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| Number | Title | Issue Date |
| D511187 | License plate having security shape | 11/01/2005 |
| 6906145 | Bonding of a fluoropolymer layer to a substrate The present invention comprises a substrate having a fluoropolymer on at least one of its surfaces wherein one of the substrates or the fluoropolymer comprises a hydride function MH wherein M is Si, Ge, Sn or Pb. The invention further comprises articles comprising t... | 06/14/2005 |
| 6870489 | Vehicle sensing system A reusable mechanical fastening means for a vehicle monitoring system facilitates maintenance and repair of the system. A plurality of carrier sections are connected together by clips. The clips have release tabs to move prongs against a spring force, thereby making... | 03/22/2005 |
| 6833403 | Aqueous dispersions of fluoropolymers Fluorine-containing emulsifiers can be removed from fluoropolymer dispersions by adding to the dispersion a nonionic emulsifier, removing the fluorine-containing emulsifier by contact with an anion exchanger and separating the dispersion from the anion exchanger. Th... | 12/21/2004 |
| 6833043 | Elastomer compositions for bonding to fluoropolymers A method for increasing the adhesion of a first layer comprising a fluoropolymer substantially free of interpolymerized units derived from vinylidene fluoride to a second layer comprising a curable elastomer is described. The method comprises adding a dehydrofluorin... | 12/21/2004 |
| 6780481 | Melt processable thermoplastic polymer composition A melt processable polymer composition that comprises a thermoplastic non-aliphatic host polymer and a minor but effective amount of a fluoropolymer processing aid, and a method of improving the melt processability of the host polymer are provided. ... | 08/24/2004 |
| 6773755 | Process for preparing a multi-layer article having a fluoroplastic layer and an elastomer layer A method for enhancing the bond strength between a VDF-containing fluoroplastic layer and an elastomer layer of a multi-layer article. A VDF-containing fluoroplastic composition is applied to the surface of a precursor article that includes a curable elastomer layer... | 08/10/2004 |
| 6753087 | Fluoropolymer bonding A multi-layer structure includes a fluoropolymer bonded to a substrate. The structure is prepared by heating a bonding composition to form the bond. The bonding composition includes an amino-substituted organosilane. The bonding composition includes non-adhesive mat... | 06/22/2004 |
| 6750304 | Aqueous emulsion polymerization in the presence of ethers as chain transfer agents to produce fluoropolymers The present invention provides a method of making a fluoropolymer comprising repeating units derived from one or more gaseous fluorinated monomers. The method comprises an aqueous emulsion polymerization of gaseous fluorinated monomers in the presence of an ether se... | 06/15/2004 |
| 6734252 | Melt processable thermoplastic polymer composition employing a polymer processing additive containing a fluorothermoplastic copolymer A polymer processing aid composition, a melt processable thermoplastic hydrocarbon polymer composition that uses the polymer processing aid, and a method of improving the melt processability of a thermoplastic hydrocarbon polymer are provided. The polymer processing... | 05/11/2004 |
| 6720360 | Ultra-clean fluoropolymers High purity fluoropolymers are obtained by the emulsion polymerization process, removing essentially all ions and coagulating the polymer essentially without adding ions. These polymers are useful in the field of electronic devices. ... | 04/13/2004 |
| 6713141 | Mixtures of thermoplastic fluoropolymers A low-molecular-weight copolymer of tetrafluoroethylene with units of perfluoro alkyl vinyl ethers having a melt index of ≧30 suitable as a mixing component with a higher-molecular-weight copolymer of the same monomers for producing moldings in injection molding o... | 03/30/2004 |
| 6706193 | Method for recovering fluorinated emulsifiers from aqueous phases Fluorinated emulsifiers can be recovered from an aqueous phase containing small amounts of fluoropolymer particles by treating the aqueous phase with a small amount of a nonionic surface-active agent, bringing the aqueous phase adjusted in this way into contact with... | 03/16/2004 |
| 6683255 | Extruded polytetrafluoroethylene foam The preparation, processing and use of foamed polytetrafluoroethylene is described. Extrusion of polytetrafluoroethylene with a foaming agent gives a product which can be used in the electrical industry, in the chemical industry or in chemical or plant en... | 01/27/2004 |
| 6677922 | Display element having retroreflective surface A pixel for use in a visual matrix display including a frame having front and rear surfaces and defining an aperture; a light source oriented in the aperture; a first retroreflective surface borne by the frame and positioned adjacent to the aperture; a fl... | 01/13/2004 |
| 6656571 | Cube corner cavity based retroreflectors and methods for making same Retroreflective sheeting includes a body layer having a structured surface with recessed faces and top surfaces, the recessed faces forming cube corner cavities. The recessed faces have a high specular reflectivity, while the top surfaces have a low specu... | 12/02/2003 |
| 6657013 | Imidate-containing fluoropolymer compositions A composition that includes a fluoropolymer comprising interpolymerized units derived from a cure site monomer comprising a nitrile group; and (b) a catalyst composition comprising a compound having the formula R1 C(OR2).dbd.NH, and ... | 12/02/2003 |
| 6656307 | Method of making signs having metalized cube corner sheeting A method of manufacturing retroreflective signs includes: coextruding a rigid substrate layer and an adhesive layer, the rigid substrate layer being suitable for use as a sign board; providing a cube corner sheeting having a structured surface including a... | 12/02/2003 |
| 6645331 | Prefabricated retroreflective sign A retroreflective sign includes a rigid sign board and a retroreflective sheeting having a structured surface. The structured surface has cube corner elements formed therein, and is bonded to a surface of the sign board to define a plurality of cells. The... | 11/11/2003 |
| 6632522 | Blended pressure-sensitive adhesives A pressure-sensitive adhesive comprising a blend of at least two components, wherein the first component is at least one pressure-sensitive adhesive and second component is at least one thermoplastic material, wherein the components form a blended composi... | 10/14/2003 |
| 6610807 | Fluoropolymers with improved characteristics A fluoropolymer composition is provided. The polymer comprises interpolymerized units derived from (i) tetrafluoroethylene, (ii) vinylidene fluoride, (iii) at least one ethylenically unsaturated monomer of the formula CF2.dbd.CFR.sub.f where R | 08/26/2003 |
| 6566868 | Distance detection system A detection system determines the position of an object moving along a first direction. The system includes a magnetic field source generating a magnetic field signal and a magnetic field detection system coupled to the object. The detection system includ... | 05/20/2003 |
| 6557279 | Variable image-displaying member A variable image-display having an opaque substrate having a front surface which is observed by an observer, and a back surface opposing the front surface, and a plurality of pixel elements which are arranged on the front surface of the substrate in rows ... | 05/06/2003 |
| 6551014 | Raised pavement marker with improved lens The present disclosure relates to improved raised pavement markers having a totally-internal-reflective lens. The disclosure also relates to methods of manufacturing the raised pavement marker. The raised pavement markers described below include a housing... | 04/22/2003 |
| 6540367 | Structured surface articles containing geometric structures with compound faces and methods for making same A process for making molds for retroreflective sheeting and like articles includes making a substrate having a structured surface of geometric structures such as cube corner elements. The structured surface is in one embodiment partially replicated from a... | 04/01/2003 |
| 6517923 | Reflective article and method for manufacturing the same A reflective article includes: a substrate sheet, and a retroreflective sheet covering a surface of said substrate sheet. The reflective article is provided with substantially flat base portions and a plurality of protrusions being partitioned off by the ... | 02/11/2003 |
| 6511259 | Particle dispenser with fluid assist to control particle velocity for use on a moving vehicle When mounted to a vehicle, a dispenser ejects optical elements so that they have a component of movement that is parallel with the surface of the pavement to which the optical elements are to be applied. Preferably, the component of movement in that direc... | 01/28/2003 |
| 6508559 | Conformable cube corner retroreflective sheeting Conformable cube corner retroreflective sheetings comprising a plurality of discrete cube corner segments which are conformably bonded together, each cube corner segment comprising a plastic body portion having a substantially planar front major surface a... | 01/21/2003 |
| 6479132 | Pavement marking articles having enhanced retroreflectivity under dry or wet conditions and method for making same The articles of the present invention comprise pavement marking articles which are retroreflective under dry and/or wet conditions. The articles comprise a monolayer of exposed-lens optical elements, a spacing layer, and a reflective layer. The present in... | 11/12/2002 |
| 6451914 | Emulsion polytetrafluoroethylene micropowder additive for fiber-forming plastics Compositions, consisting essentially of a melt-spinnable polymer component and minor amounts of an emulsion polytetrafluoroethylene micropowder having a melting point sufficiently far above the processing temperature of the polymer component for the micro... | 09/17/2002 |
| 6447916 | Multilayer composites A composite article comprising a fluoropolymer directly bonded to a silicone-containing polymer is provided. The fluoropolymer is capable of providing a reactive site either through dehydrofluorination or by incorporating a reactive monomer in the fluorop... | 09/10/2002 |
| 6407669 | RFID tag device and method of manufacturing Folded radio frequency identification tag devices and methods for high-volume, low-cost production are disclosed. The folded construction of the devices and methods of the present invention can reduce the complexity of the RFID tags by providing a one-sid... | 06/18/2002 |
| 6380313 | Polymer processing additive containing a perfluorovinylether-modified flouropolymer and a melt processable thermoplastic polymer composition employing the same A polymer processing aid composition, a melt processable polymer composition that uses the polymer processing aid, and a method of improving the melt processability of a thermoplastic polymer are provided. The polymer processing aid composition comprises ... | 04/30/2002 |
| 6294627 | Low temperature fluorocarbon elastomers A fluorocarbon polymer which includes: repeating units derived from one or more perfluorinated ethers of the formula CF2.dbd.CFO--(CF2)m --(O(CF2)p)n --ORf1 wherein R | 09/25/2001 |
| 6270901 | Compositions for bonding fluoroplastics A method for increasing the adhesion of a first layer comprising a vinylidene fluoride containing fluoropolymer to a second layer comprising a curable elastomer is described. The method comprises adding a dehydrofluorinating composition to the curable ela... | 08/07/2001 |
| 6255535 | Fluorine containing allylethers and higher homologs The present invention describes a novel process for the preparation of perfluoro allyl ethers. The process involves providing a hydrogen-containing precursor comprising at least one 1,2-dichloro alkyl ether moiety, fluorinating the precursor to provide a ... | 07/03/2001 |
| 6245923 | Recovery of highly fluorinated carboxylic acids from the gaseous phase The process for the recovery of highly fluorinated carboxylic acids from off-gas streams, in which the off-gas is brought into contact with an alkaline washing solution of density >1.15 g/cm3 so that the salt of the highly fluorinated carboxyli... | 06/12/2001 |
| 6242548 | Fluoroplastic polymers with improved characteristics A multimodal fluoroplastic terpolymer composition is provided. The terpolymer can be extruded at high extrusion speeds without having to reduce its molecular weight. The terpolymer is useful by itself; in combination with conductive fillers to provide an ... | 06/05/2001 |
| 6117508 | Composite articles including a fluoropolymer blend A composite article is provided which includes a blend component comprising a vinylidene fluoride containing fluoropolymer and a substantially non-vinylidene fluoride containing fluoropolymer, and a component including a substantially non-fluorinated poly... | 09/12/2000 |
| 6099774 | Process for non-free flowable molding powders of modified polytetrafluoroethylenes Non-free flowable, non-dusting molding powders with a bulk density of more than 450 g/l are obtained when a suspension polymer of tetrafluoroethylene with a content of 0.01 to 1% by weight of units of at least one perfluoro(alkyl-vinyl) ether is ground to... | 08/08/2000 |
