Did You Know...
...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7435778 | Ethylene-alkyl acrylate copolymer rubber composition An ethylene-alkyl acrylate copolymer rubber composition, which comprises 100 parts by weight of ethylene-alkyl acrylate copolymer rubber having an amine vulcanizable group, 0-60 parts by weight of EPDM, 5-40 parts by weight of a plasticizer, 0.5-4 parts by weight of... | 10/14/2008 |
| 7402641 | Terpolymer compositions for coating substrates used in computer printers Terpolymer compositions of vinyl caprolactam (VCL), dimethylaminopropyl methacrylamide (DMAPMA) and hydroxyethyl methacrylate (HEMA) are described to coat substrates for use in computer printers, and provide advantageous print quality thereon. ... | 07/22/2008 |
| 7393900 | Fluid and heat resistant chlorinated polyethylenes (CPE) A chlorinated rubber composition which is resistant to various fluids such as transmission fluids comprises a blend of a chlorinated polyethylene elastomer, an ethylene acrylic elastomer and/or polyacrylic rubbers, and optionally a chlorosulfonated polyethylene. The... | 07/01/2008 |
| 7297743 | Curable composition The object of the present invention is to significantly improve weather resistance over a long period of time of the cured product of the invention, while maintaining physical properties, such as tensile properties and rubber-like elasticity, at levels required of s... | 11/20/2007 |
| 7279234 | Methods for identity verification using transparent luminescent polymers Disclosed are methods of using a transparent, luminescent polymer for transparent marking and/or labeling for identity verification purposes. Also disclosed are sheets, films, markers, labels and taggants comprising transparent, luminescent polymers. Also disclosed ... | 10/09/2007 |
| 7270928 | Isocyanate composition, microcapsule and production method thereof, and recording material The present invention provides an isocyanate composition including an adduct of a multifunctional isocyanate compound having two or more isocyanate groups in the molecule thereof with a polymer obtained by radically polymerizing in the presence of a chain transfer a... | 09/18/2007 |
| 7264249 | Seal A hub unit including a hub and a flange integrally formed with the hub, and a seal including a core metal and an elastic body integrally molded with the core metal. The elastic body includes one or more lips in sliding contact with one or both of the hub and the fla... | 09/04/2007 |
| 7265160 | Crosslinked biodegradable resin continuous foamed sheet and method for production thereof The foam sheet of the present invention is biodegradable, can be recycled, has good processability, is lightweight, exhibits excellent appearance, has practically satisfactory heat resistance and is more acceptable to the environment. There is provided a cros... | 09/04/2007 |
| 7261843 | Photochromic optical article Describes a photochromic article, e.g., an ophthalmic photochromic plastic article, such as a lens, in which the article includes (1) a rigid substrate, e.g., a transparent substrate such as a glass or organic polymeric substrate, as for example, a thermoset or ther... | 08/28/2007 |
| 7192620 | Mold-release coating systems A mold-release coating system includes a barrier coating of a substantially liquid wax material. The wax material is deposited onto the mold surface. The wax material includes about 7 to about 10 weight percent solids. The wax material is permitted to substantially ... | 03/20/2007 |
| 7179863 | Use of a film based PVDF, PMMA or a blend thereof for covering articles made of a thermoset The present invention relates to the use of films, formed from an adhesive layer and a layer (A), for coating articles made of a thermoset, the adhesive layer comprising, by weiqht: 0 to 60 parts of PVDE, 10 to 100 parts of functionalized PMMA, 0 to 50 parts of an a... | 02/20/2007 |
| 7063181 | Fluid-borne noise suppression in an automotive power steering system A method of dampening fluid-borne noise in an automotive power steering system in accordance with a presently preferred embodiment of the invention contemplates provision of a power steering fluid hose having a laminated inner tube surrounded by a reinforcing outer ... | 06/20/2006 |
| 6998442 | Organic anti-reflective coating polymers, anti-reflective coating composition comprising the same and preparation methods thereof An organic anti-reflective polymer which prevents back reflection of lower film layers and eliminates standing wave that is occurred by a thickness change of photoresist and light, in a process for fabricating ultrafine patterns that use photoresist for lithography ... | 02/14/2006 |
| 6951899 | Blend compositions of hard and soft crosslinkable acrylate copolymers To provide a method for producing a blend composition of an acrylic type polymer having an excellent mechanical characteristic as well as a low temperature characteristic, and to provide a blend composition of an acrylic type polymer, and also to provide a blend com... | 10/04/2005 |
| 6924338 | Zwitterionic polymer blend materials A polymer blend for use in a biomedical application comprising: (A) a polymer A, bearing zwitterionic pendant groups; and (B) a hydrophobic addition polymer B, selected from the group consisting silyl(alk)acrylates, alkyl(alk)acrylamides, dialkyl(alk)acrylamides, an... | 08/02/2005 |
| 6908505 | Thermochromic compositions of color formers and lewis acids Thermochromic compositions that include combinations of at least one color former and at least one Lewis acid in a polymer mixture are disclosed. The thermochromic compositions reversibly change appearance from substantially transparent to substantially non-transpar... | 06/21/2005 |
| 6893731 | Water-based coating composition This invention provides a water-based composition suitable for use on polyester-based substrates for increasing adhesion between the substrate and a topcoat or overcoat. The composition comprises: (1) a latex polymer formed from the polymerization of at least one mo... | 05/17/2005 |
| 6887942 | Low softening temperature thermal conductive adhesive composition A low softening temperature thermal conductive adhesive composition is made from a blend of liquid NBR in molecular weight of 300˜100,000 and ethylene vinyl acetate (EVA) to have a softening point of 38˜65° C. With proper addition of sub-micron or nano powder the... | 05/03/2005 |
| 6881767 | Flon-resistant rubber modified polystryrene composition A rubber modified polystyrene composition comprising polybutadiene particles dispersed in polystyrene, wherein the polybutadiene particles have an average volume particle diameter of 6 to 13 microns, and the composition has a gel content of 25 to 35% by weight and a... | 04/19/2005 |
| 6858295 | Pressure sensitive adhesive comprising vinylpyrrolidone A pressure sensitive adhesive comprising a mixture of: a radiation-crosslinkable polymer A) composed of at least 40% by weight of C1 to C18 alkyl (meth)acrylates, and a polymer B) composed of at least 20% by w... | 02/22/2005 |
| 6858676 | Olefin derived copolymer The present invention relates to an olefin derived copolymer and a thermoplastic resin composition using the olefin derived copolymer satisfying the following (1) and (2): (1) tensile strength at break measured based on JIS K6251 is 2.0 or less MPa; and (2) tensile ... | 02/22/2005 |
| 6846429 | Transparent paramagnetic polymer This invention provides a transparent, paramagnetic polymer composition in which a polymer is completed with sufficient rare earth ions, particularly ions selected from ions in the group of elements 64-69, to provide a polymer with a magnetic mass susceptibility gre... | 01/25/2005 |
| 6833410 | Method of rotational molding using a resin blend and the resulting molded objects A method for making rotationally molded objects using resin blends. The resin blend comprises resin pellets and an amount of ground resin powder sufficient to yield rotomolded objects having desirable impact strength and other strength characteristics. Preferably, t... | 12/21/2004 |
| 6831131 | Composition based on polypropylene on an ethylene/alkyl acrylate copolymer The invention relates to a composition based on polypropylene homopolymer or copolymer and on an impact modifier comprising an ethylene/alkyl acrylate copolymer. This composition comprises substantially between 1 and 40% by weight of impact modifier and it may compr... | 12/14/2004 |
| 6784249 | Rubbery polymer There is a need for polymers that offer a high level of heat and ultraviolet light resistance. It is particularly critical for polymers that are utilized in making skin compounds for automotive instrument and door panels to display excellent heat and ultraviolet lig... | 08/31/2004 |
| 6759481 | Shape memory styrene copolymer A shape memory polymer which is a reaction product of styrene, a vinyl compound, a multifunctional crosslinking agent and an initiator. The shape memory polymer has particular application as a contact lens mold. ... | 07/06/2004 |
| 6737214 | Chemical amplification resist compositions A chemical amplification positive resist composition comprising a polymeric mixture of a polyhydroxystyrene derivative having a Mw of 1000-500,000 and a copolymer of hydroxystyrene and (meth)acrylate having a Mw of 1000-500,000, as a base resin, has improved dry etc... | 05/18/2004 |
| 6699934 | Resin composition and film thereof There is provided a resin composition comprising; (A) from 1 to 99% by weight of a copolymer, which comprises an ethylene unit and an -olefin unit of 3 to 12 carbon atoms, and satisfies the specific requirements (A-1) to (A-4), and (B) from 99 t... | 03/02/2004 |
| 6669953 | Block copolymer Cross-linked block copolymers are disclosed which have drug retention properties, comprising hard and soft segments, with cross-linking between the soft segments. The block copolymers can be based upon (meth)acrylic monomers, and some possess adhesive pro... | 12/30/2003 |
| 6657010 | Oil-resistant rubber modified polystyrene composition An oil resistant rubber modified polystyrene composition comprises polybutadiene rubber particles having an average volume particle diameter of 6 to 13 μm dispersed in polystyrene. The oil resistant rubber modified polystyrene of the present invention ha... | 12/02/2003 |
| 6646045 | Thermoplastic molding compositions Thermoplastic molding compositions containing graft polymers produced with different initiator systems are disclosed. The compositions are distinguished by a combination of good toughness and reduced opacity. As a result, appreciably smaller quantities of... | 11/11/2003 |
| 6632887 | Coating compositions and methods for reducing edge glare in implantable ophthalmic lenses Hydrophilic coatings for implantable ophthalmic lenses are disclosed. The coatings, which are applied to the edge surface of the ophthalmic lens, comprise a hydrophobic (meth)acrylic polymer and a hydrophilic polymer. When hydrated, the coatings reduce or... | 10/14/2003 |
| 6586521 | Aqueous dispersions containing a mixture of copolymers and their use in binders Aqueous solutions or dispersions of copolymers A) a process of making them and their use in binder compositions. Copolymers A) containing a hydroxy-functional, hydrophobic copolymer I) containing 30 to 85% by weight of (meth)acrylic acid esters having C | 07/01/2003 |
| 6541571 | Compatibilizer for polymer blends A process for compatibilizing at least two mutually incompatible polymers, and a blended resins thereof, wherein said process comprises: (i) adding to at least one of the polymers an effective amount of a compatibilizing dispersant, wherein said dispersant is ... | 04/01/2003 |
| 6525139 | Golf ball A golf ball having a core and a cover enclosing the core. The cover has one or more layers. At least one of the cover layers is composed mainly of a rubber-modified thermoplastic resin composition consisting essentially of a base resin in the form of an i... | 02/25/2003 |
| 6512053 | Emulsion styrene-butadiene rubber This invention discloses an emulsion styrene-butadiene rubber (SBR) that can be employed in manufacturing tire tread formulations that have rolling resistance and treadwear characteristics that are similar to those made with solution SBR but with improved... | 01/28/2003 |
| 6476137 | Ternary polymer blend, the film containing it, and the easy-to-open package made therewith Object of the present invention is an extrudable blend comprising (i) a copolymer of ethylene and acrylic acid or methacrylic acid (ii) a modified EVA copolymer and (iii) a polybutylene. Included are the films comprising said blend in the sealant layer or... | 11/05/2002 |
| 6462124 | Water-dilutable coating of oh-acrlylate or polyesterurethane resin and blocked acid catalyst A base-neutralized, water-diluted coating comprises (A) a polyhydroxyl-functional resin of an acrylate resin or an oil-free polyester containing urethane groups, (B) an amino resin partially etherified with an alcohol, (C) a basic neutralizing agent, (D) ... | 10/08/2002 |
| 6444729 | Process for preparing pulverulent polymers by drying aqueous polymer dispersions The invention provides: for a process for preparing pulverulent polymers by drying aqueous polymer dispersions in the presence of copolymers based on ethylenically unsaturated C3 -C6 carboxylic acids and their hydroxyalkyl esters as ... | 09/03/2002 |
| 6444305 | Contact printable adhesive composition and methods of making thereof A contact printable adhesive composition comprises (a) swellable, elastomeric microspheres and (b) at least one polymerizable monomer or a mixture of polymerizable monomers capable of swelling the microspheres. As used in this application "contact printab... | 09/03/2002 |
