Patents by Inventor Michael S. Bolmer
Michael S. Bolmer 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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Publication number: 20020183569Abstract: A process for the preparation of 142 is provided, wherein 140 is fluorinated in the gas phase with HF in the presence of a fluorination catalyst. 142 is a known foam blowing agent.Type: ApplicationFiled: July 26, 2002Publication date: December 5, 2002Inventors: Michael S. Bolmer, Bin Chen, Maher Y. Elsheikh
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Patent number: 6403550Abstract: Azeotropic and azeotrope-like compositions of 142/365 mfc, 142/methanol, and 142/365 mfc/methanol are provided, as are methods for using the same for cleaning, drying, foam blowing and the like.Type: GrantFiled: March 10, 2000Date of Patent: June 11, 2002Assignee: ATOFINA Chemicals, Inc.Inventors: Michael S. Bolmer, Pascal Michaud
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Patent number: 6362382Abstract: An uncatalyzed process is provided for the fluorination of 240 fa in the presence of a solvent.Type: GrantFiled: July 20, 2001Date of Patent: March 26, 2002Assignee: Atofina Chemicals, Inc.Inventors: Bin Chen, Michael S. Bolmer
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Patent number: 6288294Abstract: A method for purifying a 133a product mixture containing olefinic impurities is provided wherein the mixture is contacted with a diene under conditions sufficient to convert the olefinic impurities to cyclohexenes.Type: GrantFiled: March 6, 2001Date of Patent: September 11, 2001Assignee: Atofina Chemicals, Inc.Inventor: Michael S. Bolmer
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Patent number: 6166274Abstract: A liquid phase process is provided for the preparation of 1233zd with reduced oligomer formation via the fluorination of 1230za with HF in the presence of a catalyst selected from TFA and triflic acid. The 1233zd is a known intermediate useful for preparing 245fa.Type: GrantFiled: December 15, 1999Date of Patent: December 26, 2000Assignee: ATOFINA Chemicals, Inc.Inventors: Bin Chen, Michael S. Bolmer, Maher Y. Elsheikh
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Patent number: 6063969Abstract: A process for the preparation of 142 is provided, wherein 1130 is fluorinated in the gas phase in the presence of a catalyst which is a supported or unsupported fluorinated salt of one or more of chromium, iron, niobium, nickel, antimony, tin, tantalum or titanium. 142 is a known foam blowing agent.Type: GrantFiled: December 8, 1998Date of Patent: May 16, 2000Assignee: Elf Atochem North America, Inc.Inventors: Michael S. Bolmer, Bin Chen
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Patent number: 6013846Abstract: An azeotrope containing HF and 1233zd is provided, as are methods for separating this azeotrope from mixtures of HF and 1233zd which are HF-rich or 1233zd-rich and methods for making use of the azeotrope and separation methods to improve processes for preparing 1233zd, an intermediate used in the preparation of 245fa. 245fa is a known foam blowing agent and refrigerant.Type: GrantFiled: March 5, 1998Date of Patent: January 11, 2000Assignee: Elf Atochem North America, Inc.Inventors: John A. Wismer, Michael S. Bolmer, Bin Chen
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Patent number: 5895825Abstract: A process for the preparation of 245fa is provided, wherein 1233zd is first fluorinated to 1234ze, followed by fluorination of 1234ze to 245fa. 245fa is a known foam blowing agent and refrigerant.Type: GrantFiled: December 1, 1997Date of Patent: April 20, 1999Assignee: Elf Atochem North America, Inc.Inventors: Maher Y. Elsheikh, Michael S. Bolmer, Bin Chen
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Patent number: 5600038Abstract: Process for adiabatically hydrofluorinating hydrochlorocarbons and hydrochlorofluorocarbons in the gaseous phase in the presence of a catalyst that is active at the initial reaction temperature and remains highly selective at the maximum reaction temperature, e.g., a Cr catalyst. The molar ratio of HF to starting compound is at least about 2.5:1. The initial reaction temperature is selected such that the HF in the feed is partially associated but not completely (HF).sub.6. The catalyst may be unsupported or supported.Type: GrantFiled: March 24, 1995Date of Patent: February 4, 1997Assignee: Elf Atochem North America, Inc.Inventors: John A. Wismer, Maher Y. Elsheikh, Michael S. Bolmer, Jean P. Schirmann
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Patent number: 5552080Abstract: Nonazeotropic solvent blends useful for cold cleaning applications in an open environment containing an HCFC, HFC or PFC component having no flash point (such as 141b), a higher boiling nonflammable chlorinated solvent (such as perchloroethylene), and a moderately flammable, intermediate boiling, oxygenated organic solvent (such as n-butanol).Type: GrantFiled: October 11, 1995Date of Patent: September 3, 1996Assignee: Elf Atochem North America, Inc.Inventor: Michael S. Bolmer
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Patent number: 5514221Abstract: Evaporative cold cleaning of objects wherein the object is contacted in an open environment with a nonazeotropic solvent blend containing an HCFC, HFC or PFC component having no flash point (such as 141b), a higher boiling nonflammable chlorinated solvent (such as perchloroethylene), and a moderately flammable, intermediate boiling, oxygenated organic solvent (such as n-butanol).Type: GrantFiled: January 26, 1995Date of Patent: May 7, 1996Assignee: Elf Atochem North America, Inc.Inventor: Michael S. Bolmer
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Patent number: 5177271Abstract: Production of vinylidene fluoride by contacting 143a and HCl in the gas phase at 300-700 C.Type: GrantFiled: April 30, 1992Date of Patent: January 5, 1993Assignee: Elf Atochem North America, Inc.Inventors: Maher Y. Elsheikh, Michael S. Bolmer
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Patent number: 5099082Abstract: Partial or total separation of a mixture of 1,1,1,3,3-pentafluorobutane and 1,1-dichloro-1-fluoroethane by liquid-liquid extraction with solvents containing ethylene glycol, 2-butene-1,4-diol, ethanolamine, propylene glycol, or mixtures thereof, preferably ethylene glycol.Type: GrantFiled: August 28, 1991Date of Patent: March 24, 1992Assignee: Atochem North America, Inc.Inventors: Michael S. Bolmer, Maher Y. Elsheikh
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Patent number: 5099081Abstract: Partial or total separation of a mixture of 1,1,1,3,4-pentafluorobutane and 1,1-dichloro-1-fluoroethane by liquid-liquid extraction with methanol based solvent mixtures, such as methanol with ethanolamine or ethylene glycol.Type: GrantFiled: August 28, 1991Date of Patent: March 24, 1992Assignee: Atochem North America, Inc.Inventors: Michael S. Bolmer, Maher Y. Elsheikh
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Patent number: 5095158Abstract: Partial or total separation of a mixture of vinylidene chloride and 1,1-dichloro-1-fluoroethane by liquid-liquid extraction with solvents having a Hansen solubility parameter of about 30.8-32.0, such as ethanolamine.Type: GrantFiled: May 10, 1991Date of Patent: March 10, 1992Assignee: Atochem North America, Inc.Inventor: Michael S. Bolmer
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Patent number: 4822825Abstract: A method for preparing a mixture of lower aliphatic alcohols from the reaction of carbon monoxide and hydrogen in the presence of a zeolite-containing heavy metal catalyst under carbon monoxide-hydrogenation conditions in which said catalysts comprises a zeolite support, at least one heavy metal oxide selected from the group of oxides consisting of molybdenum, tungsten, rhenium, optionally, a heavy metal oxide from the group of elements consisting of cobalt, iron and nickel and an alkali or alkaline earth promoter which has been treated with a nitrogen-containing compound, or a thermally stable derivative thereof is provided. A method for preparing zeolite-containing catalysts by treating with volatile metal complexes at high pressure is also provided.Type: GrantFiled: April 25, 1988Date of Patent: April 18, 1989Assignee: Texaco Inc.Inventors: Ajit K. Bhattacharya, Michael S. Bolmer, Guillermo Prada-Silva