Patents Represented by Attorney, Agent or Law Firm Leon Nigohosian, Jr.
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Patent number: 7803730Abstract: A solid state particle agglomerate and method for producing the solid state particle agglomerate are provided. The alkaline earth metal source material, aluminum source material and silicon source material that comprise the solid state particle agglomerate are uniformly distributed and in close proximity within the solid state particle agglomerate, enabling the solid state particle agglomerate to form glass in a more energy efficient manner when heated.Type: GrantFiled: September 29, 2006Date of Patent: September 28, 2010Assignee: Specialty Minerals (Michigan) Inc.Inventors: John Albert Hockman, Stephen Andrew Hrizuk
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Patent number: 7468101Abstract: A high solids precipitated calcium carbonate (PCC) suspension and method for producing the suspension are provided, with the PCC having a PCC particle size distribution d90 value of about 0.7 microns or less, a PCC particle size distribution d50 value of about 0.4 microns or less, a PCC particle size distribution d90/d50 ratio of from about 1.2 to about 2.2 and a PCC specific surface area of about 10.0 meters squared per gram or greater.Type: GrantFiled: August 17, 2006Date of Patent: December 23, 2008Assignee: Specialty Minerals (Michigan) Inc.Inventors: Colin Wayne Hansen, Larry Joseph Zeiner, Neil V. Pagotto
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Patent number: 7383699Abstract: The present invention relates to the production of glass. In particular, the present invention relates to a method for the production of glass utilizing processes of reacting materials in a glass furnace in either a batch mode or a continuous process. These reactions affect the thermodynamics and other characteristics of the glass-forming reaction. The present invention additionally relates to compositions which are useful in such reactions.Type: GrantFiled: December 27, 2001Date of Patent: June 10, 2008Assignee: Specialty Minerals (Michigan) Inc.Inventor: John Albert Hockman
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Patent number: 7303794Abstract: A thermal ink jet recording paper, incorporating dewatered and milled precipitated calcium carbonate (“PCC”) is disclosed. Precipitated calcium carbonate is dewatered and milled in the presence of an amphoteric or anionic dispersant to produce a high solids PCC composition. When used in coating formulations the PCC has a surface morphology and chemistry that enhances the printability of ink jet paper. Ink jet recording paper incorporating the PCC of the present invention has reduced ink feathering and spreading as well as improved optical density, dry time, and water fastness.Type: GrantFiled: March 31, 2004Date of Patent: December 4, 2007Assignee: Specialty Minerals (Michigan) Inc.Inventors: Annmarie Superka, Kevin Jay Roth
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Patent number: 7281402Abstract: A method and apparatus for optimizing the forging of a workpiece that is moved along a longitudinal axis of a forging press. The method includes detecting the relative positions of the first and second ends of the workpiece along the longitudinal axis and calculating a length of the workpiece therebetween.Type: GrantFiled: May 10, 2004Date of Patent: October 16, 2007Assignee: Speciality Minerals (Michigan) Inc.Inventor: Stefan Kirchhoff
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Patent number: 7259838Abstract: An optical beam separation element for a measuring apparatus includes a reflecting component with a reflecting surface and an aperture for forming an optical channel common to the transmission and the reception directions in the optical beam separation element. The reflecting surface of the reflecting component is positioned at an angle with respect to the optical channel. The aperture extends from the reflecting surface through the optical beam separation element allowing the optical beam to pass through the optical beam separation element to the optical channel in the transmission direction. The reflecting component separates the optical beams of the reception and the transmission directions.Type: GrantFiled: June 17, 2005Date of Patent: August 21, 2007Assignee: Specialty Minerals (Michigan) Inc.Inventors: Christoph Carlhoff, Stefan Kirchhoff
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Patent number: 7230724Abstract: An improved three-dimensional (3D) measuring apparatus for scanning an object and a measurement head of a measuring apparatus and a method for using the measuring apparatus for scanning an object.Type: GrantFiled: April 15, 2005Date of Patent: June 12, 2007Assignee: Specialty Minerals (Michigan) Inc.Inventors: Hannu Ensio Jokinen, Stefan Kirchhoff, Christoph Carlhoff
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Patent number: 7220789Abstract: The present invention relates to a product, a process for its preparation and the use of such in plastic film production. More specifically, the present invention relates to an antiblock talc, a process for the preparation of such and its use as an additive in the production of polyolefin film. Polyolefin films produced according to the process of the present invention are useful in a broad range of packaging and film covering applications.Type: GrantFiled: June 25, 2003Date of Patent: May 22, 2007Inventor: Donald Kendall Drummond
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Patent number: 7150839Abstract: Composition comprising a fluorescent material comprising the mixture of one or more metal salts selected from the group consisting of metal oxides and metal hydroxides; one or more carbohydrate(s) selected from the group consisting of sugar and starch; and one or more organic acid(s), method of preparation comprising mixing the components in the presence of water and then drying, and use of the fluorescent material in paper, plastic, polymer, resin, and paint. The resultant papers, plastics, polymers, resins, and paint have whiteness and brightness due to the fluorescence.Type: GrantFiled: December 29, 1999Date of Patent: December 19, 2006Assignee: Minerals Technologies Inc.Inventors: Robin L. Saulsbery, Matthew Frederick Slozer
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Patent number: 7135157Abstract: A process for the preparation of platy precipitated calcium carbonate comprising the steps of providing a suspension of calcium hydroxide, carbonating the suspension of calcium hydroxide, adding a polyacrylate to the suspension prior to the completion of carbonation to precipitate platy calcium carbonate. Also provided are a paper that is filled and a paper that is coated using the platy precipitated calcium carbonate according to the present invention.Type: GrantFiled: June 6, 2003Date of Patent: November 14, 2006Assignee: Specialty Minerals (Michigan) Inc.Inventor: Harry John Huhn, III
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Patent number: 7128887Abstract: A process for the preparation of platy PCC comprising the steps of providing a suspension of calcium hydroxide, carbonating the suspension of calcium hydroxide, adding a condensed phosphate to the suspension prior to the completion of carbonation to precipitate platy calcium carbonate. A paper that is filled is also provided and a paper that is coated and a polymer that is filled are envisioned that use the platy PCC according to the present invention.Type: GrantFiled: May 29, 2003Date of Patent: October 31, 2006Assignee: Specialty Minerals (Michigan) Inc.Inventor: Harry John Huhn, III
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Patent number: 7078360Abstract: A high temperature hot strength magnesia-based refractory composition having high durability at elevated temperatures wherein a sulfamic acid in combination with an independent calcia source is added to a magnesia-based refractory material. The invention also provides for a refractory gunning composition for use in the production or repair of metallurgical furnace linings.Type: GrantFiled: July 12, 2004Date of Patent: July 18, 2006Assignee: Specialty Minerals (Michigan) Inc.Inventors: Bernard D. Gist, Joseph Michael Schmidt
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Patent number: 6401836Abstract: A pneumatic tool having a housing with at least one exhaust opening and a speed regulating apparatus. The speed regulating apparatus has a cap that is removably mounted on the housing and has at least one exhaust port in fluid communication with the at least one exhaust opening. A control ring is provided having at least one aperture in fluid communication with and rotatably mounted over the at least one exhaust port, with the control ring being movable to variably open and close the at least one exhaust port.Type: GrantFiled: February 29, 2000Date of Patent: June 11, 2002Assignee: Ingersoll-Rand CompanyInventors: Kevin Heinrichs, John A. McCallops, Mark J. Hamlin, Mario Craciun
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Patent number: 6377444Abstract: A hinged housing for an electronic device having a first body portion defining a first plane and having a surface with a control panel and a second body portion defining a second plane and having a mounting surface. The first and second body portions are pivotally hinged to rotate between a first position, in which said first plane and said second plane are at an obtuse angle, and a second position, in which the first plane and the second plane are oblique, such that in the second position the control panel is rotated at an angle greater than 180 degrees from the mounting surface. A hinged housing for an electronic device having a first body portion defining a first plane and having a surface with a control panel and a second body portion defining a second plane and having a mounting surface.Type: GrantFiled: November 30, 1999Date of Patent: April 23, 2002Assignee: Ingersoll-Rand CompanyInventors: Scott D. Price, Mark T. McClung, Ronald K. Hutt
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Patent number: 6280149Abstract: A diaphragm pump having an active feedback system is provided. The diaphragm pump includes a diaphragm pump having a housing including a pumping cavity. The pump cavity having at least one diaphragm dividing the pumping cavity into a first pumping chamber and a first pump actuating chamber. A rod is attached to and reciprocally movable along an axis with the at least one diaphragm with the rod including a ferromagnetic material. An induction coil disposed around the rod wherein relative axial movement between the inductance coil and the ferromagnetic material of the rod varies the inductance of the induction coil. Also provided is a diaphragm pump having an active feedback system in which the rod has an electrically conductive, diametrically tapered portion. A linear displacement sensor is disposed next to the tapered portion which induces a current in the tapered portion and generates an output voltage proportional to a relative position between the linear displacement sensor and the tapered portion.Type: GrantFiled: October 28, 1999Date of Patent: August 28, 2001Assignee: Ingersoll-Rand CompanyInventors: Stephen D. Able, Joseph L. Meloche
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Patent number: D443492Type: GrantFiled: June 29, 1999Date of Patent: June 12, 2001Assignee: Ingersoll-Rand CompanyInventors: Mark A. Cieri, Edward C. Eardley
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Patent number: D445232Type: GrantFiled: April 7, 2000Date of Patent: July 17, 2001Assignee: Ingersoll-Rand CompanyInventor: Scott D. Price
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Patent number: D445785Type: GrantFiled: September 21, 2000Date of Patent: July 31, 2001Assignee: Ingersoll-Rand CompanyInventors: Velissa Van Scoyoc, Scott D. Price
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Patent number: D446434Type: GrantFiled: February 7, 2001Date of Patent: August 14, 2001Assignee: Ingersoll-Rand CompanyInventors: Kurt E. Ashbaugh, John A. McCallops, Douglas E. Souls, Paul K. Metaxatos, Robert H. Bruno
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Patent number: D449212Type: GrantFiled: August 17, 2000Date of Patent: October 16, 2001Assignees: Ingersoll-Rand Company, KTS Company, Ltd.Inventors: Scott D. Price, Toshiro Iritani