Patents by Inventor Nai Z. Huang

Nai Z. Huang 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).

  • Patent number: 8383713
    Abstract: The water-resistance properties of polyester-based polyurethanes are remarkably enhanced, without adversely affecting the transparency properties of these materials to any significant degree, by including in the polymer a substantially dispersed nano-particle proton scavenger. The hydrolytic stability and water-resistance properties of polyester-based polyurethanes are remarkably enhanced and match those of polycarbonate-based polyurethanes, without adversely affecting the transparency of these materials to any significant degree, by including in the polymer a substantially dispersed nano-particle proton scavenger such as calcium carbonate.
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: February 26, 2013
    Assignee: Lubrizol Advanced Materials, Inc.
    Inventors: Alexander V. Lubnin, Elizabeth A. Flores, Gregory R. Brown, Nai Z. Huang
  • Publication number: 20110046286
    Abstract: The water-resistance properties of polyester-based polyurethanes are remarkably enhanced, without adversely affecting the transparency properties of these materials to any significant degree, by including in the polymer a substantially dispersed nano-particle proton scavenger. The hydrolytic stability and water-resistance properties of polyester-based polyurethanes are remarkably enhanced and match those of polycarbonate-based polyurethanes, without adversely affecting the transparency of these materials to any significant degree, by including in the polymer a substantially dispersed nano-particle proton scavenger such as calcium carbonate.
    Type: Application
    Filed: August 20, 2010
    Publication date: February 24, 2011
    Applicant: LUBRIZOL ADVANCED MATERIALS, INC.
    Inventors: Alexander V. Lubnin, Elizabeth A. Flores, Gregory R. Brown, Nai Z. Huang
  • Publication number: 20100161029
    Abstract: The present invention relates to a stable multiple water-in-oil-in-water emulsion comprising: A multiple water-in-oil-in-water emulsion composition comprising: (1) A discontinuous phase, wherein that discontinuous phase is an internal water-in-oil emulsion comprising a) a water discontinuous phase, b) an oil continuous phase, c) a polyisobutenyl succinic anhydride-derived emulsifier(s) and/or a polyisobutylene derived emulsifier(s) d) optionally a co-emulsifier and e) optionally thickeners for the discontinuous phase a); and (2) A continuous phase, wherein that continuous phase is an external aqueous phase comprising: a) water b) an oil-in-water emulsifier and c) optionally thickeners for the external aqueous phase resulting in a stable water-in-oil-in-water multiple emulsion. The multiple emulsions are useful for personal care products.
    Type: Application
    Filed: May 7, 2004
    Publication date: June 24, 2010
    Inventors: Brian B. Filippini, Nai Z. Huang, Jeffrey M. Carey, John J. Mullay
  • Patent number: 6403725
    Abstract: Disclosed is a metal containing polymer composition comprising; a metal overbased imide or ester functionalized polymer prepared by reacting (A) a polymer comprising (A1) an acidic functionalized polymer or ester functionalized polymer; (A2) an acidic mixed ester-acid of a carboxy containing interpolymer; or (A3) an ester functionalized polymer comprising a lactone and (B) a metal overbased composition that contains a reactive basic functionality comprising (B1) a metal overbased amine wherein the reactive basic functionality is a primary or secondary amino group; (B2) a metal overbased hydroxy substituted carboxylic acid wherein the reactive basic functionality is a hydroxy group; or (B3) a metal overbased dispersant wherein the reactive basic functionality is a primary or secondary amino group.
    Type: Grant
    Filed: August 20, 1999
    Date of Patent: June 11, 2002
    Assignee: The Lubrizol Corporation
    Inventors: Nai Z. Huang, Richard M. Lange
  • Patent number: 6001782
    Abstract: An antiwear/extreme pressure composition is disclosed that comprises a metal overbased amine of the structureR.sup.1 R.sup.2 NH(MA).sub.xwherein R.sup.1 and R.sup.2 are each independently hydrogen, or a hydrocarbyl group, amino-substituted hydrocarbyl group, hydroxy-substituted hydrocarbyl group, alkoxy-substituted hydrocarbyl group or amino groups wherein the hydrocarbyl group contains from 4 to 50 carbon atoms, provided that R.sup.1 and R.sup.2 are not both hydrogen, M is a metal, A is carbonate, sulfite, sulfate, thiosulfate, phosphite, phosphate, or mixtures thereof, and x has a value of from 1.1 to 40;wherein said metal overbased amine is reacted with carbon disulfide to form a sulfur derivative of a metal overbased amine, an epoxide followed by phosphorus pentoxide to form a phosphorus derivative of a metal overbased amine or wherein the sulfur derivative is further reacted with an epoxide followed by phosphorus pentoxide to form a sulfur and phosphorus derivative of a metal overbased amine.
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: December 14, 1999
    Assignee: The Lubrizol Corporation
    Inventor: Nai Z. Huang
  • Patent number: 5562742
    Abstract: This invention relates to copper-containing organometallic complexes, and to concentrates and diesel fuels containing said complexes. The diesel fuels are useful with diesel engines equipped with exhaust system particulate traps. The copper-containing organometallic complex is used for lowering the ignition temperature of exhaust particles collected in the trap. The copper-containing organometallic complex is soluble or stably dispersible in the diesel fuel and is derived from (i) an organic compound containing at least two functional groups attached to a hydrocarbon linkage, and (ii) a copper-containing metal reactant capable of forming a complex with the organic compound (i). The functional groups are .dbd.X, --XR, --NR., --NO., .dbd.NR, .dbd.NXR, .dbd.N--R*--XR, ##STR1## --CN, --N.dbd.NR or --N.dbd.CR.; wherein X is O or S, R is H or hydrocarbyl, R* is hydrocarbylene or hydrocarbylidene, and a is a number (e.g., zero to about 10).
    Type: Grant
    Filed: June 23, 1994
    Date of Patent: October 8, 1996
    Assignee: The Lubrizol Corporation
    Inventors: Christopher J. Kolp, Daniel T. Daly, Nai Z. Huang, Scott T. Jolley, Frederick W. Koch, Stephen H. Stoldt, Reed H. Walsh, Richard A. Denis
  • Patent number: 5556569
    Abstract: Organic compounds having at least one hydrocarbyl group and a polar group containing at least one nitrogen, oxygen, or sulfur atom, being free from acidic hydrogen atoms and from functional groups which provide such organic compounds with acidic hydrogen atoms upon hydrolysis, can be overbased by treatment with an metallic base and a low molecular weight acid, to provide useful lubricant additives.
    Type: Grant
    Filed: April 6, 1995
    Date of Patent: September 17, 1996
    Assignee: The Lubrizol Corporation
    Inventor: Nai Z. Huang
  • Patent number: 5534039
    Abstract: This invention relates to combinations of (A) organometallic complexes and (B) antioxidants. These combinations can be used in diesel fuels for operating diesel engines equipped with exhaust system particulate traps. The combination of (A) and (B) is useful in lowering the ignition temperature of exhaust particles collected in the trap. The organometallic complex (A) is soluble or stably dispersible in the diesel fuel and is derived from (i) an organic compound containing at least two functional groups attached to a hydrocarbon linkage, and (ii) a metal reactant capable of forming a complex with the organic compound (i), the metal being any metal capable of reducing the ignition temperature of the exhaust particles. The functional groups include .dbd.X, --XR, --NR.sub.2, --NO.sub.2, .dbd.NR, .dbd.NXR, .dbd.N--R*--XR, ##STR1## --CN, --N.dbd.NR and --N.dbd.CR.sub.2 ; wherein X is O or S, R is H or hydrocarbyl, R* is hydrocarbylene or hydrocarbylidene, and a is a number (e.g., zero to about 10).
    Type: Grant
    Filed: June 24, 1994
    Date of Patent: July 9, 1996
    Assignee: The Lubrizol Corporation
    Inventors: Nai Z. Huang, Daniel T. Daly, Frederick W. Koch, Stephen H. Stoldt, Reed H. Walsh
  • Patent number: 5518510
    Abstract: This invention relates to low-sulfur diesel fuels which are useful with diesel engines equipped with exhaust system particulate traps. These fuels contain an effective mount of an organometallic complex to lower the ignition temperature of exhaust particles collected in the trap. The sulfur content of these diesel fuels is no more than about 0.1% by weight, preferably no more than about 0.05% by weight. The organometallic complex is soluble or stably dispersible in the diesel fuel and is derived from (i) an organic compound containing at least two functional groups attached to a hydrocarbon linkage, and (ii) a metal reactant capable of forming a complex with the organic compound (i), the metal being any metal capable of reducing the ignition temperature of the exhaust particles. The functional groups include .dbd.X, --XR, --NR.sub.2, --NO.sub.2, .dbd.NR, .dbd.NXR, .dbd.N--R*--XR, ##STR1## --CN, --N.dbd.NR and --N.dbd.CR.sub.
    Type: Grant
    Filed: October 24, 1994
    Date of Patent: May 21, 1996
    Assignee: The Lubrizol Corporation
    Inventors: Daniel T. Daly, Paul E. Adams, Nai Z. Huang, Scott T. Jolley, Frederick W. Koch, Christopher J. Kolp, Stephen H. Stoldt, Reed H. Walsh, Richard A. Denis, Dennis M. Dishong
  • Patent number: 5484542
    Abstract: This invention relates to a composition comprising at least one sulfurized overbased product made by contacting (A) at least one overbased product or (A') at least one boron-containing overbased product with (B) sulfur and/or at least one source of sulfur; said overbased product (A) or boron-containing overbased product (A') being made using at least one acidic material, with the proviso that when said acidic material is other than SO.sub.2 or a source of SO.sub.2 said overbased product (A) or boron-containing overbased product (A') is contacted with an effective amount of SO.sub.2 or a source of SO.sub.2 to displace at least part of said acidic material. In one embodiment the sulfurized overbased product is an overbased thiosulfate or a boron-containing overbased thiosulfate. In one embodiment, the sulfurized overbased product is made using the overbased product (A) and the composition further comprises at least one non-sulfurized boron-containing overbased product.
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: January 16, 1996
    Assignee: The Lubrizol Corporation
    Inventors: John M. Cahoon, Jack L. Karn, Nai Z. Huang, James P. Roski
  • Patent number: 5464548
    Abstract: The invention includes a lubricating composition comprising a major amount of an oil of lubricating viscosity, and a minor amount of (A) a sulfite or sulfate overbased or borated overbased metal salt of an acidic organic compound, wherein the lubricating composition contains less than 1.5% by weight of the reaction product of a polyisobutene substituted succinic anhydride and a polyamine, and provided that when (A) is a sulfate overbased or borated overbased metal salt, then the lubricating composition includes (B) at least one phosphorous of boron antiwear/extreme pressure agent, or (C) a sulfur compound. The invention also includes grease and functional fluids containing the sulfite and sulfate overbased metal salts. These composition have improved antiwear, antiweld, and extreme pressure properties.
    Type: Grant
    Filed: August 11, 1994
    Date of Patent: November 7, 1995
    Assignee: The Lubrizol Corporation
    Inventors: John M. Cahoon, Jack L. Karn, Nai Z. Huang
  • Patent number: 5376154
    Abstract: This invention relates to low-sulfur diesel fuels which are useful with diesel engines equipped with exhaust system particulate traps. These fuels contain an effective amount of an organometallic complex to lower the ignition temperature of exhaust particles collected in the trap. The sulfur content of these diesel fuels is no more than about 0.1% by weight, preferably no more than about 0.05% by weight. The organometallic complex is soluble or stably dispersible in the diesel fuel and is derived from (i) an organic compound containing at least two functional groups attached to a hydrocarbon linkage, and (ii) a metal reactant capable of forming a complex with the organic compound (i), the metal being any metal capable of reducing the ignition temperature of the exhaust particles. The functional groups include .dbd.X, --XR, --NR.sub.2, --NO.sub.2, .dbd.NR, .dbd.NXR, .dbd.N--R*--XR, ##STR1## --CN, --N.dbd.NR and --N.dbd.CR.sub.
    Type: Grant
    Filed: September 3, 1991
    Date of Patent: December 27, 1994
    Assignee: The Lubrizol Corporation
    Inventors: Daniel T. Daly, Paul E. Adams, Nai Z. Huang, Scott T. Jolley, Frederick W. Koch, Christopher J. Kolp, Stephen H. Stoldt, Reed H. Walsh, Richard A. Denis, Dennis M. Dishong
  • Patent number: 5360459
    Abstract: This invention relates to copper-containing organometallic complexes, and to concentrates and diesel fuels containing said complexes. The diesel fuels are useful with diesel engines equipped with exhaust system particulate traps. The copper-containing organometallic complex is used for lowering the ignition temperature of exhaust particles collected in the trap. The copper-containing organometallic complex is soluble or stably dispersible in the diesel fuel and is derived from (i) an organic compound containing at least two functional groups attached to a hydrocarbon linkage, and (ii) a copper-containing metal reactant capable of forming a complex with the organic compound (i). The functional groups are .dbd.X, --XR, --NR.sub.2, --NO.sub.2, .dbd.NR, .dbd.NXR, .dbd.N--R*--XR, ##STR1## --CN, --N.dbd.NR or --N.dbd.CR.sub.2 ; wherein X is O or S, R is H or hydrocarbyl, R* is hydrocarbylene or hydrocarbylidene, and a is a number (e.g., zero to about 10).
    Type: Grant
    Filed: May 13, 1991
    Date of Patent: November 1, 1994
    Assignee: The Lubrizol Corporation
    Inventors: Christopher J. Kolp, Daniel T. Daly, Nai Z. Huang, Scott T. Jolley, Frederick W. Koch, Stephen H. Stoldt, Reed H. Walsh, Richard A. Denis
  • Patent number: 5354485
    Abstract: This invention relates to a composition comprising a major amount of an oil of lubricating viscosity, and (A) an organic ammonium thiosulfate. The lubricating composition is either free of added lead containing compounds or additionally contains (B) a phosphorus or boron antiwear/extreme pressure agent, or both. The invention also includes greases and aqueous fluids containing organic ammonium thiosulfates. These compositions have improved antiwear, antiweld, extreme pressure and/or friction properties.
    Type: Grant
    Filed: March 26, 1993
    Date of Patent: October 11, 1994
    Assignee: The Lubrizol Corporation
    Inventors: Craig D. Tipton, Daniel E. Barrer, Nai Z. Huang, John M. Cahoon
  • Patent number: 5348559
    Abstract: This invention relates to copper-containing aromatic Mannich complexes, and to concentrates and diesel fuels containing said complexes. The diesel fuels are useful with diesel engines equipped with exhaust system particulate traps. The copper-containing aromatic Mannich complex is used for lowering the ignition temperature of exhaust particles collected in the trap. The copper-containing aromatic Mannich complex is made by contacting either component (A) or component (B) with component (C); ##STR1## wherein R.sup.1 is an alkyl group of 1 to about 6 carbon atoms, and R.sup.2 is a saturated or unsaturated aliphatic hydrocarbyl group of about 16 to about 20 carbon atoms;component (B) being a mixture of (B)(I) and (B)(II), component (B)(I) being at least one compound represented by the formula ##STR2## wherein R.sup.3 is an alkyl group of about 9 to about 18 carbon atoms, R.sup.4 is an alkylene group of 1 to about 4 carbon atoms, and R.sup.
    Type: Grant
    Filed: October 26, 1993
    Date of Patent: September 20, 1994
    Assignee: The Lubrizol Corporation
    Inventors: Nai Z. Huang, Christopher I. Kolp, Christopher R. Sgarlata
  • Patent number: 5344467
    Abstract: This invention relates to combinations of (A) organometallic complexes and (B) antioxidants. These combinations can be used in diesel fuels for operating diesel engines equipped with exhaust system particulate traps. The combination of (A) and (B) is useful in lowering the ignition temperature of exhaust particles collected in the trap. The organometallic complex (A) is soluble or stably dispersible in the diesel fuel and is derived from (i) an organic compound containing at least two functional groups attached to a hydrocarbon linkage, and (ii) a metal reactant capable of forming a complex with the organic compound (i), the metal being any metal capable of reducing the ignition temperature of the exhaust particles. The functional groups include .dbd.X, --XR, --NR.sub.2, --NO.sub.2, .dbd.NR, .dbd.NXR, .dbd.N--R*--XR, ##STR1## --CN, --N.dbd.NR and --N.dbd.CR.sub.2 ; wherein X is O or S, R is H or hydrocarbyl, R* is hydrocarbylene or hydrocarbylidene, and a is a number (e.g., zero to about 10).
    Type: Grant
    Filed: May 13, 1991
    Date of Patent: September 6, 1994
    Assignee: The Lubrizol Corporation
    Inventors: Nai Z. Huang, Paul E. Adams, Daniel T. Daly, Scott T. Jolley, Frederick W. Koch, Christopher J. Kolp, Stephen H. Stoldt, Reed H. Walsh, Richard A. Denis
  • Patent number: 5340369
    Abstract: This invention relates to diesel fuels which are useful with diesel engines equipped with exhaust system particulate traps. These fuels contain an effective amount of an organometallic complex to lower the ignition temperature of exhaust particles collected in the trap. The organometallic complex is soluble or stably dispersible in the diesel fuel and is derived from (i) an organic compound containing at least two functional groups attached to a hydrocarbon linkage, and (ii) a metal reactant capable of forming a complex with the organic compound (i), the metal being any metal capable of reducing the ignition temperature of the exhaust particles. The functional groups include .dbd.X, --XR, ##STR1## --CN, --N.dbd.NR and --N.dbd.CR.sub.2 ; wherein X is O or S, R is H or hydrocarbyl, R* is hydrocarbylene or hydrocarbylidene, and a is a number (e.g., zero to about 10). Useful metals include Na, K, Mg, Ca, Sr, Ba, V, Cr, Mo, Fe, Co, Cu, Zn, B, Pb, Sb, and mixtures of two or more thereof.
    Type: Grant
    Filed: May 13, 1991
    Date of Patent: August 23, 1994
    Assignee: The Lubrizol Corporation
    Inventors: Frederick W. Koch, Daniel T. Daly, Nai Z. Huang, Scott T. Jolley, Christopher J. Kolp, Stephen H. Stoldt, Richard A. Denis
  • Patent number: 5279627
    Abstract: This invention relates to copper-containing aromatic Mannich complexes, and to concentrates and diesel fuels containing said complexes. The diesel fuels are useful with diesel engines equipped with exhaust system particulate traps. The copper-containing aromatic Mannich complex is used for lowering the ignition temperature of exhaust particles collected in the trap. The copper-containing aromatic Mannich complex is made by contacting either component (A) or component (B) with component (C);component (A) being at least one compound represented by the formula ##STR1## wherein R.sup.1 is an alkyl group of 1 to about 6 carbon atoms, and R.sup.2 is a saturated or unsaturated aliphatic hydrocarbyl group of about 16 to about 20 carbon atoms;component (B) being a mixture of (B)(I) and (B)(II), component (B)(I) being at least one compound represented by the formula ##STR2## wherein R.sup.3 is an alkyl group of about 9 to about 18 carbon atoms, R.sup.4 is an alkylene group of 1 to about 4 carbon atoms, and R.sup.
    Type: Grant
    Filed: November 6, 1992
    Date of Patent: January 18, 1994
    Assignee: The Lubrizol Corporation
    Inventors: Nai Z. Huang, Christopher J. Kolp, Christopher R. Sgarlata