Patents by Inventor Ira D. Hill
Ira D. Hill 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: 6545077Abstract: Various monofilament dental tapes with substantive coatings including: solutions of block copolymers and non-ionic surfactants, melt emulsions of waxes emulsified in surfactants and inverse melt emulsions of surfactants emulsified in a continuous wax phase, and their methods of manufacture are described.Type: GrantFiled: August 23, 2001Date of Patent: April 8, 2003Assignee: International Tape Partners, LLCInventors: Ira D. Hill, Dale G. Brown
-
Publication number: 20020144704Abstract: Molecularly oriented, thermoplastic elastomeric dental tapes extruded with a melt spinning extrusion carried out at draw ratios from between about 4:1 and about 7.5:1 and draw temperatures from between about 80° and 265° C. having: elongation at break of less than about 50%, an elastic limit of less than about 25% and enhanced tape flex-twist index from between about 2.5 and about 5, with the capacity to release substantive, flake-free, saliva soluble coatings during flossing.Type: ApplicationFiled: August 23, 2001Publication date: October 10, 2002Inventors: David Barlow, Dale G. Brown, Ian Roberts, Ira D. Hill, James McKenzie Hill
-
Publication number: 20020128362Abstract: Various monofilament dental tapes with substantive coatings including: solutions of block copolymers and non-ionic surfactants, melt emulsions of waxes emulsified in surfactants and inverse melt emulsions of surfactants emulsified in a continuous wax phase, and their methods of manufacture are described.Type: ApplicationFiled: August 23, 2001Publication date: September 12, 2002Inventors: Ira D. Hill, Dale G. Brown
-
Publication number: 20020083956Abstract: Disclosed are coated monofilament dental tapes with physical improvements including patient-friendly edges and self-indicating releasable coatings.Type: ApplicationFiled: August 23, 2001Publication date: July 4, 2002Inventor: Ira D. Hill
-
Patent number: 6138314Abstract: A toothbrush having an improved cleaning and abrasion efficiency, wherein the bristles are comprised of synthetic thermoplastic polymeric compositions, and contain longitudinal channels extending along the length thereof, having a depth sufficient to entrap a quantity of abrasive particles such that during brushing with a toothpaste, contact between the channel entrapped abrasive particles and the surfaces of the teeth is improved, resulting in a cleaning efficiency coefficient, CEC, above about 1.5 and, an abrasion efficiency coefficient, AEC, above about 1.5, while demonstrating suitable bristle wearability.Type: GrantFiled: July 24, 1997Date of Patent: October 31, 2000Assignee: WhiteHill Oral Technologies, Inc.Inventors: Thomas Schiff, Ira D. Hill
-
Patent number: 6086373Abstract: A toothbrush having an improved cleaning and abrasion efficiency, wherein the bristles are comprised of synthetic thermoplastic polymeric compositions, and contain longitudinal channels extending along the length thereof, having a depth sufficient to entrap a quantity of abrasive particles such that during brushing with a toothpaste, contact between the channel entrapped abrasive particles and the surfaces of the teeth is improved, resulting in a cleaning efficiency coefficient, CEC, above about 1.5 and, an abrasion efficiency coefficient, AEC, above about 1.5, while demonstrating suitable bristle wearability.Type: GrantFiled: November 10, 1998Date of Patent: July 11, 2000Inventors: Thomas Schiff, Ira D. Hill
-
Patent number: 5993784Abstract: Low foaming therapeutic toothpastes containing a therapeutic substance, an abrasive, a humectant, a low foam surfactant, and/or a foam control agent having improved cleaning and abrasion performance wherein: packing of the abrasive into the channels of a channeled bristle toothbrush, and abrasive/tooth surface contact, are substantially free from surfactant bubble interference such that Cleaning Efficiency Coefficient and Abrasion Efficiency Coefficient values greater than about 1.1 are achieved along with improvements in therapeutic efficacy.Type: GrantFiled: July 24, 1997Date of Patent: November 30, 1999Assignee: WhiteHill Oral TechnologiesInventor: Ira D. Hill
-
Patent number: 5733536Abstract: The present invention relates to various hair care products containing stable, dispersions of certain high viscosity silicones in certain surfactants; wherein:a. the dispersed silicones, which are insoluble in said surfactant, are oriented by the surfactant such that when dispersed in water they are particularly adept at forming oriented coatings on hair with enhanced substantivity, andb. the particle size of the dispersed silicone is from between about 0.1 and about 10 microns, with a particle size distribution such that from substantially all of the dispersed silicone is within this particle size range. These stable dispersions are described as ULTRAMULSION.TM. dispersions, which, together with their physical properties, when contained in hair care products, provide these hair care products with distinctive conditioning, moisturizing, protecting, etc. properties where the discontinuous silicone phase functions as a reservoir for various hair treatment substances.Type: GrantFiled: June 5, 1995Date of Patent: March 31, 1998Assignee: WhiteHill Oral Technologies, Inc.Inventors: Ira D. Hill, Peter P. Walters, Dale G. Brown
-
Patent number: 5733529Abstract: The present invention relates to various toothpastes containing, stable, dispersions of certain high viscosity silicones in certain surfactants; wherein:a. the dispersed silicones, which contain triclosan, 2,4,4'-triclosan-2'-hydroxy/epoxy/ether, are insoluble in said surfactant, are oriented by the surfactant such that when dispersed in water they are particularly adept at forming oriented, nonhelical coatings on surfaces of the mouth with enhanced substantivity, andb. the particle size of the dispersed silicone is from between about 0.1 and about 10 microns, with a particle size distribution such that from between about 80 and 95% of the dispersed silicone is within this particle size range.Type: GrantFiled: June 5, 1995Date of Patent: March 31, 1998Assignee: WhiteHill Oral Technologies, Inc.Inventors: Ira D. Hill, Peter P. Walters, Dale G. Brown
-
Patent number: 5730967Abstract: The present invention relates to various skin care products including cosmetics, over-the-counter (OTC) and prescription () drugs containing, stable, dispersions of certain high viscosity silicones in certain surfactants; wherein:a. the dispersed silicones, which are insoluble in said surfactant, are oriented by the surfactant such that when dispersed in water they are particularly adept at forming oriented, coatings on skin with enhanced substantivity, andb. the particle size of the dispersed silicone is from between about 0.1 and about 10 microns, with a particle size distribution such that from between about 80 and 95% of the dispersed silicone is within this particle size range. These stable dispersions are described as ULTRAMULSION.TM. dispersions, which, together with their physical properties, when contained in skin care products, provide these skin care products with distinctive, moisturizing, protecting, healing etc.Type: GrantFiled: June 5, 1995Date of Patent: March 24, 1998Assignee: WhiteHill Oral Technologies, Inc.Inventors: Ira D. Hill, Peter P. Walters, Dale G. Brown
-
Patent number: 5711935Abstract: The present invention relates to oral hygiene and specifically to an improved method for adding chemotherapeutic agents to dental floss containing several multi-fiber bundles, to methods of treating the oral cavity with the improved dental floss and to the improved dental flosses per se.Type: GrantFiled: May 10, 1994Date of Patent: January 27, 1998Assignee: WhiteHill Oral Technologies, Inc.Inventors: Ira D. Hill, Michael R. Schweigert
-
Patent number: 5711936Abstract: The present invention relates to various ingestible products containing stable, dispersions of certain high viscosity silicones in certain surfactants for use in treating mucus containing surfaces such as in the mouth, throat and stomach and intestine and the surface of the esophagus which contains no mucus.a. the dispersed silicones, which are insoluble in said surfactant, are oriented by the surfactant such that when dispersed in water they are particularly adept at forming oriented coatings on mouth, throat and esophagus and stomach surfaces with enhanced substantivity, andb. the particle size of the dispersed silicone is from between about 0.1 and about 10 microns, with a particle size distribution such that from substantially all of the dispersed silicone is within this particle size range. These stable dispersions are described as ULTRAMULSION.TM.Type: GrantFiled: June 5, 1995Date of Patent: January 27, 1998Assignee: WhiteHill Oral Technologies, Inc.Inventors: Ira D. Hill, Peter P. Walters, Dale G. Brown
-
Patent number: 5665374Abstract: The present invention relates to unique interdental delivery devices, other than dental floss, which are suitable for cleaning, massaging, and/or treating surfaces of teeth and gums including interproximal and subgingival areas; wherein these devices contain ULTRAMULSION.TM. dispersions of high viscosity silicones dispersed in surfactants, these dispersions are released into the oral cavity from these devices during use wherein the dispersed silicone:a. is insoluble in the surfactant and oriented so as to form coatings in the oral cavity with enhanced substantivity,b. functions as a reservoir for various lipid soluble and/or liquid dispersible ingredients to be released onto oral cavity surfaces, andc. has a particle size from between about 0.1 and about 10 microns with from between about 80% and about 95% of the particles within this range.Type: GrantFiled: June 5, 1995Date of Patent: September 9, 1997Assignee: WhiteHill Oral Technologies, Inc.Inventors: Ira D. Hill, Peter P. Walters, Dale G. Brown
-
Patent number: 5651959Abstract: The present invention relates to various oral care products containing, stable, dispersions of certain high viscosity silicones in certain surfactants; wherein:a. the dispersed silicones, which are insoluble in said surfactant, are oriented by the surfactant such that when dispersed in water they are particularly adept at forming oriented, coatings on surfaces of the mouth with enhanced substantivity, andb. the particle size of the dispersed silicone is from between about 0.1 and about 10 microns, with a particle size distribution such that from between about 80 and 95% of the dispersed silicone is within this particle size range. These stable dispersions are described as ULTRAMULSIONS, which, together with their physical properties, when contained in oral care products, provide these oral care products with enhanced substantivity to mouth surfaces, where the non continuous silicone phase functions as a reservoir for various active ingredients contained therein.Type: GrantFiled: June 5, 1995Date of Patent: July 29, 1997Assignee: WhiteHill Oral Technologies, Inc.Inventors: Ira D. Hill, Peter P. Walters, Dale G. Brown
-
Patent number: 5645841Abstract: The present invention relates to various oral care rinses containing, stable, dispersions of certain high viscosity silicones in certain surfactants; wherein:a. the dispersed silicones, which are insoluble in said surfactant, are oriented by the surfactant such that when dispersed in water they are particularly adept at forming oriented, coatings on surfaces of the mouth with enhanced substantivity, andb. the particle size of the dispersed silicone is from between about 0.1 and about 10 microns, with a particle size distribution such that from between about 80 and 95% of the dispersed silicone is within this particle size range. These stable dispersions are described as ULTRAMULSION.TM.Type: GrantFiled: June 5, 1995Date of Patent: July 8, 1997Assignee: WhiteHill Oral Technologies, Inc.Inventors: Ira D. Hill, Peter P. Walters, Dale G. Brown
-
Patent number: 5538667Abstract: The present invention relates to water-free, co-solvent free, stable, dispersions of certain polydimethylsiloxanes in certain nonionic, poloxamer surfactants; wherein:a. the dispersed polydimethylsiloxanes, which are insoluble in said surfactant, are oriented by the surfactant such that when dispersed in water they are particularly adept at forming oriented, monolayer coatings on various substrates, andb. the particle size of the dispersed polydimethylsiloxane is from between about 0.5 and about 10 microns, with a particle size distribution such that from between about 80 and 95% of the dispersed polydimethylsiloxane is within this particle size range. These stable dispersions are described as ultramulsions, which, together with their physical properties, distinguishes them from emulsions, microemulsions and solutions.Type: GrantFiled: October 28, 1993Date of Patent: July 23, 1996Assignee: WhiteHill Oral Technologies, Inc.Inventors: Ira D. Hill, Dale G. Brown
-
Patent number: 5380530Abstract: Disclosed are several oral hygiene preparations including plaque disrupting and gingivitis control preparations in the form of chewing gums, wherein a chewing gum is coated with a plaque disrupting emulsion containing an ingestible surfactant and a polydimethyl siloxane emulsified therein, and wherein the emulsion coating can further contain a therapeutic substance such as the gingivitis control substance stannous fluoride.Type: GrantFiled: December 29, 1992Date of Patent: January 10, 1995Assignee: WhiteHill Oral TechnologiesInventor: Ira D. Hill
-
Patent number: 5284648Abstract: The invention relates to alcohol-free, oral pre-rinse and rinse emulsions containing cleaning and coating compositions that are non-irritating and low foaming thus allowing a residence time sufficient to condition teeth and gums and disruptively affect the plaque matrix. Such disruption allows for the reduction of plaque build-up by either of two efficacious and convenient mechanisms: (1) immediate removal of disrupted plaque matrix by normal brushing or (2) interruption of plaque forming activity in the mouth by frequently cleaning out plaque and plaque precursors, coupled with reduced attachment of plaque by altering the tooth surfaces with the coating compositions.Type: GrantFiled: October 15, 1991Date of Patent: February 8, 1994Inventors: Robert D. White, Ira D. Hill
-
Patent number: 5057306Abstract: The invention relates to the manufacturing of oral hygiene gels wherein a coating substance is emulsified with a surfactant using a hot-melt emulsion process and the resulting emulsion is subsequently gelled with a viscosifier.Type: GrantFiled: June 8, 1990Date of Patent: October 15, 1991Inventors: Ira D. Hill, Robert D. White
-
Patent number: 5057309Abstract: This invention describes ingestible, non-foaming, non-aqueous liquid and semi-solid oral hygiene preparations containing: a nonionic surfactant, a coating substance insoluble in said surfactant and a microbially active form of stannous fluoride.Type: GrantFiled: June 8, 1990Date of Patent: October 15, 1991Inventors: Ira D. Hill, Robert D. White