Patents Examined by Timothy J. Kugel
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Patent number: RE47920Abstract: A support material toner particle for use in xerographic additive manufacturing includes a PVA polymer blend including a polyvinyl alcohol (PVA) polymer and blend-additives including a chitosan and a polyvinylpyrrolidone (PVP), the amount of blend-additives is selected to adjust the Tg of the PVA polymer blend to be within about 1° C. to about 20° C. of a desired build material toner Tg. A xerographic toner system includes a build toner material and a support toner material, the support toner material includes a PVA polymer blend including a polyvinyl alcohol (PVA) polymer and blend-additives including a chitosan and a polyvinylpyrrolidone (PVP), the amount of blend-additives is selected to adjust the Tg of the PVA polymer blend to be within about 1° C. to about 20° C. of the build material toner Tg. A method of making a support toner material includes blending polyvinyl alcohol with blend additives including a chitosan and polyvinylpyrrolidone and forming support toner particles after the blending step.Type: GrantFiled: October 23, 2018Date of Patent: March 31, 2020Assignee: XEROX CORPORATIONInventors: Varun Sambhy, John S. Facci, Eliud Robles-Flores, David S. Derleth, David C. Craig
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Patent number: RE48050Abstract: Z-filter media pack arrangements and methods for providing them are described. The preferred arrangements have a cured-in-place jacket around an outside of a coiled z-filter media combination. The preferred cured-in-place jacket is a mold-in-place overmold which includes, integral therein, a housing seal arrangement. Preferably a cured-in-place center core is used, most preferably one that has opposite concave ends with seal arrangements configured to seal a lead end portion of the coiled z-filter media combination.Type: GrantFiled: February 5, 2018Date of Patent: June 16, 2020Assignee: Donaldson Company, Inc.Inventors: Kevin Schrage, Eugene Lensing, Jeff Rahlf, Wayne Bishop, Gregory Reichter, Benny Nelson, Rodger Spears, Bruce Crenshaw, Vladimir Kladnitsky
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Patent number: RE48141Abstract: Disclosed are a transparent polyamide-imide resin and a film using the same, which can be colorless and transparent, can show excellent thermal stability and mechanical properties, and can have low birefringence, making it possible to serve in various fields including a semiconductor insulator, a TFT-LCD insulator, a passivation layer, a liquid crystal alignment layer, materials for optical communication, a protective film for a solar cell, a flexible display substrate and the like.Type: GrantFiled: October 5, 2018Date of Patent: August 4, 2020Assignee: KOLON INDUSTRIES, INC.Inventors: Chul Ha Ju, Hyo Jun Park, Hak Gee Jung
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Patent number: RE48174Abstract: Apparatus and associated methods relate to a cinch for securing a train of nested shopping carts, the cinch having a non-abrasive cart-handle coupler for securely attaching the cinch to a shopping-cart handle of a front and/or rear cart of the train. In an illustrative example, the non-abrasive cart-handle coupler may include a soft loop of braid configured to latchedly circumscribe the shopping-cart handle. In an exemplary embodiment, the non-abrasive cart-handle coupler may include a latching hook having a non-abrasive handle-engagement surface. In some embodiments, the cinch may secure both a front and a rear cart of the train of nested shopping carts. In some embodiments, a ratcheting member may be used to tighten the cinch that secures the train of nested carts. When tightened, the train of carts may bow upwardly, elevating wheels attached to carts at both the front and rear ends of the train.Type: GrantFiled: May 16, 2018Date of Patent: August 25, 2020Inventor: Justin Grimes
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Patent number: RE48183Abstract: Provided is a pharmaceutical preparation for treatment or prevention of glaucoma or ocular hypertension, comprising 0.0003 to 0.01% (w/v) of isopropyl (6-{[4-(pyrazol-1-yl)benzyl] (pyridin-3-ylsulfonyl)aminomethyl}pyridin-2-ylamino) acetate, or a salt thereof. The pharmaceutical preparation has an excellent intraocular pressure lowering effect and may be used as a therapeutic or preventive agent for glaucoma or ocular hypertension or an intraocular pressure lowering agent.Type: GrantFiled: August 28, 2018Date of Patent: September 1, 2020Assignee: SANTEN PHARMACEUTICAL CO., LTD.Inventors: Naveed Shams, Henk-Andre Kroon, Hisashi Kawata, Noriko Kawabata
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Patent number: RE48226Abstract: The invention is directed to isomeric mixtures of cyclosporine analogues that are structurally similar to cyclosporine A. The mixtures possess enhanced efficacy and reduced toxicity over the individual isomers and over naturally occurring and other presently known cyclosporines and cyclosporine derivatives. Embodiments of the present invention are directed toward cis and trans-isomers of cyclosporin A analogs referred to as ISATX247, and derivatives thereof. Mixtures of ISATX247 isomers exhibit a combination of enhanced potency and reduced toxicity over the naturally occurring and presently known cyclosporins. ISATX247 isomers and alkylated, arylated, and deuterated derivatives are synthesized by stereoselective pathways where the particular conditions of a reaction determine the degree of stereoselectivity. The ratio of isomers in a mixture may range from about 10 to 90 percent by weight of the (E)-isomer to about 90 to 10 percent by weight of the (Z)-isomer, based on the total weight of the mixture.Type: GrantFiled: June 30, 2014Date of Patent: September 29, 2020Assignee: Aurinia Pharmaceuticals Inc.Inventors: Selvaraj A. Naicker, Randall W Yatscoff, Robert T Foster
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Patent number: RE48253Abstract: Methods are provided for using methotrexate (MTX) active agents in which reduced host toxicity is observed. Aspects of the methods include administering to a subject an effective amount of an MTX active agent in conjunction with a MTX toxicity-reducing adjuvant, such as a 2,2?-anhydropyrimidine, a derivative thereof or a uridine phosphorylase inhibitor. Also provided are compositions and kits that find use in practicing embodiments of the invention. The methods and compositions find use in a variety of applications, including the treatment of a variety of different disease conditions.Type: GrantFiled: June 29, 2018Date of Patent: October 13, 2020Assignee: Tosk, Inc.Inventors: William A. Garland, Brian D. Frenzel, Travis Karg
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Patent number: RE48293Abstract: A system for the production of ammonium sulfate granules including a pipe cross reactor (PCR) configured to contact concentrated sulfuric acid with anhydrous ammonia to produce a PCR product comprising ammonium sulfate; and a granulator fluidly connected to the PCR, whereby PCR product extracted from the PCR can be introduced into the granulator, an inlet for ammonium sulfate seed material, an ammonia sparger configured to spray liquid anhydrous ammonia onto a bed of ammonium sulfate granules within the granulator, and a granulator product outlet configured for extraction of granulator product comprising ammonium sulfate granules from the granulator. A method of producing ammonium sulfate granules is also provided.Type: GrantFiled: November 21, 2018Date of Patent: November 3, 2020Assignee: PCI NITROGEN, LLCInventors: Praveen Jain, Santiago Gomez, Mark D. Ibsen
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Patent number: RE48464Abstract: In one embodiment, the invention relates to processes for producing acesulfame potassium. In one embodiment, the process comprises the step of reacting a first reaction mixture to form an amidosulfamic acid salt such as a trialkyl ammonium amidosulfamic acid salt. The first reaction mixture comprises sulfamic acid, an amine, and smaller amounts, if any, acetic acid, e.g., less than 1 wt % (10000 wppm). In terms of ranges, the first reaction mixture may comprise from 1 wppm to 1 wt % acetic acid. The process further comprises the step of reacting the amidosulfamic acid salt with diketene to form an acetoacetamide salt. In preferred embodiments, the amidosulfamic acid salt formation reaction is conducted at pH levels from 5.5 to 7.0. The process further comprises the step of deriving the acesulfame-K from the acetoacetamide salt.Type: GrantFiled: February 13, 2017Date of Patent: March 16, 2021Assignee: Celanese Sales Germany GmbHInventors: Michael J. Bayer, Stephan Brietzke, Peter Groer, Christoph Mollenkopf
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Patent number: RE48703Abstract: The present invention relates to the use of additives in processes to form polymeric fibers. These fibers can be formed into membranes with improved middle and/or higher molecular weight solute removal.Type: GrantFiled: December 27, 2018Date of Patent: August 24, 2021Assignee: FRESENIUS MEDICAL CARE HOLDINGS, INC.Inventors: Cheryl Ford, Jiunn Teo, Leslie Schmidt
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Patent number: RE48818Abstract: The invention relates to a hot-melt adhesive substance for sticking together fibrous materials such as matted nonwovens or woven textiles with smooth substrate surfaces, such as plastic or metal films, and for laminating said materials. Said substance is characterized in that it contains at least one polyolefin which has been produced by polymerization in the presence of metallocene as a catalyst and has a ring/ball softening point of between 50 and 165° C. and a melting viscosity, measured at a temperature of 170° C., of between 20 and 40,000 mPa-s. The hot-melt adhesive substance can also contain at least one adhesive component and is used in a quantity of between 3 and 6 g/m2, preferably between 4 and 5.5 g/m2, for sticking a film to a nonwoven material during the production of hygiene items such as disposable nappies, baby nappies, incontinence products, panty liners and/or sanitary towels.Type: GrantFiled: December 31, 2018Date of Patent: November 16, 2021Assignee: Clariant International LtdInventors: Sebastian Bach, Gerd Hohner
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Patent number: RE48853Abstract: A method for the formation of lithium includes a layer on a substrate using an atomic layer deposition method. The method includes the sequential pulsing of a lithium precursor through a reaction chamber for deposition upon a substrate. Using further oxidizing pulses and or other metal containing precursor pulses, an electrolyte suitable for use in thin film batteries may be manufactured.Type: GrantFiled: January 25, 2019Date of Patent: December 14, 2021Assignee: Universitetet I OsloInventors: Ola Nilsen, Helmer Fjellvåg, Mari Endresen Alnes, Titta Aaltonen, Matti Putkonen
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Patent number: RE49180Abstract: A method of forming a three-dimensional object is carried out by: providing a carrier and a pool of immiscible liquid, the pool having a liquid build surface, the carrier and the liquid build surface defining a build region therebetween; filling the build region with a polymerizable liquid, wherein the immiscible liquid is immiscible with the polymerizable liquid (in some embodiments wherein the immiscible liquid has a density greater than the polymerizable liquid); irradiating the build region through at least a portion of the pool of immiscible liquid to form a solid polymer from the polymerizable liquid and advancing the carrier away from the liquid build surface to form the three-dimensional object comprised of the solid polymer from the polymerizable liquid.Type: GrantFiled: November 6, 2019Date of Patent: August 23, 2022Assignee: Carbon, Inc.Inventors: Lloyd M. Robeson, Edward T. Samulski, Alexander Ermoshkin, Joseph M. DeSimone
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Patent number: RE49400Abstract: Metallic ink compositions for use in capillary-action markers are provided. More particularly, a metallic ink composition includes a polar solvent, an encapsulated metallic pigment, and a resin component.Type: GrantFiled: February 5, 2020Date of Patent: January 31, 2023Assignee: SANFORD, L.P.Inventor: Wing Sum Vincent Kwan
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Patent number: RE49501Abstract: Cyclodextrin compositions including one or more radiation polymerizable monomers and a cyclodextrin inclusion complex, the cyclodextrin inclusion complex including a cyclodextrin compound and an olefinic inhibitor of an ethylene generation in produce, are coated onto packaging materials and cured. Treated containers and treated package inserts having the cured cyclodextrin compositions are useful in packaging of respiring plant materials.Type: GrantFiled: January 14, 2021Date of Patent: April 25, 2023Assignee: Verdant Technologies, LLCInventors: Willard E. Wood, William J. Kuduk, Joseph S. Keute
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Patent number: RE49522Abstract: Antimicrobial and antithrombogenic polymer or polymeric blend, compounds, coatings, and materials containing the same, as well as articles made with, or coated with the same, and methods of making the same exhibiting improved antimicrobial properties and reduced platelet adhesion. Embodiments include polymers with antimicrobial and antithrombogenic groups bound to a single polymer backbone, an antimicrobial polymer blended with an antithrombogenic polymer, and medical devices coated with the antimicrobial and antithrombogenic polymer or polymeric blend.Type: GrantFiled: February 11, 2021Date of Patent: May 9, 2023Assignee: BIOINTERACTIONS LTD.Inventors: Simon Onis, Fanny Burrows, Krishan Kapoor, Alan Rhodes, Ajay Luthra
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Patent number: RE49523Abstract: An integral polymer grid with a plurality of interconnected, oriented polyethylene terephthalate strands and an array of openings therein is made from a polyethylene terephthalate sheet-like starting material having holes or depressions therein that form the openings when the sheet-like material is uniaxially or biaxially stretched. The grid has a higher tensile strength to weight ratio and a higher creep reduced strength to weight ratio than corresponding ratios associated with a grid made from a non-polyethylene terephthalate starting material.Type: GrantFiled: January 26, 2018Date of Patent: May 9, 2023Assignee: TENSAR CORPORATION, LLCInventors: Manoj Kumar Tyagi, William Stanley Shelton
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Patent number: RE49528Abstract: Antimicrobial and antithrombogenic polymer or polymeric blend, compounds, coatings, and materials containing the same, as well as articles made with, or coated with the same, and methods of making the same exhibiting improved antimicrobial properties and reduced platelet adhesion. Embodiments include polymers with antimicrobial and antithrombogenic groups bound to a single polymer backbone, an antimicrobial polymer blended with an antithrombogenic polymer, and medical devices coated with the antimicrobial and antithrombogenic polymer or polymeric blend.Type: GrantFiled: April 23, 2020Date of Patent: May 16, 2023Assignee: BIOINTERACTIONS LTD.Inventors: Simon Jon Onis, Fanny Burrows, Krishan Kapoor, Alan Rhodes, Ajay K Luthra
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Patent number: RE49802Abstract: A process for the drying, and subsequent imidization, of polyimide precursors which minimizes or eliminates voids and which minimizes or eliminates discoloration. The process uses a sequential set of descending pressure operations that allow for time efficient processing of wafers. The set of descending pressure operations are interspersed with evacuation processes using heated gasses, which combine heating and byproduct evacuation. The process results in layers with reduced or eliminated voiding, discoloration, and solvent retention.Type: GrantFiled: March 31, 2021Date of Patent: January 16, 2024Assignee: YIELD ENGINEERING SYSTEMS, INC.Inventor: William Moffat
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Patent number: RE49827Abstract: Methods and systems are provided for a dry silicone gel. The dry silicone gel comprises a base polymer having a vinylsilicone group, a crosslinker, and a chain extender. The dry silicone gel may be made by reacting (a) a first set of components comprising a base polymer having a vinylsilicone group and an addition cure catalyst with (b) a second set of components comprising a crosslinker, a chain extender, and additional base polymer. In certain circumstances, the base polymer and additional base polymer are vinyl-terminated polydimethylsiloxane.Type: GrantFiled: February 23, 2021Date of Patent: February 6, 2024Assignees: CommScope Connectivity Belgium BVBA, CommScope Technologies LLCInventors: Stephane J. G. Berghmans, Michael A. Oar, Miguel A. Morales, Gary W. Adams, Anne-Marie Prins, Nathalie Hendrickx