444 | Ampholytic polymers and polymeric microemulsions Quaternary dialkylaminomethyl polymers derived from (alk)acrylamide and about 1 to about 15 mole percent ethylenically unsaturated anionic comonomer wherein the resulting ampholytic polymer has a standard viscosity of at least about 2.1 cps are disclosed.... | 01/10/1995 |