Patents by Inventor Ethan S. Simon
Ethan S. Simon 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: 8118641Abstract: Chemical mechanical polishing pads having a window with an integral identification feature, wherein the window has a polishing face and a nonpolishing face, wherein the integral identification feature is observable through the window, and wherein the integral identification feature identifies the chemical mechanical polishing pad as a type of chemical mechanical polishing pad selected from a plurality of types of chemical mechanical polishing pads. Also provided is a method of making such chemical mechanical polishing pads and for using them to polish a substrate selected from a magnetic substrate, an optical substrate and a semiconductor substrate.Type: GrantFiled: March 4, 2009Date of Patent: February 21, 2012Assignee: Rohm and Haas Electronic Materials CMP Holdings, Inc.Inventors: Mary Jo Kulp, Ethan S. Simon, Darrell String
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Publication number: 20100227533Abstract: Chemical mechanical polishing pads having a window with an integral identification feature, wherein the window has a polishing face and a nonpolishing face, wherein the integral identification feature is observable through the window, and wherein the integral identification feature identifies the chemical mechanical polishing pad as a type of chemical mechanical polishing pad selected from a plurality of types of chemical mechanical polishing pads. Also provided is a method of making such chemical mechanical polishing pads and for using them to polish a substrate selected from a magnetic substrate, an optical substrate and a semiconductor substrate.Type: ApplicationFiled: March 4, 2009Publication date: September 9, 2010Inventors: Mary Jo Kulp, Ethan S. Simon, Darrell String
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Patent number: 7244775Abstract: A method for imparting damage resistance to a coating, film or article of manufacture comprising adding crosslinked polymeric nanoparticles having a size range of 1-100 nm in diameter to said coating, film or article of manufacture.Type: GrantFiled: June 13, 2003Date of Patent: July 17, 2007Assignee: Rohm and Haas CompanyInventors: Casmir S. Ilenda, Michael Louis Spera, Andrew T. Daly, Robert H. Gore, Wayne Devonport, Eric G. Lundquist, Paul Francis Reeve, James R. Lesniak, Ethan S. Simon, Jenifer Lyn Machleder, legal representative, Eric Michael Machleder, legal representative, Warren H. Machleder, deceased
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Publication number: 20040063817Abstract: A method for imparting damage resistance to a coating, film or article of manufacture comprising adding crosslinked polymeric nanoparticles having a size range of 1-100 nm in diameter to said coating, film or article of manufacture.Type: ApplicationFiled: June 13, 2003Publication date: April 1, 2004Inventors: Casmir S. Ilenda, Michael Louis Spera, Andrew T. Daly, Robert H. Gore, Wayne Devonport, Eric G. Lundquist, Paul Francis Reeve, James R. Lesniak, Ethan S. Simon, Warren H. Machleder, Eric Michael Machleder
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Patent number: 5612447Abstract: A method for producing polysuccinimide is provided. Thermal polymerization of maleamic acid at a temperature of from about 160.degree. C. to about 330.degree. C. produces polysuccinimide. The reaction is optionally conducted in the presence of one or more processing aids, solvents or diluents. The polysuccinimide is particularly useful as a detergent additive.Type: GrantFiled: November 15, 1994Date of Patent: March 18, 1997Assignee: Rohm and Haas CompanyInventors: Michael B. Freeman, Yi H. Paik, Ethan S. Simon, Graham Swift
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Patent number: 5491212Abstract: A method for producing polysuccinimides is provided. A rotary tray dryer operating at an internal temperature of from about 110.degree. to about 300.degree. C. and providing a residence time of from about 1 hour to about 10 hours is used in the polycondensation of one or more amino acids, amic acids or ammonium salts of monoethylenically unsaturated dicarboxylic acids to produce polysuccinimides.Type: GrantFiled: January 12, 1994Date of Patent: February 13, 1996Assignee: Rohm and Haas CompanyInventors: Yi H. Paik, Ethan S. Simon, Graham Swift
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Patent number: 5484878Abstract: A process is provided for preparing polysuccinimides by forming a polymerization mixture of poly(alkylene glycol), aspartic acid and, optionally, one or more other amino acids; heating the mixture to an elevated temperature; and maintaining the mixture at the elevated temperature to form polysuccinimides.Type: GrantFiled: August 25, 1994Date of Patent: January 16, 1996Assignee: Rohm and Haas CompanyInventors: Yi H. Paik, Ethan S. Simon, Graham Swift
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Patent number: 5463017Abstract: A process is provided for preparing polysuccinimides by forming a polymerization mixture of poly(alkylene glycol), maleamic acid and, optionally one or more other amic acids, heating the mixture to an elevated temperature, and maintaining the mixture at the elevated temperature to form polysuccinimides.Type: GrantFiled: August 25, 1994Date of Patent: October 31, 1995Assignee: Rohm and Haas CompanyInventors: Yi H. Paik, Ethan S. Simon, Graham Swift
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Patent number: 5459234Abstract: A continuous process for preparing polymers is provided: The continuous process produces polymers from monoethylenically unsaturated acids or anhydrides, and a nitrogen-containing compound, optionally in the presence of a fluidizing agent. The polymers are useful as detergent additives, pigment and mineral dispersants, additives for fertilizers, and corrosion and scale inhibitors in boilers and cooling towers.Type: GrantFiled: January 12, 1995Date of Patent: October 17, 1995Assignee: Rohm & Haas CompanyInventors: Newman M. Bortnick, Robert E. Jerman, James M. Lipovsky, Yi H. Paik, Ethan S. Simon, Graham Swift
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Patent number: 5424391Abstract: A method for producing polysuccinimide is provided. Thermal polymerization of fumaramic acid at a temperature of from about 160.degree. C. to about 330.degree. C. produces polysuccinimide. The reaction is optionally conducted in the presence of one or more processing aids, solvents or diluents. The polysuccinimide is particularly useful as a detergent additive.Type: GrantFiled: July 20, 1993Date of Patent: June 13, 1995Assignee: Rohm and Haas CompanyInventors: Yi H. Paik, Graham Swift, Ethan S. Simon, Michael B. Freeman
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Patent number: 5410017Abstract: A continuous process for preparing polymers is provided: The continuous process produces polymers from monoethylenically unsaturated acids or anhydrides, and a nitrogen-containing compound, optionally in the presence of a fluidizing agent. The polymers are useful as detergent additives, pigment and mineral dispersants, additives for fertilizers, and corrosion and scale inhibitors in boilers and cooling towers.Type: GrantFiled: May 21, 1993Date of Patent: April 25, 1995Assignee: Rohm and Haas CompanyInventors: Newman M. Bortnick, Robert E. Jerman, James M. Lipovsky, Yi H. Paik, Ethan S. Simon, Graham Swift
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Patent number: 5393868Abstract: A method for producing polysuccinimide is provided. Thermal polymerization of maleamic acid at a temperature of from about 160.degree. C. to about 330.degree. C. produces polysuccinimide. The reaction is optionally conducted in the presence of one or more processing aids, solvents or diluents. The polysuccinimide is particularly useful as a detergent additive.Type: GrantFiled: October 13, 1992Date of Patent: February 28, 1995Assignee: Rohm and Haas CompanyInventors: Michael B. Freeman, Yi H. Paik, Ethan S. Simon, Graham Swift
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Patent number: 5380817Abstract: A process is provided for preparing polysuccinimides by forming a polymerization mixture of poly(alkylene glycol), aspartic acid and, optionally, one or more other amino acids; heating the mixture to an elevated temperature; and maintaining the mixture at the elevated temperature to form polysuccinimides.Type: GrantFiled: July 10, 1992Date of Patent: January 10, 1995Assignee: Rohm and Haas CompanyInventors: Yi H. Paik, Ethan S. Simon, Graham Swift
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Patent number: 5371179Abstract: Polysuccinimide polymers of from about 5 to 100 percent by weight of methylenesuccinimide moieties, and from 0 to about 95 percent by weight of one or more amino acid moieties are provided. A process is provided for preparing polysuccinimide polymers by forming a polymerization mixture of poly(alkylene glycol), ammonia, one or more monoethylenically unsaturated poly(carboxylic acids) and, optionally, one or more other monoethylenically unsaturated compounds; heating the mixture to an elevated temperature; and maintaining the mixture at the elevated temperature to form polysuccinimide polymers.Type: GrantFiled: July 10, 1992Date of Patent: December 6, 1994Assignee: Rohm and Haas CompanyInventors: Yi H. Paik, Ethan S. Simon, Graham Swift
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Patent number: 5371177Abstract: A process is provided for preparing polysuccinimides by forming a polymerization mixture of poly(alkylene glycol), maleamic acid and, optionally one or more other amic acids, heating the mixture to an elevated temperature, and maintaining the mixture at the elevated temperature to form polysuccinimides.Type: GrantFiled: July 10, 1992Date of Patent: December 6, 1994Assignee: Rohm and Haas CompanyInventors: Yi H. Paik, Ethan S. Simon, Graham Swift
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Patent number: 5319145Abstract: A method for producing polysuccinimides is provided. A rotary tray operating at an internal temperature of from about 110 to about 300.degree. C. and providing a residence time of from about 1 hour to about 10 hours is used in the polycondensation of one or more amino acids, amic acids or ammonium salts of monoethylenically unsaturated dicarboxylic acids to produce polysuccinimides.Type: GrantFiled: July 10, 1992Date of Patent: June 7, 1994Assignee: Rohm and Haas CompanyInventors: Yi H. Paik, Ethan S. Simon, Graham Swift
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Patent number: 5266237Abstract: Detergent compositions containing from 0.5 to about 50 percent by weight polysuccinimide are provided. These compositions have enhanced anti-encrustation, soil removal and anti-redeposition properties.Type: GrantFiled: July 31, 1992Date of Patent: November 30, 1993Assignee: Rohm and Haas CompanyInventors: Michael B. Freeman, Yi H. Paik, Ethan S. Simon, Graham Swift
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Patent number: 5186838Abstract: A method of separating organic materials is disclosed utilizing a chromatographic packing material. This packing material includes a coated support material which is a chromatographically suitable substrate. An immobilized butadiene acrylonitrile polymer coating is provided on the substrate. The copolymer can be crosslinked by gamma radiation, or by means of a crosslinking agent such as dicumyl peroxide. The support material can be silica, alumina, diatomaceous earth, zeolite, porous glass or carbon, but preferably a spherical lamellar shaped crystals of aluminum hydroxide. the aluminum hydroxide crystals are bonded together at a central core and extend radially outward from a central core with a particle density ranging from 0.3 to 2.5 g/cm.sup.3 and a diameter of 2 to 150 microns.Type: GrantFiled: March 4, 1991Date of Patent: February 16, 1993Assignee: Biotage Inc.Inventors: Ethan S. Simon, Kevin B. Holland, Christopher McClanahan
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Patent number: 5167822Abstract: A method of separating organic materials is disclosed utilizing a chromatographic packing material. This packing material includes a coated support material which is a chromatographically suitable substrate. An immobilized butadiene acrylonitrile polymer coating is provided on the substrate. The copolymer can be crosslinked by gamma radiation, or by means of a crosslinking agent such as dicumyl peroxide. The support material can be silica, alumina, diatomaceous earth, zeolite, porous glass or carbon, but preferably is spherical lamellar shaped crystals of aluminum hydroxide. The aluminum hydroxide crystals are bonded together at a central core and extend radially outward from a central core with a particle density ranging from 0.3 to 2.5 g/cm.sup.3 and a diameter of 2 to 150 microns.Type: GrantFiled: March 4, 1991Date of Patent: December 1, 1992Assignee: Biotage Inc.Inventors: Ethan S. Simon, Kevin Holland, Christopher McClanahan