Lawrenz
Alan R. Lawrenz, East Lansing, MI US
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20100107738 | MASS LOADING MONITOR - The present invention provides a mass loading monitor for measuring in real time the particulate, i.e., powder, dust and the like, content of air inside an industrial or commercial processing facility and providing a warning signal indicating the existence of a potentially explosive atmosphere in the facility. In a first embodiment, the mass loading monitor comprises two parallel cylinders, one of which is charged with clean, ambient air and the other of which is charged with air from within the facility containing dust, powder or other particulate matter. A piston resides within each cylinder and the pistons are commonly accelerated for a short distance during which time the pressure at each piston face is measured. The time integrals of the pressures from each of the piston faces are evaluated over the period: from rest to the time of discharge from the open end of the cylinders. The ratio of these integrals defines the difference in the densities within the cylinders. In a second embodiment, a single piston and cylinder assembly is first calibrated with clean air and subsequently filled with particulate laden air and the time integrals of the pressures on the piston face are similarly evaluated. | 05-06-2010 |
Brad K. Lawrenz, Round Lake Hts, IL US
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20130037616 | RFID AEROSPACE INDUSTRY TAG AND METHOD OF USE - The present invention generally relates to an RFID inventory and expiration date tag for an in-cabin airline metal chemical oxygen generator canister or other in-cabin assets (such as canisters) and a method of using the same. The tag is especially suitable for use in connection with metal oxygen or other gaseous metal canisters used in the aerospace industry. The RFID tag allows for the rapid, efficient, accurate, frequent and easy monitoring of the expiration date of the oxygen generator. The tag has a plurality of stacked layers including layers of polypropylene, polyester, UHF Inlay, fire retardant polypropylene and an acrylic adhesive. The tag extends directly outward from the generator at a tangent to approximately a ninety degree angle with respect to the generator. | 02-14-2013 |
Brian Lawrenz, Forth Worth, TX US
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20140116850 | CONVEYOR SYSTEM WEAR INDICATION DEVICES AND METHODS - A wear-indicating conveyor track including an upper surface configured to interface with a moveable conveyor and one or more indicators disposed on or in at least the upper surface of the track. The one or more indicators can be configured to be substantially obscured by a conveyor placed on the track upon initial use, and the one or more indicators can be configured to be substantially unobscured by the conveyor when the conveyor is moving relative to the track and the track is in need of repair or replacement. | 05-01-2014 |
Dirk Lawrenz, Hassloch DE
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20090045374 | ELECTRICALLY CONDUCTIVE, MAGNETIC COMPOSITE MATERIAL, PROCESS FOR ITS PRODUCTION, AND ITS USE - Electrically conductive, magnetic composite material, comprising | 02-19-2009 |
20100010153 | WATER-SOLUBLE BINDERS FOR PAPER COATING SLIPS - Paper coating slips comprising | 01-14-2010 |
20100167063 | PAPER COATING COMPOUNDS CONTAINING SILICASOLS - Paper coating slips comprising at least one pigment and | 07-01-2010 |
20100204382 | AQUEOUS POLYMER DISPERSIONS BASED ON COPOLYMERS FORMED FROM VINYLAROMATICS AND CONJUGATED ALIPHATIC DIENES, PROCESSES FOR PREPARATION THEREOF AND USE THEREOF - Aqueous polymer dispersions based on copolymers of vinyl aromatics and conjugated aliphatic dienes having a mean particle size of from 80 to 150 nm, obtainable by free radical emulsion copolymerization of | 08-12-2010 |
20100240772 | PIGMENT-FREE, AQUEOUS POLYMER DISPERSIONS MARKED WITH FLUORESCENT DYES, PROCESS FOR THEIR PREPARATION AND THEIR USE - Pigment-free, aqueous polymer dispersion marked with fluorescent dyes, having a viscosity of from 500 to 900 mPa·s, determined with the aid of the Brookfield method (spindle 3, 23° C.), and comprising, based in each case on the solids of the polymer dispersion, | 09-23-2010 |
20110229731 | PROCESS FOR THE PREPARATION OF AQUEOUS POLYMER DISPERSIONS FROM A AROMATIC COMPOUND, A CONJUGATED ALIPHATIC DIENE AND AN ETHYLENICALLY UNSATURATED CARBONITRILE - A process for the preparation of aqueous polymer dispersions is described, a vinylaromatic compound, such as, for example, styrene, a conjugated aliphatic diene, such as, for example, butadiene, and an ethylenically unsaturated carbonitrile, such as, for example, acrylonitrile, being copolymerized in an aqueous medium. The copolymerization is effected in the presence of a degraded starch and of free radical initiators. At least part of the monomers differing from ethylenically unsaturated carbonitriles are polymerized before the ethylenically unsaturated carbonitriles are added to the polymerization mixture. | 09-22-2011 |
20110281130 | AQUEOUS POLYMER DISPERSION OBTAINED FROM A VINYLAROMATIC COMPOUND, CONJUGATED ALIPHATIC DIENE AND ETHYLENICALLY UNSATURATED ACID - An arylcyclohexene-free or low-arylcyclohexene aqueous polymer dispersion and processes for the preparation thereof by free radical emulsion polymerization from at least three different monomer types are described. A monomeric vinylaromatic compound, a monomeric conjugated aliphatic diene and a monomeric ethylenically unsaturated acid are copolymerized in an aqueous medium in the presence of a mercaptoalkylcarboxylic acid ester of a C | 11-17-2011 |
20110305916 | POLYMER DISPERSIONS OF VINYLAROMATIC COMPOUNDS AND ACRYLATE MONOMERS PREPARED IN THE PRESENCE OF SEED LATEX AND CARBOHYDRATE COMPOUNDS - Described are aqueous polymer dispersions and methods of making them. The polymer dispersions are obtainable by free-radically initiated emulsion polymerization of 19.9 to 80 parts by weight of vinylaromatic compounds, 19.9 to 80 parts by weight of acrylate monomers selected from C1-C10 alkyl acrylates and C1-C10 alkyl methacrylates, 0.1 to 10 parts by weight of ethylenically unsaturated acids, and 0 to 20 parts by weight of other ethylenically unsaturated monomers, wherein the emulsion polymerization is effected in an aqueous medium in the presence of free-radical initiators, seed latex and also at least one carbohydrate compound in the form of a degraded starch. The polymer dispersions are particularly useful in the manufacture of paper coating slips. | 12-15-2011 |
20120276399 | PROCESS FOR THE PREPARATION OF AQUEOUS POLYMER DISPERSIONS FROM A AROMATIC COMPOUND, A CONJUGATED ALIPHATIC DIENE AND AN ETHYLENICALLY UNSATURATED CARBONITRILE - A process for the preparation of aqueous polymer dispersions is described, a vinylaromatic compound, such as, for example, styrene, a conjugated aliphatic diene, such as, for example, butadiene, and an ethylenically unsaturated carbonitrile, such as, for example, acrylonitrile, being copolymerized in an aqueous medium. The copolymerization is effected in the presence of a degraded starch and of free radical initiators. At least part of the monomers differing from ethylenically unsaturated carbonitriles are polymerized before the ethylenically unsaturated carbonitriles are added to the polymerization mixture. | 11-01-2012 |
20140251563 | USE IN PAPER COATINGS OF A MIXTURE OF A SECONDARY POLYMERIC DISPERSION AND OF A PRIMARY DISPERSION OF AN EMULSION POLYMER - The use in paper coatings is described of a mixture of an aqueous secondary dispersion of a polymer selected from polyalkylene carbonates, polyesters and polyethylene and an aqueous primary dispersion of an emulsion polymer having a glass transition temperature of below 50° C. | 09-11-2014 |
20140302309 | PAPER COATING COMPOSITIONS COMPRISING A POLYMER DISPERSION FROM ROOM TEMPERATURE LIQUID AND GASEOUS MONOMERS - Paper coating compositions comprise inorganic pigments and an aqueous polymeric dispersion comprising dispersed polymeric particles. The polymers are obtainable by polymerization of a first monomer that is liquid at room temperature, has a boiling point of at least 50° C. and a glass transition temperature of at least 20° C. as homopolymer, and a second monomer that is gaseous at room temperature, has a boiling point of below 0° C. and a glass transition temperature of below −30° C. as homopolymer. The dispersed polymeric particles have an average size of below 150 nm and a glass transition temperature in the range from −10 to +30° C. | 10-09-2014 |
20140342171 | AQUEOUS POLYMER DISPERSION OBTAINABLE BY FREE-RADICALLY INITIATED EMULSION POLYMERIZATION IN THE PRESENCE OF LIGNOSULFONATE - Described is an aqueous polymer dispersion comprising a chain growth addition polymer obtainable via free-radically initiated emulsion polymerization from ethylenically unsaturated, free-radically polymerizable monomers, wherein the chain growth addition polymer is formed to an extent of not less than 60 wt % from primary monomers selected from vinylaromatic compounds, conjugated aliphatic dienes, vinyl esters of saturated C | 11-20-2014 |
Steven D. Lawrenz US
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20090237379 | AUTOMATICALLY CONFORMING THE ORIENTATION OF A DISPLAY SIGNAL TO THE ROTATIONAL POSITION OF A DISPLAY DEVICE RECEIVING THE DISPLAY SIGNAL - An add-on module is described. The add-on module is comprised of an attachment mechanism, an orientation detection subsystem, and a communication subsystem. The attachment mechanism is adapted to be usable by an end user of a display device to directly attach the add-on module to the display device. The orientation detection subsystem detects the rotational orientation of the display device. The communication subsystem communicates to a video source from which the display device receives a video signal notifications of the rotational orientation of the display device detected by the orientation detection subsystem. This enables the video source to, upon receiving each notification of the rotational orientation of the display device detected by the orientation detection subsystem, conform to the notification's rotational orientation the rotational orientation of the video signal received from the video source. | 09-24-2009 |
20090237420 | AUTOMATICALLY CONFORMING THE ORIENTATION OF A DISPLAY SIGNAL TO THE ROTATIONAL POSITION OF A DISPLAY DEVICE RECEIVING THE DISPLAY SIGNAL - An add-on module is described. The add-on module is comprised of an attachment mechanism, an orientation detection subsystem, and a communication subsystem. The attachment mechanism is adapted to be usable by an end user of a display device to directly attach the add-on module to the display device. The orientation detection subsystem detects the rotational orientation of the display device. The communication subsystem communicates to a video source from which the display device receives a video signal notifications of the rotational orientation of the display device detected by the orientation detection subsystem. This enables the video source to, upon receiving each notification of the rotational orientation of the display device detected by the orientation detection subsystem, conform to the notification's rotational orientation the rotational orientation of the video signal received from the video source. | 09-24-2009 |
Sven Lawrenz, Ilvesheim DE
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20120245308 | PROCESS FOR PREPARING POLYAMIDES - The present invention relates to a process for preparing a polyamide based on dicarboxylic acids and diamines, comprising the following stages: | 09-27-2012 |
Sven Lawrenz, Iivesheim DE
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20150232605 | PROCESS FOR PRODUCING POLYCARBODIIMIDE - A process for producing a polycarbodiimide, comprising polymerizing a diisocyanate in the presence of a carbodiimidization catalyst in a reaction vessel in liquid phase at a temperature in the range of from 20 to 250° C., at a pressure in the range of from 20 to 800 mbar and in the presence of at least one inert gas, wherein the at least one inert gas is introduced into the liquid phase in the reaction vessel with a flow rate in the range of from 0.1 x/h to 100 x/h, x being the volume of the reaction vessel. | 08-20-2015 |