Patents by Inventor Thomas M. Clere
Thomas M. Clere has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8169767Abstract: Novel boron nitride agglomerated powders are provided having controlled density and fracture strength features. In addition methods for producing same are provided. One method calls for providing a feedstock powder including boron nitride agglomerates, and heat treating the feedstock powder to form a heat treated boron nitride agglomerated powder. In one embodiment the feedstock powder has a controlled crystal size. In another, the feedstock powder is derived from a bulk source. Devices, such as microelectronic devices and printed circuit boards, which include boron nitride agglomerates with controlled fracture strength features are also disclosed.Type: GrantFiled: February 23, 2011Date of Patent: May 1, 2012Assignee: Saint-Gobain Ceramics & Plastics, Inc.Inventors: Eugene A. Pruss, Thomas M. Clere
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Publication number: 20110147064Abstract: Novel boron nitride agglomerated powders are provided having controlled density and fracture strength features. In addition methods for producing same are provided. One method calls for providing a feedstock powder including boron nitride agglomerates, and heat treating the feedstock powder to form a heat treated boron nitride agglomerated powder. In one embodiment the feedstock powder has a controlled crystal size. In another, the feedstock powder is derived from a bulk source.Type: ApplicationFiled: February 23, 2011Publication date: June 23, 2011Applicant: SAINT-GOBAIN CERAMICS & PLASTICS, INC.Inventors: Eugene A. PRUSS, Thomas M. CLERE
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Patent number: 7914886Abstract: A novel composite structural component including novel boron nitride agglomerated powders and a matrix is provided having controlled density and fracture strength features. In addition methods for producing the novel boron nitride agglomerated powders are provided. One method calls for providing a feedstock powder including boron nitride agglomerates, and heat treating the feedstock powder to form a heat treated boron nitride agglomerated powder. In one embodiment the feedstock powder has a controlled crystal size. In another, the feedstock powder is derived from a bulk source.Type: GrantFiled: November 21, 2008Date of Patent: March 29, 2011Assignee: Saint-Gobain Ceramics & Plastics, Inc.Inventors: Eugene A. Pruss, Thomas M. Clere
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Patent number: 7662324Abstract: In an exemplary embodiment, the present method includes the stops of providing a polymer resin to be processed: blending particulate boron nitride (BN) and a fluorine-containing polymer with said polymer resin to provide a resin blend: heating said resin blend to obtain a desired flowability value: and processing said resin blend into a desired shape.Type: GrantFiled: April 30, 2002Date of Patent: February 16, 2010Assignee: Saint-Gobain Ceramics & Plastics, IncInventors: Eugene A. Pruss, Thomas M. Clere, Stuart K. Randa
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Publication number: 20090071695Abstract: Novel boron nitride agglomerated powders are provided having controlled density and fracture strength features. In addition methods for producing same are provided. One method calls for providing a feedstock powder including boron nitride agglomerates, and heat treating the feedstock powder to form a heat treated boron nitride agglomerated powder. In one embodiment the feedstock powder has a controlled crystal size. In another, the feedstock powder is derived from a bulk source.Type: ApplicationFiled: November 21, 2008Publication date: March 19, 2009Applicant: SAINT-GOBAIN CERAMICS & PLASTICS, INC.Inventors: Eugene A. Pruss, Thomas M. Clere
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Patent number: 7494635Abstract: Novel boron nitride agglomerated powders are provided having controlled density and fracture strength features. In addition methods for producing same are provided. One method calls for providing a feedstock powder including boron nitride agglomerates, and heat treating the feedstock powder to form a heat treated boron nitride agglomerated powder. In one embodiment the feedstock powder has a controlled crystal size. In another, the feedstock powder is derived from a bulk source.Type: GrantFiled: August 21, 2003Date of Patent: February 24, 2009Assignee: Saint-Gobain Ceramics & Plastics, Inc.Inventors: Eugene A. Pruss, Thomas M. Clere
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Patent number: 7189774Abstract: The present invention relates to a method for making boron nitride powder having a thermal diffusivity of from about 0.14 cm2/s to about 0.20 cm2/s. This method involves pressing high purity, hexagonal boron nitride having an average platelet size of at least 2 microns into a compacted form, sintering the compacted form of boron nitride to form a sintered body, and crushing the sintered body under conditions effective to produce boron nitride powder having a thermal diffusivity of from about 0.14 cm2/s to about 0.20 cm2/s. Another aspect of the present invention relates to boron nitride powder having a thermal diffusivity of from about 0.14 cm2/s to about 0.20 cm2/s.Type: GrantFiled: May 11, 2004Date of Patent: March 13, 2007Assignee: Saint-Gobain Ceramics & Plastics, Inc.Inventor: Thomas M. Clere
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Patent number: 6951583Abstract: The present invention relates to a powder comprising boron nitride particles having an aspect ratio of from about 50 to about 300. The present invention also relates to a method of making delaminated boron nitride powder. This method involves providing boron nitride powder and milling the boron nitride powder in a mixture including a milling media and a milling liquid under conditions effective to produce delaminated boron nitride powder.Type: GrantFiled: October 16, 2003Date of Patent: October 4, 2005Assignee: Saint-Gobain Ceramics & Plastics, Inc.Inventors: Thomas M. Clere, Séverine M. Labouré
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Publication number: 20040220288Abstract: In an exemplary embodiment, the present method includes the stops of providing a polymer resin to be processed: blending particulate boron nitride (BN) and a fluorine-containing polymer with said polymer resin to provide a resin blend: heating said resin blend to obtain a desired flowability valve: and processing said resin blend into a desired shape.Type: ApplicationFiled: June 18, 2004Publication date: November 4, 2004Inventors: Eugene A. Pruss, Thomas M. Clere, Stuart K. Randa
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Publication number: 20040208812Abstract: The present invention relates to a method for making boron nitride powder having a thermal diffusivity of from about 0.14 cm2/s to about 0.20 cm2/s. This method involves pressing high purity, hexagonal boron nitride having an average platelet size of at least 2 microns into a compacted form, sintering the compacted form of boron nitride to form a sintered body, and crushing the sintered body under conditions effective to produce boron nitride powder having a thermal diffusivity of from about 0.14 cm2/s to about 0.20 cm2/s. Another aspect of the present invention relates to boron nitride powder having a thermal diffusivity of from about 0.14 cm2/s to about 0.20 cm2/s.Type: ApplicationFiled: May 11, 2004Publication date: October 21, 2004Inventor: Thomas M. Clere
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Patent number: 6794435Abstract: The present invention relates to a powder including agglomerates of hexagonal boron nitride platelets, wherein the agglomerates have an agglomerate size distribution of from about 10 to about 125 microns and the powder is substantially free of non-agglomerated platelets of boron nitride and its use in a polymer blend. The present invention also relates to a method of making a powder including agglomerates of hexagonal boron nitride platelets. This method involves providing a briquette formed from agglomerated hexagonal boron nitride platelets, crushing the briquette to produce a powder including hexagonal boron nitride agglomerates and non-agglomerated boron nitride platelets, and removing the non-agglomerated boron nitride platelets from the powder under conditions effective to produce a powder including agglomerates of hexagonal boron nitride platelets having an agglomerate size distribution of from about 10 to about 125 microns.Type: GrantFiled: May 18, 2001Date of Patent: September 21, 2004Assignee: Saint Gobain Ceramics & Plastics, Inc.Inventor: Thomas M. Clere
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Patent number: 6764975Abstract: The present invention relates to a method for making boron nitride powder having a thermal diffusivity of from about 0.14 cm2/s to about 0.20 cm2/s. This method involves pressing high purity, hexagonal boron nitride having an average platelet size of at least 2 microns into a compacted form, sintering the compacted form of boron nitride to form a sintered body, and crushing the sintered body under conditions effective to produce boron nitride powder having a thermal diffusivity of from about 0.14 cm2/s to about 0.20 cm2/s. Another aspect of the present invention relates to boron nitride powder having a thermal diffusivity of from about 0.14 cm2/s to about 0.20 cm2/s.Type: GrantFiled: November 28, 2000Date of Patent: July 20, 2004Assignee: Saint-Gobain Ceramics & Plastics, Inc.Inventor: Thomas M. Clere
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Publication number: 20040076572Abstract: The present invention relates to a powder comprising boron nitride particles having an aspect ratio of from about 50 to about 300. The present invention also relates to a method of making delaminated boron nitride powder. This method involves providing boron nitride powder and milling the boron nitride powder in a mixture including a milling media and a milling liquid under conditions effective to produce delaminated boron nitride powder.Type: ApplicationFiled: October 16, 2003Publication date: April 22, 2004Inventors: Thomas M. Clere, Severine M. Laboure
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Patent number: 6660241Abstract: The present invention relates to a powder comprising boron nitride particles having an aspect ratio of from about 50 to about 300. The present invention also relates to a method of making delaminated boron nitride powder. This method involves providing boron nitride powder and milling the boron nitride powder in a mixture including a milling media and a milling liquid under conditions effective to produce delaminated boron nitride powder.Type: GrantFiled: April 26, 2001Date of Patent: December 9, 2003Assignee: Saint-Gobain Ceramics & Plastics, Inc.Inventors: Thomas M. Clere, Séverine M. Labouré
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Publication number: 20020006373Abstract: The present invention relates to a powder including agglomerates of hexagonal boron nitride platelets, wherein the agglomerates have an agglomerate size distribution of from about 10 to about 125 microns and the powder is substantially free of non-agglomerated platelets of boron nitride and its use in a polymer blend. The present invention also relates to a method of making a powder including agglomerates of hexagonal boron nitride platelets. This method involves providing a briquette formed from agglomerated hexagonal boron nitride platelets, crushing the briquette to produce a powder including hexagonal boron nitride agglomerates and non-agglomerated boron nitride platelets, and removing the non-agglomerated boron nitride platelets from the powder under conditions effective to produce a powder including agglomerates of hexagonal boron nitride platelets having an agglomerate size distribution of from about 10 to about 125 microns.Type: ApplicationFiled: May 18, 2001Publication date: January 17, 2002Inventor: Thomas M. Clere
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Publication number: 20020006511Abstract: The present invention relates to a powder comprising boron nitride particles having an aspect ratio of from about 50 to about 300. The present invention also relates to a method of making delaminated boron nitride powder. This method involves providing boron nitride powder and milling the boron nitride powder in a mixture including a milling media and a milling liquid under conditions effective to produce delaminated boron nitride powder.Type: ApplicationFiled: April 26, 2001Publication date: January 17, 2002Inventor: Thomas M. Clere
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Patent number: 5767022Abstract: Composition and process for the preparation of high temperature stable continuous glass fibers with an upper temperature use limit of 2300.degree. F. are provided. The compositional formulation, in mole percent, is 62-85% SiO.sub.2, 10-20% Al.sub.2 O.sub.3, 5-15% MgO, 0.5-5% TiO.sub.x, and 0-5% ZrO.sub.2. The continuous fibers are prepared by an economical direct melt method, and demonstrate high tensile strength, high Young's modulus, and low linear thermal shrinkage characteristics. Friction pads containing these high temperature stable continuous glass fibers are also provided.Type: GrantFiled: December 17, 1996Date of Patent: June 16, 1998Assignee: Unifrax CorporationInventors: Thomas M. Clere, James Olson
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Patent number: 5585312Abstract: Composition and process for the preparation of high temperature stable continuous glass ceramic fibers with an upper temperature use limit of 2300.degree. F. are provided. The compositional formulation, in mole percent, is 62-85% SiO.sub.2, 9.5-20% Al.sub.2 O.sub.3, 5-15.5% MgO, 0.5-5% TiO.sub.x, and 0-5% ZrO.sub.2. The continuous fibers are prepared by an economical direct melt method, and demonstrate high tensile strength, high Young's modulus, and low linear thermal shrinkage characteristics.Type: GrantFiled: December 21, 1995Date of Patent: December 17, 1996Assignee: Unifrax CorporationInventors: John D. TenEyck, Thomas M. Clere, James Olson, Steven Waisala
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Patent number: 5569629Abstract: Composition and process for the preparation of high temperature stable continuous glass ceramic fibers with an upper temperature use limit of 2300.degree. F. are provided. The compositional formulation, in mole percent, is 62-85% SiO.sub.2, 9.5-20% Al.sub.2 O.sub.3, 5-15.5% MgO, 0.5-5% TiO.sub.x, and 0-5% ZrO.sub.2. The continuous fibers are prepared by an economical direct melt method, and demonstrate high tensile strength, high Young's modulus, and low linear thermal shrinkage characteristics.Type: GrantFiled: June 6, 1995Date of Patent: October 29, 1996Assignee: Unifrax CorporationInventors: John D. TenEyck, Thomas M. Clere, James Olson, Steven Waisala
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Patent number: RE45923Abstract: The present invention relates to a method for making a hexagonal boron nitride slurry and the resulting slurry. The method involves mixing from about 0.5 wt. % to about 5 wt. % surfactant with about 30 wt. % to about 50 wt. % hexagonal boron nitride powder in a medium under conditions effective to produce a hexagonal boron nitride slurry. The present invention also relates to a method for making a spherical boron nitride powder and a method for making a hexagonal boron nitride paste using a hexagonal boron nitride slurry. Another aspect of the present invention relates to a hexagonal boron nitride paste including from about 60 wt. % to about 80 wt. % solid hexagonal boron nitride. Yet another aspect of the present invention relates to a spherical boron nitride powder, a polymer blend including a polymer and the spherical hexagonal boron nitride powder, and a system including such a polymer blend.Type: GrantFiled: November 3, 2005Date of Patent: March 15, 2016Assignee: Saint-Gobain Ceramics & Plastics, Inc.Inventors: Vimal K. Pujari, William T. Collins, Jeffrey J. Kutsch, Thomas M. Clere, Eugene A. Pruss