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| Number | Title | Issue Date |
| 5548934 | Firestop apparatus for allowing pipe movement A firestop apparatus that allows substantial longitudinal and radial movement of a pipe that extends through an opening in a partition. The firestop includes a thermal insulator assembly that surround the pipe, is positioned to slidably engage with a surf... | 08/27/1996 |
| 5523152 | Organic compounds suitable as reactive diluents, and binder precursor compositions including same Organic compounds having at least one ethylenically-unsaturated group are described, the organic compounds being suitable for use in coatable compositions as reactive diluents; compounds of the invention preferably have a divalent organic linking moiety d... | 06/04/1996 |
| 5522785 | Infinitely variable diameter roller A roller assembly for guiding webs and removing wrinkles includes an outer cylindrical surface that is supported on a shaft about which it can rotate. Portions of the outer diameter of the outer cylindrical surface can expand and contract radially using a... | 06/04/1996 |
| 5522725 | Method of enhancing the bond strength of an orthodontic appliance to a tooth Bond strengths of orthodontic appliances are enhanced by applying heat to heat softenable projections of a bonding base of the appliance, and then moving outer portions of the projections in lateral directions to present overhanging regions. The overhangi... | 06/04/1996 |
| 5015556 | Flexographic printing plate process Negative-acting flexographic printing plates display enhanced performance when backside irradiated with ionizing radiation instead of longer wavelength ultraviolet radiation. A better defined floor and more readily controlled floor is produced on the fina... | 05/14/1991 |
| 4871845 | Catalysts for the curing of a water-curable isocyanate-functional prepolymer New catalysts useful in the curing of a water-curable isocyanate-functional prepolymer are provided. The new catalyst is a new 2,2'-dimorpholinyldialkyl ether. The use of the improved catalyst provides prepolymer/catalyst premix compositions having equiva... | 10/03/1989 |
| 4871824 | Variably crosslinked polymeric supports Azlactone-functional polymer beads are useful reactive supports for the attachment of functional materials to provide novel adduct beads. The adduct beads are useful as complexing agents, catalysts, polymeric reagents, chromatographic supports, and as enz... | 10/03/1989 |
| 4871812 | Moldable medical adhesive A moldable, putty-like adhesive mass is disclosed comprising a blend of (1) an acrylate terpolymer adhesive containing a hydrophilic macromolecular moiety and (2) a reinforcing material which is a carbonylamido group containing polymer. The adhesive blend... | 10/03/1989 |
| 4871790 | Colloidal metals in monomers or polymers A polymeric composition of matter comprises a polymer having dispersed therein at least one of colloidal metal and metal oxide particles in the submicrometer size range, said composition being aqueous-free and free of aliphatic hydrocarbon polymers and th... | 10/03/1989 |
| 4871786 | Organic fluoride sources Organic fluoride sources comprising a tetrafluoroborate salt and capable of releasing fluoride ions into dentition in order to provide inhibition and/or prevention of dental caries are disclosed. A method of releasing fluoride ion into dental tissue is al... | 10/03/1989 |
| 4871671 | Immobilization of biological cells in polytetrafluoroethylene matrix Articles which are composite structure are prepared which comprise a fibrillated polytetrafluoroethylene (PTFE) matrix containing enmeshed and immobilized therein viable cells capable of their usual and continuous biochemical and biological performances. ... | 10/03/1989 |
| 4871623 | Sheet-member containing a plurality of elongated enclosed electrodeposited channels and method A sheet member and a method for constructing the sheet member. The sheet member includes a plurality of elongated, enclosed channels formed by electrodeposition.... | 10/03/1989 |
| 4871599 | Support helix for a radially expanded resilient sleeve A support helix for a radially expanded sleeve of resilient material which may be used as an enclosure of an elongate object such as an electrical cable, comprising a tubular base body having a constant wall thickness through which circumferentially space... | 10/03/1989 |
| 4871376 | Resin systems for coated products; and method Improved resin/filler compositions for use in forming coated abrasives having a substrate/bonding system/abrasive composite structure, are provided. Also, methods for making such improvements are described. In general, the improvements result from inclusi... | 10/03/1989 |
| 4871261 | Vacuum mixing apparatus for dental materials A mixing apparatus includes a capsule having two or more segments which nay be uncoupled or opened for adding additional ingredients to a pre-dosed ingredient just prior to the mixing operation. The capsule includes a port which is brought into registrati... | 10/03/1989 |
| 4869960 | Epoxy novolac coated ceramic particulate Ceramic particulate useful as a proppant in hydraulic fracturing and in gravel packing operations is provided which comprises a ceramic (sometimes vitreous) core surrounded by an epoxy resin coating. Novolac epoxy resin compounds without any substantial a... | 09/26/1989 |
| 4869373 | Gable-top container closure system A gable-top thermoplastic coated container with controllably enhanced sealing and opening characteristics includes at least one fillet attached to the panels which form the pouring spout. The fillet comprises a thin strip of stiff material coated with a l... | 09/26/1989 |
| 4869372 | Gable-top container A gable-top thermoplastic coated container with controllably enhanced sealing and opening characteristics includes at least one stiffening fillet attached to the panels which form the spout. The fillet comprises a thin strip constructed of unoriented poly... | 09/26/1989 |
| 4868507 | Microcomputer controlled resistance fault locator circuit A resistance fault locator circuit having a digitally controlled current split circuit, an error amplifier and a programmed microcomputer plus a switching means for establishing several modes of operation of the circuit for determining the distance to a f... | 09/19/1989 |
| 4868229 | Storage-stable polymerizable composition An extrudable epoxy resin and curing agent that polymerize when mixed are separated by an extrudable barrier layer disposed between and in contacting relationship with the epoxy resin and curing agent. The material of the barrier layer is insoluble in the... | 09/19/1989 |
| 4868032 | Durable melt-blown particle-loaded sheet material A permeable sheet material comprised of particle-loaded, melt-blown fiber web having a plurality of reinforcing fibers extending therethrough is provided. The reinforcing fibers are needled through the web of melt-blown fibers and are then bonded to fiber... | 09/19/1989 |
| 4868006 | Polymeric film with reduced surface friction Semicrystalline polymers can have predetermined amounts of their surfaces rendered amorphous or quasi-amorphous by irradiation. Further treatment of these polymer surfaces which have been so modified, such as crystallization, can produce surfaces with red... | 09/19/1989 |
| 4867937 | Process for producing high modulus film The invention provides a two-step process for increasing the modulus of a film in a desired direction, by drawing the film at between about 10° C. above Tg and 40° C. below Tm at a draw ratio of between 1.05 and 5.5 and then drawin... | 09/19/1989 |
| 4866388 | System and method with passive resonant circuit markers for locating buried electrical conductors A method and system for determining the location of a first insulated conductor and a plurality of similar branch conductors that are branches of the first conductor, but without ohmic contact being made with the first conductors. A passive marker having ... | 09/12/1989 |
| 4866118 | Fluorocarbon elastomer articles having improved amine resistance The amine resistance of peroxide-cured fluorocarbon elastomers is improved by dispersing certain normally solid, inorganic chloride or bromide salts in the elastomer gum formulation.... | 09/12/1989 |
| 4865954 | Process for formation of metallic relief The present invention provides a method for forming a metal image in which a resist film is provided at an image portion and then etching processing is performed to thereby form the metal image comprising the steps of: (1) forming an image comprised of co... | 09/12/1989 |
| 4865854 | Microwave food package A package of food containing a substantial amount of water and solidified grease that can be cooked within the package in a microwave oven. A pad adjacent the food comprises microwave radiation transparent generally hydrophobic liquid grease adsorbing mat... | 09/12/1989 |
| 4865818 | Catalytic converter for automotive exhaust system Catalytic converters for automotive exhaust systems wherein thin, resilient, flexible, intumescent sheet materials are utilized as mounting mats for catalytic monoliths are disclosed. Multiple wraps of such sheet materials have been found particularly use... | 09/12/1989 |
| 4865779 | Lens molding apparatus and method A mold and method is disclosed for the production of a lens that can be placed in or on the eye. The mold employs an inflexible ridge, preferably having a triangular cross section, on one of the mold parts. The ridge contacts the other mold part along an ... | 09/12/1989 |
| 4865562 | Overmolded electrical contact for the manufacture of connectors Closely spaced electrical contacts are increasingly difficult to place in the manufacture of connectors and a strip molded onto stamped contact elements provide locating and alignment of the contact elements to make the same easily located in molded housi... | 09/12/1989 |
| 4863983 | Extrudable thermoplastic hydrocarbon polymer composition An extrudable composition comprising hydrocarbon polymer, organophosphite or organophosphate compound and fluorocarbon polymer. The organophosphite or organophosphate and the fluorocarbon polymer are present in the composition in such relative proportions... | 09/05/1989 |
| 4863801 | Surface treatment of pet film Antistatic protection can be provided to a substrate by providing two coatings or layers to the substrate. The first layer is a blend of two different polymers or copolymers that crosslink within the coating and the second layer is a subbing layer. This c... | 09/05/1989 |
| 4863441 | Venous return catheter A kink-resistant, dual-drainage, venous return catheter preferably completely comprised of a polyvinyl chloride material and molded in a conventional injection molding process. This catheter comprises a smaller portion dimensioned to be received in a vena... | 09/05/1989 |
| 4863088 | Surgical stapling instrument A stapling instrument including two elongate structural members each comprising a handle part with a jaw part projecting from a first end. The structural members have pivot means at second ends of their handle parts adapted for free engagement and disenga... | 09/05/1989 |
| 4861697 | Recording medium for optical data storage An optical data storage element in which information can be recorded and read directly afterwards by means of laser light comprising, as a recording medium a dye dissolved or dispersed in a binder in which at least 25% by weight of the binder comprises a ... | 08/29/1989 |
| 4860888 | Shipping and handling container for two part composition A shipping carton for containers having gabletops, wherein it is desired to maintain the containers in pairs, is provided with areas which receive the containers in pairs and support members are provided to support the gable tops from one side of the cart... | 08/29/1989 |
| 4860740 | Powder inhalation device A device facilitating the inhalation of powdered medicaments from within a container. The device comprises a body having walls partially defining a chamber, an inlet port into the chamber for the entry of air, and a mouthpiece having a central through ope... | 08/29/1989 |
| 4859719 | Polymer blends with high water absorption Miscible blends of slid, non-crosslinked polymers are disclosed. The blends comprise from 2 to 95 parts by weight of a water-insoluble, hydrophobic polymer and, correspondingly from 98 to 5 parts by weight of a hydrophilic polymer. The blends are capable ... | 08/22/1989 |
| 4859189 | Multipurpose socket A test socket for testing chips and chips on tape wherein the test socket is formed on a heat resistant dielectric film having contact pads and connector pads joined by metallic circuit traces and which film is wrapped on a compliant pad. The connector en... | 08/22/1989 |
| 4857891 | Random-filament, multi-directionally responsive marker for use in electronic article surveillance systems A magnetic marker for use with electronic article surveillance (EAS) systems in which a two-directional response is obtained. The marker comprises a substantially two-dimensional, sheet-like substrate having multiple metallic filaments randomly dispersed ... | 08/15/1989 |
