Patents by Inventor Zuchen Lin
Zuchen Lin 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: 20040102570Abstract: Oil-in-water (O/W) and water-in-oil (W/O) emulsions and microemulsions containing silanes or siloxanes having quaternary ammonium groups are made by reacting organic quaternary ammonium compounds having epoxide groups or halohydrin groups, with silanes or siloxanes having amino groups. The reaction is carried out in an aqueous polar phase containing a surfactant. The emulsions and microemulsions are especially useful for treating hair, skin, or the underarm.Type: ApplicationFiled: November 27, 2002Publication date: May 27, 2004Inventors: Bethany K. Johnson, Zuchen Lin
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Publication number: 20040077776Abstract: Clear microemulsions are formed spontaneously by combining (i) water; (ii) a volatile siloxane; (iii) a long chain or high molecular weight silicone polyether; and, as an optional ingredient, (iv) a cosurfactant such as a monohydroxy alcohol, an organic diol, an organic triol, an organic tetraol, a silicone diol, a silicone triol, a silicone tetraol, and a nonionic organic surfactant. In an alternate embodiment, a non-volatile siloxane is included as an ingredient, and the silicone polyether is a long chain or high molecular weight silicone polyether, or a short chain or low molecular weight silicone polyether.Type: ApplicationFiled: October 10, 2003Publication date: April 22, 2004Inventors: Qian Jane Feng, Zuchen Lin, Randal Myron Hill
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Publication number: 20040044121Abstract: This invention is directed to an elastomer composition produced by crosslinking a high molecular weight ≡Si—H containing polysiloxane and a diene, diyne or ene-yne compound in the presence of a diluent. The elastomer composition is suitable for use in forming personal care compositions.Type: ApplicationFiled: August 27, 2002Publication date: March 4, 2004Inventors: Donald Anthony Kadlec, Zuchen Lin, William James Schulz, Janet Mary Smith, Michael Stephen Starch, Shizhong Zhang
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Publication number: 20030220425Abstract: Silicone liquid crystals, silicone vesicles, and silicone gels are formed by combining (i) an amine functional silicone or an organic amine compound, (ii) an organic epoxide containing at least two epoxy groups or an epoxy functional silicone containing at least two epoxy groups, and (iii) a fluid such as water, a silicone fluid other than a silicone used in (i) and (ii), and a polar organic compound or nonpolar organic compound other than organic compounds used in (i) and (ii) in which the polar and nonpolar organic compound are present at a concentration to provide a level of solids less than 40 percent by weight based on the weight of (i)-(iii). These silicone liquid crystals, silicone vesicles, and silicone gels are useful in personal care for preparing various skin, hair, and underarm products.Type: ApplicationFiled: June 19, 2003Publication date: November 27, 2003Inventors: Michael Salvatore Ferritto, Zuchen Lin, William James Schulz
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Patent number: 6653378Abstract: This invention related to silicone elastomer compositions in the form of gels and/or organized structures. The silicone elastomer compositions are produced by reacting a siloxane having a first reactive group with a crosslinker having a second reactive group in a diluent. One reactive group is selected from epoxy-functional groups or chlorohydrin functional groups while the other reactive group is a functional group that reacts with epoxy-functional groups or chlorohydrin functional groups (i.e. amine, hydroxyl). The silicone elastomer compositions of the instant invention are particularly useful in personal care products, textiles, auto care products, and laundry products and for the delivery of active ingredients.Type: GrantFiled: December 13, 2001Date of Patent: November 25, 2003Assignee: Dow Corning CorporationInventors: Michael Salvatore Ferritto, Zuchen Lin, William James Schulz, Jr., Janet Mary Smith
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Publication number: 20030207948Abstract: Emulsions are prepared by heating and polymerizing a mixture containing (i) a non-crosslinked silicone polyether; (ii) optionally, a cosurfactant which can be a monohydroxy alcohol, diol, triol, or glycol ether; (iii) an ≡Si—H containing polysiloxane; (iv) a mono-alkenyl polyether; (v) an &agr;,&ohgr;-diene, &agr;,&ohgr;-diyne, or &agr;,&ohgr;-ene-yne; (vi) optionally, a silicone oil such as (a) a low molecular weight linear or cyclic volatile methyl siloxane, or (b) a low molecular weight linear or cyclic volatile or non-volatile alkyl or aryl siloxane; (vii) a platinum catalyst; and (viii) water.Type: ApplicationFiled: April 7, 2003Publication date: November 6, 2003Inventor: Zuchen Lin
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Patent number: 6616934Abstract: Spontaneously formed highly stable clear water-in-oil microemulsions containing only small amounts of water can be prepared by combining and simply hand shaking (i) 0.1 to 9 percent by weight of water; (ii) greater than 80 percent by weight of a volatile cyclic alkyl siloxane or volatile linear alkyl siloxane; and (iii) 3 to 10 percent by weight of certain silicone polyether surfactants. The microemulsions are useful in personal care applications.Type: GrantFiled: May 22, 2000Date of Patent: September 9, 2003Assignee: Dow Corning CorporationInventors: Randal Myron Hill, Zuchen Lin
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Patent number: 6608126Abstract: Silicone liquid crystals, silicone vesicles, and silicone gels are formed by combining (i) an amine functional silicone or an organic amine compound, (ii) an organic epoxide containing at least two epoxy groups or an epoxy functional silicone containing at least two epoxy groups, and (iii) a fluid such as water, a silicone fluid other than a silicone used in (i) and (ii), and a polar organic compound or nonpolar organic compound other than organic compounds used in (i) and (ii) in which the polar and nonpolar organic compound are present at a concentration to provide a level of solids less than 40 percent by weight based on the weight of (i)-(iii). These silicone liquid crystals, silicone vesicles, and silicone gels are useful in personal care for preparing various skin, hair, and underarm products.Type: GrantFiled: April 11, 2001Date of Patent: August 19, 2003Assignee: Dow Corning CorporationInventors: Michael Salvatore Ferritto, Zuchen Lin, William James Schulz, Jr.
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Patent number: 6593422Abstract: Emulsions are prepared by heating and polymerizing a mixture containing (i) a non-crosslinked silicone polyether; (ii) optionally, a cosurfactant which can be a monohydroxy alcohol, diol, triol, or glycol ether; (iii) an ≡Si—H containing polysiloxane; (iv) a mono-alkenyl polyether; (v) an &agr;,&ohgr;-diene, &agr;,&ohgr;-diyne, or &agr;,&ohgr;-ene-yne; (vi) optionally, a silicone oil such as (a) a low molecular weight linear or cyclic volatile methyl siloxane, or (b) a low molecular weight linear or cyclic volatile or non-volatile alkyl or aryl siloxane; (vii) a platinum catalyst; and (viii) water.Type: GrantFiled: May 29, 2001Date of Patent: July 15, 2003Assignee: Dow Corning CorporationInventor: Zuchen Lin
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Publication number: 20030050393Abstract: This invention pertains to silicone core-shell or gel particles that contain active ingredients. The silicone particles are produced by emulsifying and reacting a composition comprising a siloxane have a first reactive group, a crosslinker having a second reactive group, at least one emulsion liquid, a surfactant and an active ingredient. The active ingredient is encapsulated in the silicone particle and are useful in personal care products, textiles, auto care products, and laundry products for the delivery of active ingredients.Type: ApplicationFiled: December 13, 2001Publication date: March 13, 2003Inventors: Michael Salvatore Ferritto, Zuchen Lin, Janet Mary Smith
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Publication number: 20030040571Abstract: Clear microemulsions are formed spontaneously without mixing, stirring, shearing, or input of mechanical energy for agitating ingredients used in making microemulsions, by simply combining (i) water; (ii) a volatile siloxane; (iii) a long chain or high molecular weight silicone polyether; and, as an optional ingredient, (iv) a cosurfactant such as a monohydroxy alcohol, an organic diol, an organic triol, an organic tetraol, a silicone diol, a silicone triol, a silicone tetraol, and a nonionic organic surfactant. In an alternate embodiment, a non-volatile siloxane is included as an ingredient, and the silicone polyether is a long chain or high molecular weight silicone polyether, or a short chain or low molecular weight silicone polyether.Type: ApplicationFiled: July 30, 2001Publication date: February 27, 2003Inventors: Qian Jane Feng, Randal Myron Hill, Zuchen Lin
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Publication number: 20030032717Abstract: Silicone liquid crystals, silicone vesicles, and silicone gels are formed by combining (i) an amine functional silicone or an organic amine compound, (ii) an organic epoxide containing at least two epoxy groups or an epoxy functional silicone containing at least two epoxy groups, and (iii) a fluid such as water, a silicone fluid other than a silicone used in (i) and (ii), and a polar organic compound or nonpolar organic compound other than organic compounds used in (i) and (ii) in which the polar and nonpolar organic compound are present at a concentration to provide a level of solids less than 40 percent by weight based on the weight of (i)-(iii). These silicone liquid crystals, silicone vesicles, and silicone gels are useful in personal care for preparing various skin, hair, and underarm products.Type: ApplicationFiled: April 11, 2001Publication date: February 13, 2003Inventors: Michael Salvatore Ferritto, Zuchen Lin, William James Schulz
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Publication number: 20020193511Abstract: Emulsions are prepared by heating and polymerizing a mixture containing (i) a non-crosslinked silicone polyether; (ii) optionally, a cosurfactant which can be a monohydroxy alcohol, diol, triol, or glycol ether; (iii) an ≡Si—H containing polysiloxane; (iv) a mono-alkenyl polyether; (v) an &agr;,&ohgr;-diene, &agr;,&ohgr;-diyne, or &agr;,&ohgr;-ene-yne; (vi) optionally, a silicone oil such as (a) a low molecular weight linear or cyclic volatile methyl siloxane, or (b) a low molecular weight linear or cyclic volatile or non-volatile alkyl or aryl siloxane; (vii) a platinum catalyst; and (viii) water.Type: ApplicationFiled: May 29, 2001Publication date: December 19, 2002Inventor: Zuchen Lin
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Patent number: 6479446Abstract: Compositions described herein are aqueous detergent compositions, preferably hard surface cleaning compositions, which contain a flexible lamellar sheet phase dispersed in the aqueous phase. The compositions are viscous, provide excellent soap scum and hard water properties and are easy to rinse. Such compositions are formulated by using an alkylaryl detergent composition in combination with an alcohol and/or cationic surfactant, together with a hydrotropic solvent, in an acidic system further optionally comprising a peroxide.Type: GrantFiled: May 26, 2000Date of Patent: November 12, 2002Assignee: The Procter & Gamble CompanyInventors: Alan Edward Sherry, Jeffrey Lawrence Flora, Jason Michael Knight, Zuchen Lin
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Publication number: 20020086935Abstract: This invention related to silicone elastomer compositions in the form of gels and/or organized structures. The silicone elastomer compositions are produced by reacting a siloxane having a first reactive group with a crosslinker having a second reactive group in a diluent. One reactive group is selected from epoxy-functional groups or chlorohydrin functional groups while the other reactive group is a functional group that reacts with epoxy-functional groups or chlorohydrin functional groups (i.e. amine, hydroxyl). The silicone elastomer compositions of the instant invention are particularly useful in personal care products, textiles, auto care products, and laundry products and for the delivery of active ingredients.Type: ApplicationFiled: December 13, 2001Publication date: July 4, 2002Inventors: Michael Salvatore Ferritto, Zuchen Lin, William James Schulz, Janet Mary Smith
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Patent number: 6410038Abstract: Water-in-oil-in-non-aqueous polar solvent W/O/PS type multiple emulsion contains a water phase W dispersed in an oil O as the first continuous phase of a primary emulsions W/O by an emulsifier. Primary emulsion W/O is dispersed in a second continuous non-aqueous polar solvent phase PS to form multiple emulsion W/O/PS. The emulsifier is a silicone elastomer containing polyether groups which is a network of polymeric molecules crosslinked with an &agr;,&ohgr;-unsaturated hydrocarbon.Type: GrantFiled: June 14, 2000Date of Patent: June 25, 2002Assignee: Dow Corning CorporationInventors: Zuchen Lin, William James Schulz, Jr.
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Patent number: 6238657Abstract: Three-dimensional silicone elastomers having polyether and higher alkyl functionality in their molecules form networks of crosslinked linear siloxanes with polyether and olefin containing repeating units, and these silicone elastomers can be used as emulsifiers for making O/O and three-phase aqueous emulsions. One of the oil phases is a silicone oil, while the other oil phase is an organic oil such as mineral oil or castor oil. These emulsions of two and three mutually insoluble liquids are useful in personal and health care applications.Type: GrantFiled: July 12, 1999Date of Patent: May 29, 2001Assignee: Dow Corning CorporationInventors: Zuchen Lin, William James Schulz, Jr., Janet Mary Smith
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Patent number: 6221979Abstract: A new composition of matter is a blend of (i) a crosslinked elastomeric silicone polyether and (ii) a crosslinked elastomeric silicone containing alkyl groups having 3-40 carbon atoms. The new composition can be used in preparing water-in-oil emulsions, and clear solutions containing an oil(s) or an oil-soluble active ingredient(s).Type: GrantFiled: November 8, 1999Date of Patent: April 24, 2001Assignee: Dow Corning CorporationInventors: Zuchen Lin, William James Schulz, Jr., Janet Mary Smith
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Patent number: 6221927Abstract: One composition is a non-aqueous polar solvent-in-oil emulsion containing a non-aqueous polar solvent phase dispersed in a silicone oil continuous phase by an emulsifier. A second composition is a non-aqueous polar solvent-in-oil-in-water multiple emulsion of the type PS1/O/W which contains a non-aqueous polar solvent phase PS1 dispersed in a silicone oil as a first continuous phase of a primary emulsion PS1/O by an emulsifier. The primary emulsion PS1/O is dispersed in a second continuous aqueous phase W to form multiple emulsion PS1/O/W. A third composition is a non-aqueous polar solvent-in-oil-in-non-aqueous polar solvent multiple emulsion of the type PS1/O/PS2 which contains a non-aqueous polar solvent phase PS1 dispersed in a silicone oil as a first continuous phase of a primary emulsion PS1/O by an emulsifier. The primary emulsion PS1/O is dispersed in a second continuous non-aqueous polar solvent phase PS2 to form multiple emulsion PS1/O/PS2.Type: GrantFiled: September 8, 2000Date of Patent: April 24, 2001Assignee: Dow Corning CorporationInventors: Zuchen Lin, William James Schulz, Jr., Janet Mary Smith
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Patent number: 6207717Abstract: Oil-soluble vitamins such as vitamin A and vitamin E can be entrapped in the oil phase of an elastomeric silicone polyether. The vitamin entrapped oil phase can then be emulsified and stabilized without requiring the use of other surfactants. The vitamin entrapped oil phase and water-in-oil emulsions prepared from the vitamin entrapped oil phase are useful in water-based skin and cosmetic compositions.Type: GrantFiled: January 12, 1999Date of Patent: March 27, 2001Assignee: Dow Corning CorporationInventors: Zuchen Lin, William James Schulz, Jr., Janet Mary Smith