Patents by Inventor Louis C. Pizzini
Louis C. Pizzini 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: 4487853Abstract: A polyether-ester polyol containing a high primary hydroxyl content is prepared employing low amounts of ethylene oxide. The polyurethane foams prepared from these products display improved physical properties with good air flow.Type: GrantFiled: December 27, 1983Date of Patent: December 11, 1984Assignee: BASF Wyandotte CorporationInventors: Curtis J. Reichel, William W. Levis, Jr., Louis C. Pizzini
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Patent number: 4430247Abstract: An oxyalkylated product useful for making polyurethane foams is prepared by reacting an alkylene oxide with a heated mixture of a phenol and a non-phenolic active hydrogen compound, at least one of which can be halogenated, in the presence of a catalyst complex of a phenol and an iron or aluminum substance. The mixture can also include a neutral phosphorus compound and/or acid anhydrides to enhance flame retardant properties. Optionally, also, the oxyalkylation reaction can be terminated by adding a tri (lower alkyl) amine and alkylene oxide to react with residual phenolic hydrogen in the mixture.Type: GrantFiled: September 29, 1977Date of Patent: February 7, 1984Assignee: BASF Wyandotte CorporationInventors: Arthur L. Austin, William W. Levis, Jr., Louis C. Pizzini, Robert J. Hartman
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Patent number: 4187357Abstract: An oxyalkylated product useful for making polyurethane foams is prepared by reacting an alkylene oxide with a heated mixture of a phenol and a non-phenolic active hydrogen compound, at least one of which can be halogenated, in the presence of a catalyst complex of a phenol and an iron or aluminum substance. The mixture can also include a neutral phosphorus compound and/or acid anhydrides to enhance flame retardant properties. Optionally, also, the oxyalkylation reaction can be terminated by adding a tri (lower alkyl) amine and alkylene oxide to react with residual phenolic hydrogen in the mixture.Type: GrantFiled: April 13, 1978Date of Patent: February 5, 1980Assignee: BASF Wyandotte CorporationInventors: Arthur L. Austin, William W. Levis, Jr., Louis C. Pizzini, Robert J. Hartman
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Patent number: 4177335Abstract: An oxyalkylated product useful for making polyurethane foams is prepared by reacting an alkylene oxide with a heated mixture of a phenol and a non-phenolic active hydrogen compound, at least one of which can be halogenated, in the presence of a catalyst complex of a phenol and an iron or aluminum substance. The mixture can also include a neutral phosphorus compound and/or acid anhydrides to enhance flame retardant properties. Optionally, also, the oxyalkylation reaction can be terminated by adding a tri (lower alkyl) amine and alkylene oxide to react with residual phenolic hydrogen in the mixture.Type: GrantFiled: April 14, 1978Date of Patent: December 4, 1979Assignee: BASF Wyandotte CorporationInventors: Arthur L. Austin, William W. Levis, Jr., Louis C. Pizzini, Robert J. Hartman
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Patent number: 4144395Abstract: Polyether-ester polyols are prepared in the presence of from 0.005 percent to 0.01 percent by weight (50-100 ppm) of a trialkylamine. The resulting polyols have improved color and are obtained in markedly reduced reaction times.Type: GrantFiled: December 5, 1977Date of Patent: March 13, 1979Assignee: BASF Wyandotte CorporationInventors: John R. Murphy, Louis C. Pizzini
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Polyurethane foams prepared from condensation products of amines, epihalohydrins and alkylene oxides
Patent number: 4133780Abstract: Oxyalkylated condensation products prepared from aliphatic and aromatic amines, epihalohydrin and alkylene oxides are used in the preparation of polyurethane foams.Type: GrantFiled: June 14, 1977Date of Patent: January 9, 1979Assignee: BASF Wyandotte CorporationInventors: Richard A. Moore, Louis C. Pizzini, John T. Patton, Jr. -
Patent number: 4105597Abstract: An oxyalkylated product useful for making polyurethane foams is prepared by reacting an alkylene oxide with a heated mixture of a phenol and a non-phenolic active hydrogen compound, at least one of which can be halogenated, in the presence of a catalyst complex of a phenol and an iron or aluminum substance. The mixture can also include a neutral phosphorus compound and/or acid anhydrides to enhance flame retardant properties. Optionally, also, the oxyalkylation reaction can be terminated by adding a tri (lower alkyl) amine and alkylene oxide to react with residual phenolic hydrogen in the mixture.Type: GrantFiled: August 15, 1977Date of Patent: August 8, 1978Assignee: BASF Wyandotte CorporationInventors: Arthur L. Austin, William W. Levis, Jr., Louis C. Pizzini, Robert J. Hartman
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Patent number: 4097399Abstract: An oxyalkylated product useful for making polyurethane foams is prepared by reacting an alkylene oxide with a heated mixture of a phenol and a non-phenolic active hydrogen compound, at least one of which can be halogenated, in the presence of a catalyst complex of a phenol and an iron or aluminum substance. The mixture can also include a neutral phosphorus compound and/or acid anhydrides to enhance flame retardant properties. Optionally, also, the oxyalkylation reaction can be terminated by adding a tri (lower alkyl) amine and alkylene oxide to react with residual phenolic hydrogen in the mixture.Type: GrantFiled: June 25, 1975Date of Patent: June 27, 1978Assignee: BASF Wyandotte CorporationInventors: Arthur L. Austin, William W. Levis, Jr., Louis C. Pizzini, Robert J. Hartman
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Patent number: 4093573Abstract: Low-viscous, stable polymer dispersions are prepared by blending a hydroxy-containing finely-divided solid polymer with a polyol having an equivalent weight between 500 and 10,000. The resulting dispersions are particularly useful in the preparation of polyurethanes having enhanced physical properties particularly load bearing or hardness, tensile strength and tear resistance.Type: GrantFiled: January 17, 1977Date of Patent: June 6, 1978Assignee: BASF Wyandotte CorporationInventors: Gerhard G. Ramlow, Louis C. Pizzini, John T. Patton, John R. Murphy
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Patent number: 4052345Abstract: An oxyalkylated product useful for making polyurethane foams is prepared by reacting an alkylene oxide with a heated mixture of a phenol and a non-phenolic active hydrogen compound, at least one of which can be halogenated, in the presence of a catalyst complex of a phenol and an iron or aluminum substance. The mixture can also include a neutral phosphorus compound and/or acid anhydrides to enhance flame retardant properties. Optionally, also, the oxyalkylation reaction can be terminated by adding a tri (lower alkyl) amine and alkylene oxide to react with residual phenolic hydrogen in the mixture.Type: GrantFiled: June 25, 1975Date of Patent: October 4, 1977Assignee: BASF Wyandotte CorporationInventors: Arthur L. Austin, William W. Levis, Jr., Louis C. Pizzini, Robert J. Hartman
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Patent number: 4014846Abstract: Low-viscous, stable polymer dispersions are prepared by blending a hydroxy-containing finely divided solid polymer with a polyol having an equivalent weight between 500 and 10,000. The resulting dispersions are particularly useful in the preparation of polyurethanes having enhanced physical properties particularly load bearing or hardness, tensile strength and tear resistance.Type: GrantFiled: April 29, 1974Date of Patent: March 29, 1977Assignee: BASF Wyandotte CorporationInventors: Gerhard G. Ramlow, Louis C. Pizzini, John T. Patton, Jr., John R. Murphy
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Patent number: 3981828Abstract: Flexible cellular foam compositions are prepared by reacting in the presence of water an organic compound having at least two active hydrogen atoms with an organic polyisocyanate employing an isocyanate index of from about 130 to about 225 in the presence of a catalytically sufficient amount of certain isocyanate trimerization catalysts. The resulting foam compositions exhibit excellent flame retardant properties.Type: GrantFiled: April 12, 1974Date of Patent: September 21, 1976Assignee: BASF Wyandotte CorporationInventors: John G. Demou, Louis C. Pizzini, John T. Patton, Jr.
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Patent number: 3966521Abstract: Composites based on polyurethane foams heat sealed to a substrate are prepared from polyurethane foams employing a graft polyol as a component of the foam-forming reaction mixture. The resulting composites possess exceptional bonding strength.Type: GrantFiled: June 16, 1975Date of Patent: June 29, 1976Assignee: BASF Wyandotte CorporationInventors: John T. Patton, Jr., Louis C. Pizzini, John G. Demou, Gerhard G. Ramlow
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Patent number: 3957922Abstract: An oxyalkylated product useful for making polyurethane foams is prepared by reacting an alkylene oxide with a heated mixture of a phenol and a non-phenolic active hydrogen compound, at least one of which can be halogenated, in the presence of a catalyst complex of a phenol and an iron or aluminum substance. The mixture can also include a neutral phosphorus compound and/or acid anhydrides to enhance flame retardant properties. Optionally, also, the oxyalkylation reaction can be terminated by adding a tri (lower alkyl) amine and alkylene oxide to react with residual phenolic hydrogen in the mixture.Type: GrantFiled: December 17, 1973Date of Patent: May 18, 1976Assignee: BASF Wyandotte CorporationInventors: Arthur L. Austin, William W. Levis, Jr., Louis C. Pizzini, Robert J. Hartman
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Patent number: 3953393Abstract: Graft copolymer dispersions of improved viscosity and superior particle size distribution are prepared by the in situ polymerization of vinyl monomers in unsaturation-containing polyols in the presence of a free-radical catalyst and certain chain transferring agents at temperatures below 100.degree. C. The dispersions are low viscous liquids which may be advantageously employed in the preparation of polyurethanes.Type: GrantFiled: January 7, 1974Date of Patent: April 27, 1976Assignee: BASF Wyandotte CorporationInventors: Gerhard G. Ramlow, Louis C. Pizzini, John T. Patton, Jr.
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Patent number: 3950317Abstract: Graft copolymer dispersions of low viscosity and improved particle size distribution are prepared by mixing a free radical catalyst and a vinyl monomer in a static mixer and thereafter adding the catalyst-monomer mix to a polyol. The dispersions are low viscous liquids which may be advantageously employed in the preparation of polyurethanes.Type: GrantFiled: October 29, 1973Date of Patent: April 13, 1976Assignee: BASF Wyandotte CorporationInventors: John T. Patton, Jr., Gerhard G. Ramlow, Louis C. Pizzini
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Patent number: 3931092Abstract: Finely-divided dispersed solids are prepared by polymerizing in the presence of a free radical catalyst and an organic solvent a major amount of an ethylenically unsaturated monomer or mixture of monomers and a minor amount of a hydroxy-terminated organic compound having from one to eight hydroxyl groups, an equivalent weight of from 500 to 10,000 and containing a polymerizable carbon-to-carbon double bond. The resulting polymeric solids are particularly useful in the preparation of reinforced polymer compositions.Type: GrantFiled: April 29, 1974Date of Patent: January 6, 1976Assignee: BASF Wyandotte CorporationInventors: Gerhard G. Ramlow, Louis C. Pizzini, John T. Patton, Jr., John R. Murphy
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Patent number: 3931450Abstract: Composites based on polyurethane foams heat sealed to a substrate are prepared from polyurethane foams employing a graft polyol as a component of the foam-forming reaction mixture. The resulting composites possess exceptional bonding strength.Type: GrantFiled: October 10, 1974Date of Patent: January 6, 1976Assignee: BASF Wyandotte CorporationInventors: John T. Patton, Jr., Louis C. Pizzini, John G. Demou, Gerhard G. Ramlow
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Patent number: RE29014Abstract: Highly-stable graft copolymer dispersions are prepared by the in situ polymerization in the presence of a free radical catalyst of a vinyl monomer in a polyol containing an essential amount of unsaturation. The dispersions are low-viscous liquids which may be advantageously employed in the preparation of flexible urethane foams having enhanced load-bearing properties.Type: GrantFiled: August 25, 1975Date of Patent: October 26, 1976Assignee: BASF Wyandotte CorporationInventors: Louis C. Pizzini, Gerhard G. Ramlow, John T. Patton, Jr., William W. Levis, Jr.