In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7615601 | Process for production of living radical polymers and polymers A process for producing a living radical polymer characterized in that a vinyl monomer is polymerized with use of a living radical polymerization initiator represented by the formula (1) and a compound represented by the formula (2), and the living radical polymer o... | 11/10/2009 |
| 7598332 | Polymerizable compound, polymer compound, composition using the same, image-forming method, and image-forming apparatus There is provided a polymer compound including a repetitive unit structure represented by the following general formula (2): General formula (2): (where X′ represents a polyalkenyl group; A represents a linear or branched alkylene group having a carbon atom number... | 10/06/2009 |
| 7511107 | Ethylene terpolymer waxes, their preparation and their use An ethylene terpolymer wax comprising from 40 to 95% by weight of units of ethylene, from 0.1 to 40% by weight of units of at least one anhydride of a C4-C10-dicarboxylic acid having at least ... | 03/31/2009 |
| 7442753 | Polymer compound and block polymer compound A compound represented by the following general formula (1): (1) wherein A represents an alkenyl ether group which may be substituted; B represents a linear or branched alkylene group having 1 to 15 carbon atoms which may be substituted; m represents an integer from... | 10/28/2008 |
| 7411033 | Vinyl ethers and compositions containing them Disclosed are vinyl ethers and related compositions. The vinyl ethers are the conjugate addition reaction product of reactants comprising a vinyl ether group-containing acrylic ester and a nucleophile. ... | 08/12/2008 |
| 7399817 | Olefin copolymers containing hydrolytically cleavable linkages and use thereof in degradable products The invention is directed to olefin copolymers composed of nonhydrolyzable monomer units and hydrolyzable monomer units, the latter resulting from copolymerization of monomers containing a linkage that is hydrolytically cleavable in the presence of aqueous base or a... | 07/15/2008 |
| 7291690 | Process for production of living radical polymers and polymers A process for producing a living radical polymer characterized in that a vinyl monomer is polymerized with use of a living radical polymerization initiator represented by the formula (1) and a compound represented by the formula (2), and the living radical polymer o... | 11/06/2007 |
| 7205367 | Fluorocopolymer A fluorocopolymer which comprises (a) polymerized units based on tetrafluoroethylene and/or chlorotrifluoroethylene, (b) polymerized units based on a fluorinated monomer (excluding tetrafluoroethylene and chlorotrifluoroethylene) and (c) polymerized units based on a... | 04/17/2007 |
| 7175832 | Aqueous dispersions of crystalline polymers and uses Aqueous dispersions of crystalline polymers based on hydrophobic monomers, preferably on a mixture of hydrophobic and hydrophilic monomers which contains a crosslinking monomer, particularly side chain crystalline (SCC) polymers. The dispersions are useful for provi... | 02/13/2007 |
| 7160945 | Water borne film-forming compositions The present invention provides a film-forming composition comprising a particulate polymer or emulsified liquid pre-polymer, water and a coalescent aid comprising an ester having the formula RCOOX wherein R and X are independently hydrocarbyl or substituted hydrocar... | 01/09/2007 |
| 7091275 | Aqueous polymeric composition containing polymeric nanoparticles and treatments prepared therefrom An aqueous polymeric composition containing select polymeric nanoparticles is provided. The select polymeric nanoparticles contain as polymerized units at least one multiethylenically unsaturated monomer and at least one water soluble monomer; and have a mean diamet... | 08/15/2006 |
| 7078470 | Fluorocopolymer A fluorocopolymer which comprises (a) polymerized units based on tetrafluoroethylene and/or chlorotrifluoroethylene, (b) polymerized units based on a fluorinated monomer (excluding tetrafluoroethylene and chlorotrifluoroethylene) and (c) polymerized units based on a... | 07/18/2006 |
| 7056986 | Ethylene-acrylic copolymer rubber composition An ethylene-acrylic copolymer rubber composition, which comprises (A) a carboxyl group-containing ethylene-acrylic copolymer rubber, (B) at least one monoamine compound selected from the group consisting of a primary amine, a secondary amine and a tertiary amine, (C... | 06/06/2006 |
| 7037992 | Olefin copolymers containing hydrolytically cleavable linkages and use thereof in degradable products The invention is directed to olefin copolymers composed of nonhydrolyzable monomer units and hydrolyzable monomer units, the latter resulting from copolymerization of monomers containing a linkage that is hydrolytically cleavable in the presence of aqueous base or a... | 05/02/2006 |
| 6939914 | High stiffness absorbent polymers having improved absorbency rates and method for making the same Superabsorbent polymer materials are provided including absorbent polymers having a fast vortex time, desirably about 10 seconds or less, and a stiffness index of at least about 0.7, as determined by test procedures described herein. The absorbent polymers can be mo... | 09/06/2005 |
| 6930143 | Acrylic latex composition An acrylic emulsion is disclosed. The emulsion comprises from about 30% to about 90% by weight of water, about 10% to about 70% by weight of an acrylic polymer, about 0.2% to about 10% by weight of a emulsifying agent, and up to 20% by weight of an organic solvent. ... | 08/16/2005 |
| 6864314 | Block polymers, compositions and methods of use for foams, laundry detergents, shower rinses and coagulants The present invention relates to a block polymeric material. Typically the block polymer comprises units capable of having an average cationic charge density of about 15 or less, preferably 5 or less, more preferably from about 0.05 to about 5, even more preferably ... | 03/08/2005 |
| 6855762 | Method for producing water soluble polymer of esters from ethylenically unsaturated carboxylic acids and polyalkylene glycols A process for the preparation of water-soluble polymers of esters of ethylenically unsaturated carboxylic acids and polyalkylene glycols by azeotropic esterification, in the presence of organic solvents which form an azeotrope with water, of ethylenically unsaturate... | 02/15/2005 |
| 6855787 | Multi-layer hose A multi-layer hose having a multi-layer structure comprising an inner layer (I) made of a fluorocopolymer and an outer layer (II) made of a polyamide resin, wherein the fluorocopolymer constituting the inner layer (I) is a fluorocopolymer which comprises polymerized... | 02/15/2005 |
| 6774199 | Polymer having switchable tackiness The present invention relates to a polymer of formula (I), which has a liquid crystalline side chain and exhibits switchable tackiness at a narrow temperature range around its isotropic transition temperature: wherein, | 08/10/2004 |
| 6774198 | Partially branched polymers The present invention relates to partially branched polymers having a number-average molecular weight Mn in the range from 500 to 20 000 daltons and synthesized from ethylenically unsaturated monomers including: i) from 80 to 99.9% by weight of mon... | 08/10/2004 |
| 6699953 | Lens made of synthetic resin and process for producing the same The present invention provides a material for optical lenses which not only sufficiently has properties such as impact resistance and dye-affinity essential for the optical lenses but also simultaneously attains a high refractive index, a high Abbe's numb... | 03/02/2004 |
| 6635732 | Water plasticized high refractive index polymer for ophthalmic applications A high refractive index, foldable polymer suitable for use in ophthalmic devices, such as intraocular lenses, is provided. The polymer may be produced from a polymerization reaction of first, second and third monomeric components and a crosslinking agent.... | 10/21/2003 |
| 6635731 | Water plasticized high refractive index polymer for ophthalmic applications A high refractive index, foldable polymer suitable for use in ophthalmic devices, such as intraocular lenses, is provided. The polymer may be produced from a polymerization reaction of first, second and third monomeric components and a crosslinking agent.... | 10/21/2003 |
| 6548565 | Non-aqueous coating composition based on an oxidatively drying alkyd resin and a photo-initiator A non-aqueous coating composition based on an oxidatively drying alkyd resin and a photo-initiator. An acid or latent acid and one or more compounds of the group of vinyl ethers, acetals, and alkoxysilanes which are reactive in the presence of an acid are... | 04/15/2003 |
| 6458174 | Copolymers, and their use as additives for improving the cold-flow properties of middle distillates Copolymers containing A) from 45 to 54 mol % of divalent structural units of the formula 1 ##STR1## in which a and b=0 or 1 and a+b=1, B) from 35 to 53 mol % of divalent structural units of the formula 2 --H2 C--CHR2 -- (2) and C) from 1 to 2... | 10/01/2002 |
| 6437052 | Monomer having diol structure, polymer thereof, and negative photoresist composition and pattern forming method using the same Disclosed is a negative photoresist which is suitable for use in photolithography using light of 220 nm or shorter like the light from the ArF excimer laser as exposure light, avoids pattern deformation originated from swelling and has a high adhesion str... | 08/20/2002 |
| 6391984 | Polymerization process A staged method of forming vinyl (e.g. acrylate) copolymer by solution polymerization which involves a) charging up to 90% of at least two vinyl monomers of the vinyl copolymer to a first stage reaction zone, b) polymerizing the at least two vinyl monomer... | 05/21/2002 |
| 6353069 | High refractive index ophthalmic device materials High refractive index copolymers suitable for use in ophthalmic devices are disclosed. The copolymers comprise a) two or more monomers of the structure: ##STR1## wherein: X is H or CH3 ; m is 0-10; Y is nothing, O, S, or NR wherein R is H, CH | 03/05/2002 |
| 6281319 | Water plasticized high refractive index polymer for ophthalmic applications A high refractive index, foldable polymer suitable for use in ophthalmic devices, such as intraocular lenses, is provided. The polymer may be produced from a polymerization reaction of first, second and third monomeric components and a crosslinking agent.... | 08/28/2001 |
| 6180687 | In vivo polymerizable ophthalmic compositions and methods of using In vivo polymerizable intraocular lens compositions which comprise substituted fluoroalkyl or perfluoroalkyl monomers having anionic, cationic, and/or nonionic surface active functionality in the unsaturated fluorophobic ends. The compositions are prefera... | 01/30/2001 |
| 6174980 | Cement dispersant, method for producing polycarboxylic acid for cement dispersant and cement composition The present invention provides a method for producing a cement dispersant having high percentage in water reduction-rate and appropriate air-entraining property. This method for producing a polycarboxylic acid for a cement dispersant is characterized in t... | 01/16/2001 |
| 6057412 | Amphipathic compound having succinic acid skeleton An amphipathic compound represented by any of the following Formulas: ##STR1## (R1 is a linear or branched, saturated hydrocarbon group having 6 to 48 carbon atoms, or a linear or branched, unsaturated hydrocarbon group containing 1 to 12 ... | 05/02/2000 |
| 6054502 | Radiation curable compositons based on unsaturated polyesters and compounds having at least two vinyl ether groups A radiation curable coating composition comprising: (A) an unsaturated polyester component; and (B) a non-polymerized, cocurable vinyl ether component. Component (B) may be separate from or structurally incorporated in the unsaturated polyester component.... | 04/25/2000 |
| 6046292 | Polymerizable mesophases based on substituted unsaturated carboxylic acids Mesogens are provided based on substituted unsaturated carboxylic acids such as acrylic and methacrylic acid. Substitution of a variety of hydrophobic tails onto the carboxylic acid or acid derivative via the vinyl carbon proximal to the carbonyl of the c... | 04/04/2000 |
| 6037431 | Surfactant absorbing agent and method and surfactant carrying material Inexpensive absorbing agent and method for readily and satisfactorily collecting and removing a surfactant from a solution, such as a surfactant-containing liquid waste, are provided. The absorbing agent includes, for example, a crosslinked polymer having... | 03/14/2000 |
| 6001892 | Polyester and vinyl ether radiation curable compositions with reactive diluent A liquid, radiation curable composition is disclosed that includes a reactive diluent to lower initial application viscosity without substantial reduction of cure rate. The composition of the present invention comprises: (a) an unsaturated polyester polym... | 12/14/1999 |
| 5942556 | Stabilized radiation curable compositions based on unsaturated ester and vinyl ether compounds Disclosed is a radiation curable composition which includes: (a) an unsaturated ester compound, and (b) a pulverizable vinyl ether compound. The unsaturated ester compound is characterized as having a plurality of unsaturated ester groups per molecule. Th... | 08/24/1999 |
| 5880239 | Fusible chlorine-free vinyl acetate copolymer fibres Fusible vinyl acetate copolymer fibers based on vinyl acetate copolymers are provided and contain (a) at least 40.0% by weight of vinyl acetate units; (b) 15.0 to 50.0% by weight of monomer units that consist of one or several chlorine-free, ethylenically... | 03/09/1999 |
| 5869590 | Waterborne polymers having pendant allyl groups This invention provides polymers useful in coating compositions. The polymers are prepared via a free radical polymerization using ethylenically unsaturated monomers. The polymers of this invention possess pendant allylic groups which are capable of effec... | 02/09/1999 |