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 |
| 8067477 | Resin composition for electrophotographic toners and electrophotographic toners An object of the present invention is to provide the resin composition for electro-photographic toner, which the electro-photographic toner to be obtained by it is superior to low temperature fixing properties and a hot offset resistance, and the electro-photographi... | 11/29/2011 |
| 7759403 | Flexible polyurethane foam, process for its production, and seat for automobile using the flexible polyurethane foam To provide a flexible polyurethane foam having good vibration characteristics and suitable particularly for a seat for an automobile. A flexible polyurethane foam obtainable by reacting a polyol composition with a polyisocyanate compound in the presence of a ... | 07/20/2010 |
| 7635724 | Flexible polyurethane foam, process for its production, and seat for automobile using the flexible polyurethane foam To provide a flexible polyurethane foam having good vibration characteristics and suitable particularly for a seat for an automobile. A flexible polyurethane foam obtained by reacting a polyol composition with a polyisocyanate compound in the presence of a ca... | 12/22/2009 |
| 7439297 | Foamable fluoropolymers compositions without using foaming agents A composition comprising: A) 50-99.9% by weight of at least a copolymer (1) of ethylene (E) with chlorotrifluoroethylene (CTFE) wherein CTFE is comprised between 53 and 70% by moles, having a crystallinity in the range 5-45%; B) 0.1-50% by ... | 10/21/2008 |
| 7423070 | Surface-modified base matrices The present invention is a surface-modified base matrix comprised of a porous polymeric base matrix onto which branched hydrophilic polyhydroxy-functional polymers have been covalently attached, wherein the polyhydroxy-functional polymers are hyperbranched polymers ... | 09/09/2008 |
| 7388036 | Flexible polyurethane foam, process for its production, and seat for automobile employing it A novel flexible polyurethane foam having good vibration characteristics and being excellent in occupant posture stability, is provided. A flexible polyurethane foam obtainable by reacting a high molecular weight polyoxyalkylene polyol or a polymer-dispersed ... | 06/17/2008 |
| 7368483 | Porous composition of matter, and method of making same A low-k organic dielectric material having stable nano-sized porous is provided as well as a method of fabricating the same. The porous low-k organic dielectric material is made from a composition of matter having a vitrification temperature (Tv-comp) which includes... | 05/06/2008 |
| 7273894 | Compositions for the preparation of void-containing articles Disclosed are novel compositions for the preparation of void-containing articles comprising a polymer matrix and a voiding agent The voiding agent comprises at least one first polymer and at least one second polymer, which are selected on the basis of physical prope... | 09/25/2007 |
| 7271202 | Reactive hot melt adhesive The invention is a reactive hot melt composition which has excellent adhesion and curing properties, and can be formulated into free-flowing pellets or beads, by using an ethylene-acrylic acid copolymer, and athylene-methacrylic acid copolymer, and/or an ethylene-ac... | 09/18/2007 |
| 7241832 | Biodegradable polymer blends for use in making films, sheets and other articles of manufacture Biodegradable polymer blends suitable for laminate coatings, wraps and other packaging materials are manufactured from at least one “hard” biopolymer and at least one “soft” biopolymer. “Hard” biopolymers tend to be more brittle and rigid and typically h... | 07/10/2007 |
| 7179882 | Low viscosity polymer polyols The present invention relates to low viscosity polymer polyols and to a process for the preparation of these low viscosity polymer polyols. These polymer polyols comprise the free-radical polymerization product of (A) a base polyol, (B) a pre-formed stabilizer, and ... | 02/20/2007 |
| 7175910 | Absorbent cores for absorbent diapers having reduced thickness and improved liquid handling and retention performance and comprising a super absorbent polymer The present invention relates to absorbent cores for absorbent articles, which are intended to receive and retain bodily discharges such as urine. Such articles are disposable hygiene articles like baby diapers, training pants, adult incontinence articles, feminine ... | 02/13/2007 |
| 7153566 | Porous film and process for producing the same A porous film having excellent moisture permeability, flexibility and exudation resistance, as well as a manufacturing method capable of forming and stretching at high speed a porous film having the characteristics described above, the porous film being molded from ... | 12/26/2006 |
| 7115673 | Photosensitive resin composition, porous resin, circuit board, and wireless suspension board The present photosensitive resin composition 2 comprises a polyamic acid resin 4, a photosensitive agent, a dispersible compound 3 dispersible in the polyamic acid resin 4, and a solvent. The porous resin is obtained by removing the solve... | 10/03/2006 |
| 7091302 | Process for the preparation of polycarbonate The invention describes a process for the preparation of polycarbonate. The process includes (a) transesterifying at least one aromatic dihydroxyaryl compound and a diaryl carbonate in the melt in the presence of a catalyst, (b) mixing the ... | 08/15/2006 |
| 6999234 | Polarizing element, and plane light source unit and liquid crystal display apparatus using the same A polarizing element having excellent scattering and polarizing properties is made from a stretched sheet composed of a continuous phase and a dispersed phase. The element has continuous and dispersed phases including different resins, and the refractive index diffe... | 02/14/2006 |
| 6833094 | Dimensionally stable parts having good torsional stability and compositions and methods for making same Compositions, apparatus and methods of the present invention concern the manufacturing parts that remain strong and dimensionally stable after exposure to e-coat painting conditions. Such manufacturing includes providing a molding compound having about 55-65% by wei... | 12/21/2004 |
| 6812264 | Foamable polyester resin composition A foamable polyester resin composition comprising (A) 100 parts by weight of a polyester resin, (B) from 0.5 to 30 parts by weight of a (meth)acrylic ester polymer or a polymer mixture obtained by polymerizing from 0 to 50 parts by weight of a monomer mixture (b) in... | 11/02/2004 |
| 6800668 | Syntactic deformable foam compositions and methods for making The invention relates to methods for preparing a syntactic foam composition suitable for use as a carrier for chemicals or other compounds, including pharmaceuticals. The invention further relates to compositions prepared in accordance with the methods of the presen... | 10/05/2004 |
| 6790870 | Methods of making foamed materials of blended thermoplastic polymers using carbon dioxide A method of producing a foamed material comprises contacting a mixture comprising a first thermoplastic polymer and a second thermoplastic polymer with a blowing agent, wherein the first thermoplastic polymer has a higher percent crystallinity that the second thermo... | 09/14/2004 |
| 6787580 | Water-free preparation process for multimodal thermoplastic polymer foam and foam therefrom Prepare a multimodal thermoplastic polymer foam having a distribution of large and small cells in a substantial absence of water by using a blowing agent stabilizer. Multimodal foams of the present invention have blowing agent stabilizer predominantly located proxim... | 09/07/2004 |
| 6777454 | Vesiculated polyester granules This invention relates to a process of preparing vesiculated granules of crosslinked carboxylated polyester resin utilising a particular class of non-alkylphenolethoxylate surfactant. ... | 08/17/2004 |
| 6766571 | Adhesive composition comprising thermoplastic polyester and trapped gas bubbles A glazing adhesive product comprising a thermoplastic polyester material having trapped gas bubbles dispersed therein whereby the product has surface pores to provide a suction effect. Also provided is a method of installing/removing vehicle glazing. ... | 07/27/2004 |
| 6642282 | Porous para-oriented aromatic polyamide film, prepreg thereof, and base substrate for printed circuit board Provided is a porous para-oriented aromatic polyamide film which contains fine particles composed of a heat-resistant resin in an amount of 10 to 400 parts by weight based on 100 parts by weight of a pare-oriented aromatic polyamide and has a linear therm... | 11/04/2003 |
| 6630167 | Hyaluronic acid anti-adhesion barrier Methods of forming crosslinked hyaluronic acid anti-adhesion barriers, crosslinked hyaluronic acid anti-adhesions barriers, methods for preventing or inhibiting adhesions, and methods of promoting healing of a wound are provided. The method of forming the... | 10/07/2003 |
| 6596784 | Strengthened thermoplastic for window coverings A thermoplastic window covering article, and the method for making the same. The window covering article is formed of a closed cell foam of a thermoplastic strengthened with diatomaceous earth having less than about two percent moisture.... | 07/22/2003 |
| 6596389 | Foamed composite panel with improved acoustics and durability An acoustical panel formed from a fibrous, open-celled material comprised of up to about 50% by weight fibers, between about 3% and about 10% by weight binder, between about 20% and about 75% by weight filler and about 0.01% to about 2.0% by weight surfac... | 07/22/2003 |
| 6583189 | Strengthened thermoplastic A thermoplastic article, and the method for making the same. The article is formed of a closed cell foam thermoplastic or substantially solid thermoplastic strengthened with diatomaceous earth having less than about two percent moisture.... | 06/24/2003 |
| 6543573 | Speaker unit, speaker system, and speaker diaphragm manufacturing method The present invention provides a speaker unit comprising a diaphragm of 0.5 to 10 mm thick aromatic polycarbonate with a density of 0.03 to 0.6 g/cm3, and a mechanism for driving the diaphragm. The aromatic polycarbonate used for the diaphragm ... | 04/08/2003 |
| 6458858 | Biodegradable polyester material particles In a process for preparing expanded or expandable polymer beads based on biodegradable saturated polyesters made from at least one diol and from at least one dicarboxylic acid, A. polymer pellets are dispersed in a liquid, B. a volatile blowing agent is inject... | 10/01/2002 |
| 6414045 | One-component polyurethane compositions with improved curing A one-component polyurethane foam composition is described, which contains at least one prepolymer (isocyanate prepolymer), which has isocyanate groups, at least one blowing agent and known auxiliary and additive materials containing at least one ester, f... | 07/02/2002 |
| 6355699 | Process for manufacturing biomedical foams The present invention provides an improved lyophilization process for forming biocompatible foam structures. The process allows the foam structures to be tailored for specific end uses. The foams formed by this process are well suited to be used in medica... | 03/12/2002 |
| 6339109 | Method of pelletization of polymer A method of preparing cellular pellets from a prepolymer comprising a blowing agent, the method comprising the steps of: a) extruding the prepolymer through a die, the die maintained at conditions such that the blowing agent remains in the condensed phase in t... | 01/15/2002 |
| 6323251 | Thermoplastic/thermoset hybrid foams and methods for making same Foams comprising blends of thermoplastic and thermoset materials wherein the thermoset forms a discontinuous phase in a continuous thermoplastic phase are described. Foams comprising an uncured thermoset and unreacted radiation-activatable curing agent in... | 11/27/2001 |
| 6313185 | Polymers having backbones with reactive groups employed in crosslinking as precursors to nanoporous thin film structures Nanoporous materials are fabricated from polymers having backbones with reactive groups used in crosslinking. In one aspect of preferred methods and compositions, the reactive groups in the backbone comprise a diene and a dienophile. The diene may advanta... | 11/06/2001 |
| 6306921 | Foamed beads of polyester resin Foamed beads of polyester resin having rheological and crystallizability characteristics suitable for the preparation of foamed articles by sintering beads in a mold heated with superheated steam or with inert gas or air.... | 10/23/2001 |
| 6258924 | Biodegradable polymers, the preparation thereof, and the use thereof for producing biodegradable moldings Biodegradable polyether esters P1 obtainable by reacting a mixture essentially comprising: (a1) a mixture essentially comprising: 20-95 mol % of adipic acid or ester-forming derivatives thereof or mixtures thereof, 5-80 mol % of terephthalic acid or ester-form... | 07/10/2001 |
| 6214897 | Compositions of polycondensed branched polyester polymers and aromatic polycarbonates, and the closed cell polymer foams made therefrom A foamable polyester composition comprising a combination of blowing agent and mixed polymer composition comprising: a) a semi-crystalline polyester composition comprising a polycondensed branched polyester polymer, and b) an aromatic polycarbonate polymer. Th... | 04/10/2001 |
| 6201034 | Biodegradable polymers, the production thereof and the use thereof for producing biodegradable moldings Biodegradable polyesters P1 obtainable by reaction of a mixture consisting essentially of (a1) a mixture consisting essentially of from 35 to 95 mol % of adipic acid or ester-forming derivatives thereof or mixtures thereof, from 5 to 65 mol % of terephthalic a... | 03/13/2001 |
| 6187830 | Process for the preparation of foamed articles The present invention relates to a process for the preparation of a foamed article having a foam density of less than 180 kg/m3 and an average cell diameter of less than 1.5 mm comprising the extrusion of a molten semi-crystalline thermoplastic... | 02/13/2001 |