Patents by Inventor Henry N. Beck
Henry N. Beck 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: 6081941Abstract: A portable toilet seat which may be removably mounted to a receiver mount towing hitch. The portable toilet seat includes two arcuate seat members each having a first end and a second end. The first end of each is affixed to the outside face of each of two rectangular shaft components which are attached to one another by means of a hinge. The hinge allows the arcuate seat members to fold such that the arcuate seat members rest side by side for easy storage and transport.The present invention additionally provides a portable toilet seat which may be removably mounted to a receiver mount towing hitch, including two arcuate seat members and a shaft. The seat members each have a first end and a second end which are affixed to opposing sides of the rectangular shaft.Type: GrantFiled: October 15, 1998Date of Patent: July 4, 2000Inventor: Henry N. Beck, Jr.
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Patent number: 5837032Abstract: This invention relates to a method of an apparatus and method for separating component gases in a gas mixture employing a glassy polymer membrane at temperatures at or slightly above the freezing point of any liquid present so as to achieve superior separator of gas components. The composition of certain monomers and polymers are claimed.Type: GrantFiled: February 10, 1995Date of Patent: November 17, 1998Assignee: The Cynara CompanyInventors: David J. Moll, Alan F. Burmester, Thomas C. Young, Kent B. McReynolds, James E. Clark, Charles Z. Hotz, Ritchie A. Wessling, George J. Quarderer, Ronald M. Lacher, Thomas O. Jeanes, Henry N. Beck, Stephen E. Bales, Bethanne L. Smith
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Patent number: 5352272Abstract: This invention relates to a method of and apparatus for separating component gases in a gas mixture employing a glassy polymer membrane at temperatures of 5.degree. C. or less so as to achieve superior separation of gas components.Type: GrantFiled: August 13, 1992Date of Patent: October 4, 1994Assignee: The Dow Chemical CompanyInventors: David J. Moll, Alan F. Burmester, Thomas C. Young, Kent B. McReynolds, James E. Clark, Charles Z. Hotz, Ritchie A. Wessling, George J. Quarderer, Ronald M. Lacher, Stephen E. Bales, Henry N. Beck, Thomas O. Jeanes, Bethanne L. Smith
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Patent number: 5246647Abstract: The present invention relates to a process for preparing a microporous permselective membrane from a poly(phenylene sulfide) (PPS) polymer, an organic compound which substantially solubilizes the PPS below its melting point to form a homogenous mixture, heating the resulting mixture, extruding or casting the mixture into a membrane (fiber or film), quenching or coagulating the membrane, and leaching the membrane, while optionally drawing the membrane before, during, after leaching, or a combination thereof. In one embodiment, the solvent optionally includes an organic non-solvent to assist in obtaining the desired microporsity. The permselective polymers are useful to separate gaseous or liquid components from a mixture of components.Type: GrantFiled: August 19, 1991Date of Patent: September 21, 1993Assignee: The Dow Chemical CompanyInventors: Henry N. Beck, Robert D. Mahoney, Hawk S. Wan, Chieh-Chun Chau, Timothy M. Finney, Ritchie A. Wessling, Jiro Kawamoto, Mark F. Sonnenschein
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Patent number: 5200078Abstract: The invention relates to a microporous membrane prepared from unsulfonated poly(etheretherketone)-type polymers.Type: GrantFiled: November 9, 1990Date of Patent: April 6, 1993Assignee: The Dow Chemical CompanyInventors: Henry N. Beck, Richard A. Lundgard, Robert D. Mahoney
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Patent number: 5169893Abstract: The invention is composition useful for preparing articles from syndiotactic polystyrene, or a mixture of syndiotactic polystyrene and isotactic polystyrene which comprises a homogeneous mixture of;A. syndiotactic polystyrene, or a mixture of syndiotactic polystyrene and isotactic polystyrene; andB. a solvent for the polystyrene wherein said solvent is a liquid at temperatures at which articles can be formed from the polystyrene:wherein the mixture is viscous enough to form articles from the polystyrene.Type: GrantFiled: June 19, 1991Date of Patent: December 8, 1992Assignee: The Dow Chemical CompanyInventor: Henry N. Beck
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Patent number: 5071917Abstract: The invention is a crystalline fiber comprising syndiotactic polystyrene, or a mixture. Preferably the fiber is a high strength fiber isotactic polystyrene and syndiotactic polystyrene wherein the fiber is monoaxially oriented, has a tensile strength of about 10,000 psi or greater, and a modulus of about 1,000,000 psi or greater.In another aspect the invention is a process for the preparation of fibers of syndiotactic polystyrene, or a mixture of isotactic polystyrene and syndiotactic polystyrene which comprises:A. contacting syndiotactic polystyrene, or a mixture of isotactic polystyrene and syndiotactic polystyrene with a solvent for the polystyrene at elevated temperatures under conditions such that a homogenous solution is formed which has sufficient viscosity to be extruded;B. extruding the solution through an orifice to form a fiber at elevated temperatures;C. quenching the fiber by passing the fiber through one or more zones under conditions such that the fiber solidifies;D.Type: GrantFiled: August 20, 1990Date of Patent: December 10, 1991Assignee: The Dow Chemical CompanyInventors: David R. Pederson, Peter E. Pierini, Henry N. Beck, Mark J. Semer
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Patent number: 5064580Abstract: A method of preparing a microporous membrane from unsulfonated poly(etheretherketone)-type polymers.Type: GrantFiled: July 14, 1989Date of Patent: November 12, 1991Assignee: The Dow Chemical CompanyInventors: Henry N. Beck, Richard A. Lundgard, Robert D. Mahoney
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Patent number: 5057600Abstract: The present invention relates to a process for the production of an article comprising a polymer itself comprising poly(etheretherketone), which process comprises:A. contacting poly(etheretherketone) with at least one organic compound, consisting essentially of carbon and hydrogen, and optionally oxygen, nitrogen, sulfur, halogen, or mixtures thereof having a molecular weight of between about 160 and 450 daltons and having at least one six membered aromatic ring structure, which compound is stable at a temperature of between 240.degree. and 400.degree. C. at ambient pressure, at a temperature of between about 240.degree. and 400.degree. C. at ambient pressure for a time effective to dissolve greater than about 10 percent by weight of the poly(etheretherketone) present;B. forming the solution of poly(etheretherketone) and solvent of step (A) into a desired article configuration;C. removing the solvent; andD. recovering the article comprising poly(etheretherketone) formed thereby.Type: GrantFiled: October 9, 1987Date of Patent: October 15, 1991Assignee: The Dow Chemical CompanyInventors: Henry N. Beck, Richard A. Lundgard
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Patent number: 5043112Abstract: The present invention pertains to a process for the production of an article comprising a polymer itself comprising poly(phenylene sulfide), which process comprises:A. contacting poly(phenylene sulfide) with at least one organic compound, consisting essentially of carbon and hydrogen, and optionally oxygen, nitrogen, sulfur, halogen, or mixtures thereof, having a molecular weight of between about 110 and 450 daltons and having at least one six membered aromatic ring structure, which compound is stable at a temperature of between 160.degree. and 400.degree. C. at ambient pressure, at a temperature of between about 160.degree. and 400.degree. C. at ambient pressure for a time effective to dissolve greater than 10 percent by weight of the poly(phenylene sulfide) present, with the proviso that when oxygen is present, the organic compound is not diphenyl oxide or substituted diphenyl oxide;B. forming the solution of poly(phenylene sulfide) and solvent of Step (A) into a desired article configuration;C.Type: GrantFiled: March 28, 1989Date of Patent: August 27, 1991Assignee: The Dow Chemical CompanyInventor: Henry N. Beck
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Patent number: 5015275Abstract: This invention relates to semi-permeable isotropic syndiotactic polystyrene microporous membranes and processes for preparing such membranes.Type: GrantFiled: July 14, 1989Date of Patent: May 14, 1991Assignee: The Dow Chemical CompanyInventors: Henry N. Beck, Robert D. Mahoney, Hawk S. Wan, Richard A. Lundgard
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Patent number: 4980101Abstract: This invention relates to semi-permeable anisotropic syndiotatic polystyrene microporous membranes and a process for preparing such membranes.Type: GrantFiled: July 14, 1989Date of Patent: December 25, 1990Assignee: The Dow Chemical CompanyInventors: Henry N. Beck, Robert D. Mahoney, Hawk S. Wan, Richard A. Lundgard
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Patent number: 4976901Abstract: This invention relates to novel semi-permeable isotropic or anisotropic microporous membranes fabricated from a mixture of isotactic polystyrene and syndiotactic polystyrene and a method of producing such membranes.Type: GrantFiled: February 8, 1990Date of Patent: December 11, 1990Assignee: The Dow Chemical CompanyInventors: Henry N. Beck, Robert D. Mahoney
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Patent number: 4975228Abstract: A process for the preparation of a membrane comprising bisphenol-based polycabonate wherein at least 25 percent by weight of the bisphenol moieties are tetrahalogenated wherein the halogen is Cl or Br, and the membrane prepared by such process.Type: GrantFiled: July 29, 1988Date of Patent: December 4, 1990Assignee: The Dow Chemical CompanyInventors: Edgar S. Sanders, Jr., Hawk S. Wan, Henry N. Beck
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Patent number: 4962131Abstract: The invention is a composition useful for the preparation of POWADIR membranes of a bisphenol-based polycarbonate wherein at least 25 percent by weight of the bisphenol moieties are tetrahalogenated, wherein the halogen is Cl or Br, the composition comprising (i) a bisphenol-based polycarbonate wherein at least 25 percent by weight of the bisphenol moieties are tetrahalogenated, wherein the halogen is Cl or Br, (ii) a solvent for such polycarbonate, and (iii) a non-solvent for such polycarbonate. The composition is useful for extruding membranes wherein the membranes formed are POWADIR membranes with a discriminating region capable of separating oxygen from nitrogen.The composition of this invention allows the formation of membranes with excellent physical properties, good separation factors for oxygen and nitrogen, with excellent fluxes.Type: GrantFiled: November 6, 1987Date of Patent: October 9, 1990Assignee: The Dow Chemical CompanyInventors: Henry N. Beck, Edgar S. Sanders, Jr., G. Glenn Lipscomb, II
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Semi-permeable hollow fiber gas separation membranes possessing a non-external discriminating region
Patent number: 4955993Abstract: The invention is a semi-permeable hollow fiber gas separation membrane possessing a non-external discriminating region fabricated from hydrophobic polymeric materials possessing less than about 1 weight percent equilibrium water content at about 25.degree. C. The invention includes a process for making such membranes as well as a method of using such membranes.Type: GrantFiled: July 31, 1989Date of Patent: September 11, 1990Assignee: The Dow Chemical CompanyInventors: Edgar S. Sanders, Jr., John A. Jensvold, Daniel O. Clark, Frederick L. Coan, Henry N. Beck, William E. Mickols, Peter K. Kim, Wudneh Admassu -
Patent number: 4927535Abstract: This invention relates to novel semi-permeable isotropic or anisotropic microporous membranes fabricated from a mixture of isotactic polystyrene and syndiotactic polystyrene and a method of producing such membranes.Type: GrantFiled: July 14, 1989Date of Patent: May 22, 1990Assignee: The Dow Chemical CompanyInventors: Henry N. Beck, Robert D. Mahoney
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Patent number: 4904426Abstract: A process for preparing microporous poly(etheretherketone)-type fibers comprising forming an extrusion mixture of at least one unsulphonated poly(etheretherketone)-type polymer and a solvent comprising at least one organic compound consisting predominantly of carbon and hydrogen, wherein the organic compound has a molecular weight of between about 160 and 450, contains at least one six membered aromatic ring structure, possesses a boiling point of between about 240 and 480 degrees Celsius, and is capable of dissolving at least about 10 weight percent of the poly(etheretherketone)-type polymer present at the extrusion temperature, extruding to form solid or hollow fibers, conveying the fibers through at least one quench zone, conveying the fibers through at least one leach zone, and drying the fibers, wherein the fibers so formed possess interconnecting or non-interconnecting pores.Type: GrantFiled: March 31, 1988Date of Patent: February 27, 1990Assignee: The Dow Chemical CompanyInventors: Richard A. Lundgard, Henry N. Beck
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Patent number: 4897307Abstract: The present invention relates to a process for the solvent-induced crystallization of amorphous poly(etheretherketone)-type polymer to produce an article, which process comprises:A. contacting a preformed article of a polymer comprising amorphous poly(etheretherketone)-type polymer with at least one organic compound in its liquid state which consists essentially of atoms of carbon and hydrogen, optionally with oxygen, nitrogen, sulfur, halogen or mixtures thereof having a molecular weight of between about 160 and 320 daltons at a temperature of between about 85.degree. C. and 145.degree. C. for a time effective to crystallize the poly(etheretherketone)-type polymer,B. removing the organic compound, andC. recovering the article comprising crystallized poly(etheretherketone)-type polymer. Poly(etheretherketone), poly(phenylenesulfide) or mixtures thereof are preferred polymer systems.Type: GrantFiled: August 11, 1987Date of Patent: January 30, 1990Assignee: The Dow Chemical CompanyInventors: Henry N. Beck, Robert M. Nowak
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Patent number: 4772392Abstract: The invention is a process for the preparation of a POWADIR membrane comprising bisphenol-based polycarbonates wherein at least 25 percent by weight of the bisphenol moieties are tetrahalogenated wherein the halogen is Cl or Br, and the membrane prepared by such process.Type: GrantFiled: November 6, 1987Date of Patent: September 20, 1988Assignee: The Dow Chemical CompanyInventors: Edgar S. Sanders, Jr., Daniel O. Clark, John A. Jensvold, Henry N. Beck, G. Glenn Lipscomb, II, Frederick L. Coan