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Hellmann
John R. Hellmann, State College, PA US
| Patent application number | Description | Published |
|---|---|---|
| 20090118145 | METHOD FOR PRODUCING PROPPANT USING A DOPANT - A method for producing sintered pellets and sintered pellets produced therefrom including mixing a dopant with water and kaolin clay to form substantially round and spherical green pellets and sintering the pellets to form a proppant. The dopant is selected from the group consisting of potassium carbonate, potassium sulfate, potassium chloride, mica, kalsilite, and combinations thereof. | 05-07-2009 |
| 20100068521 | TREATMENT OF MELT QUENCHED ALUMINOSILICATE GLASS SPHERES FOR APPLICATION AS PROPPANTS VIA DEVITRIFICATION PROCESSES - A process for increasing toughness of glass particulates is provided. The process includes providing an aluminosilicate glass particulate, the glass particulate generally having the form of a sphere, and heating the glass particulate to a temperature greater than 600° C. for a predetermined time. Thereafter, the glass particulate can be cooled to ambient temperature and the heating step can alter the failure mechanism of the glass particulate from a high energy failure that produces generally fine powder to a lower energy failure that produces generally large fragments. The glass particulate can be an amorphous glass particulate and may or may not have a nominal composition that corresponds to rhyolite, basalt, tholeiite, olivine and/or andesite. | 03-18-2010 |
| 20100326657 | Treatment of particles for improved performance as proppants - The disclosed invention relates to a process of using molten salt ion exchange to treat particles such as spherically shaped soda-lime-silica glass particles. The treated particles may be used as proppants in hydrofractured oil and natural gas wells. | 12-30-2010 |
John V. Hellmann, Rochester Hills, MI US
| Patent application number | Description | Published |
|---|---|---|
| 20090047574 | BATTERY MODULE - There is disclosed a battery module that includes a housing. At least one terminal is melt joined with the bus member of the housing sealing the terminal relative to the bus member and providing a conductive path to an interior of the battery module. The terminal may be melt joined in an ultrasonic joining operation or in a thermal insertion operation. A plurality of cells are disposed in the housing with each of the cells electrically coupled via bus bars integrated into a bus member. Each of the cells includes a plurality of positive and negative electrodes that are spaced by a separator. The negative electrode includes a substrate having tab meeting at a flange that is connected to an active material portion of the electrode. The positive electrode includes a substrate having a tab meeting at a flange that is connected to an active material portion of the electrode. | 02-19-2009 |
Kurt Hellmann, East Sussex GB
| Patent application number | Description | Published |
|---|---|---|
| 20100144704 | Method of reducing amyloid-beta peptide levels using a bisdioxopiperazine - Disclosed are methods of reducing amyloid-β peptide levels in a subject. The method involves administering to the subject a therapeutically effective amount of a bisdioxopiperazine or a pharmaceutically acceptable salt thereof to reduce β-amyloid peptide levels. | 06-10-2010 |
Lauren Ann Hellmann, Parsippany, NJ US
| Patent application number | Description | Published |
|---|---|---|
| 20110077664 | DEVICE FOR PROCESSING DERMAL TISSUE - A device for processing harvested dermal tissue includes a body having a cutting head portion and a handle portion extending from the cutting head portion. The cutting head portion defines a chamber. A cutting assembly is disposed in the chamber and includes a plurality of blades and a flexible spacer member disposed on the axle such that the blades rotate as the axle rotates. Each of the plurality of blades is separated from an adjacent blade by a spacer disposed on the axle. A grill assembly is coupled to the body and includes a grill and a grill cap. The grill has a plurality of spaced apart slots sized and configured to receive the blades and maintain the blades in a position with respect to the body. The grill cap is sized and configured to couple the grill to the cutting head portion of the body. | 03-31-2011 |
Susan D. Hellmann, San Carlos, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20110250194 | Treatment with Anti-ErbB2 Antibodies - The present invention concerns the treatment of disorders characterized by the overexpression of ErbB2. More specifically, the invention concerns the treatment of human patients susceptible to or diagnosed with cancer overexpressing ErbB2 with a combination of an anti-ErbB2 antibody and a chemotherapeutic agent other than an anthracycline, e.g. doxorubicin or epirubicin. The invention further provides a method of treating cancer in a human patient comprising administering effective amounts of an anti-ErbB2 antibody and a cardioprotectant to the patient. | 10-13-2011 |