Patents by Inventor Robert H. McIntosh
Robert H. McIntosh 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: 5474739Abstract: A broad spectrum, non-toxic, microbiocidal composition effective in killing or inhibiting the growth of a wide variety of microorganisms including viruses, bacteria, yeasts, molds and fungi and algae, that includes a compound of the formula: ##STR1## wherein: R is alkyl, aryl, aralkyl and alkaryl groups including, but not limited to, straight chain, branched chain or cyclic alkyl groups having from 1 to 24 carbon atoms, polyoxyethylene or polyoxypropylene having from 2 to 32 ethylene oxide or propylene oxide units respectively, alkyl phenoxy polyoxyethylene containing 2 to 32 ethylene oxide units, alkyl phenoxy polyoxyethylene containing ethylene oxide units and 1 to 24 carbon atoms in the phenolic alkyl chain, and polyhydroxy compounds, including but not limited to, ethylene glycol, glycerol, or sorbitol.Type: GrantFiled: July 27, 1992Date of Patent: December 12, 1995Assignee: Interface, Inc.Inventors: Douglas E. Triestram, Robert H. McIntosh
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Patent number: 5133933Abstract: The present invention relates to microbiocidal composition and methods for the preparation and use of of such compositions. Properly used in accordance with the present invention, these microbiocidal compositions are effective in killing or inhibiting a wide variety of harmful, destructive or offensive microorganisms including viruses, bacteria, yeasts, algae and molds. The microbiocidal compositions of the present invention are suitable for use with conventional detergents to provide microbiocidal cleansing agents. The microbiocidal compositions can also be mixed with a liquid to provide an effective disinfectant. The microbiocidal additive can be incorporated into plastic materials and various synthetic fibers thereby imparting microbiocidal activity to the plastic materials or fibers.Type: GrantFiled: March 7, 1990Date of Patent: July 28, 1992Assignee: Interface Research CorporationInventor: Robert H. McIntosh
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Patent number: 5032310Abstract: A cleansing or disinfecting solution that includes an effective amount of a salt of phosphoric acid or its ester of the formula: ##STR1## wherein R is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, pentyl, and neopentyl and X is selected from the group consisting of Group IA metals, Group IIA metals, transition metals, and HNR.sub.1 R.sub.2 R.sub.3.sup.+, wherein R.sub.1 and R.sub.2 are alkyl groups of from 4 to 18 carbon atoms or a hydroxyalkyl group of 1 to 18 carbon atoms, and R.sub.3 is an alkyl group of from 8 to 18 carbon atoms, and wherein when R is hydrogen, X is di-(2-hydroxyethyl)cocoamine. These formulations are effective in killing or inhibiting a wide variety of harmful, destructive or offensive microorganisms including viruses, bacteria, yeasts, algae and molds.Type: GrantFiled: June 22, 1990Date of Patent: July 16, 1991Assignee: Interface, Inc.Inventor: Robert H. McIntosh, Sr.
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Patent number: 5024840Abstract: A carpet and carpet tile resistant to the growth of Gram negative, Gram positive and fungal organisms which contains a polymeric non-plasticized PVC tuftlock precoat, fusion bonding adhesive, or secondary backing which has incorporated in it a phosphoric acid ester or its salt of the general formula: ##STR1## wherein R and R' are alkyl, oxyalkyl, polyoxyalkyl, aryl, aralkyl or alkaryl groups of C.sub.1 to C.sub.24, and one of R or R' can be H; X is a Group I metal ion, Group II metal ion, transition metal ion, or NY.sub.1 Y.sub.2 Y.sub.3 Y.sub.4, where Y.sub.1-4 are hydrogen, a hydrocarbon of C.sub.1 to C.sub.24, or a hydroxyalkyl group of C.sub.1 to C.sub.24 ; and there is at least one free hydroxyl group; and when X is NY.sub.1 Y.sub.2 Y.sub.3 Y.sub.4 or a Group I metal ion, n is 1, when X is a Group II metal ion, n is 2; and when X is a transition metal, n is equal to the valence of the metal.Type: GrantFiled: May 15, 1989Date of Patent: June 18, 1991Assignee: Interface, Inc.Inventors: Lawrence W. Blakely, Michael A. Howe, Daniel F. Pinholster, Jr., Claude E. Terry, Robert H. McIntosh, Sr.
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Patent number: 4996052Abstract: The present invention relates to microbiocidal compositions and methods for the preparation and use of of such compositions. Properly used in accordance with the present invention, these microbiocidal compositions are effective in killing or inhibiting a wide variety of harmful, destructive or offensive microorganisms including viruses, bacteria, yeasts, algae and molds. The microbiocidal compositions of the present invention are suitable for use with conventional detergents to provide microbiocidal cleansing agents. The microbiocidal compositions can also be mixed with a liquid to provide an effective disinfectant. The microbiocidal additive can be incorporated into plastic materials and various synthetic fibers thereby imparting microbiocidal activity to the plastic materials or fibers.Type: GrantFiled: January 31, 1990Date of Patent: February 26, 1991Assignee: Interface Research CorporationInventor: Robert H. McIntosh
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Patent number: 4957948Abstract: An biocidal protective coating and an method for coating heat exchanger coils, which includes a polymeric composition comprising an organic water resistant polymer and a compound of the general formula ##STR1## wherein X is selected from the group consisting of organic ions, H.sup.T, Group I metals, Group II metals and transition metals, R and R' are independently selected from the group consisting of hydrocarbons and substituted hydrocarbons of not more than 24 carbon atoms, and there is at least one free hydroxyl group.Type: GrantFiled: September 9, 1988Date of Patent: September 18, 1990Assignee: Interface, Inc.Inventors: Claude E. Terry, Robert H. McIntosh, Sr.
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Patent number: 4935232Abstract: The present invention relates to microbiocidal compositions and methods for the preparation and use of of such compositions. Properly used in accordance with the present invention, these microbiocidal compositions are effective in killing or inhibiting a wide variety of harmful, destructive or offensive microorganisms including viruses, bacteria, yeasts, algae and molds. The microbiocidal compositions of the present invention are suitable for use with conventional detergents to provide microbiocidal cleansing agents. The microbiocidal compositions can also be mixed with a liquid to provide an effective disinfectant. The microbiocidal additive can be incorporated into plastic materials and various synthetic fibers thereby imparting microbiocidal activity to the plastic materials or fibers.Type: GrantFiled: April 27, 1987Date of Patent: June 19, 1990Assignee: Interface Research CorporationInventor: Robert H. McIntosh
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Patent number: 4908209Abstract: A biocidal phosphate ester in combination with an inert inorganic or organic particulate or polymeric carrier. The biocidal-carrier composition is useful in extending the effective lifetime of the biocidal phosphate ester when incorporated into a variety of materials including plastics, fibrous materials, and solutions. Applications of the disclosed carrier compounds include preparation of mildew resistant paints and plastics having extended antimicrobial properties despite extensive washing and wear of the surface.Type: GrantFiled: May 5, 1988Date of Patent: March 13, 1990Assignee: Interface, Inc.Inventors: Robert H. McIntosh, Jr., Albin F. Turbak, Robert H. McIntosh, Sr.
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Patent number: 4753749Abstract: The present invention relates to microbiocidal cleansing agent and to a microbiocidal amine alkyl phosphate additive which is incorporated therein.The microbiocidal amine alkyl phosphate has the following general structure: ##STR1## wherein R=an alkyl group containing from 1 to 24 carbon atoms;R.sub.1 =an alkyl group containing from 1 to 3 carbon atoms; andR.sub.2 =an alkyl group containing from 1 to 5 carbon atoms.The microbiocidal cleansing agent of the present invention may be prepared by dissolving the amine alkyl phosphate additive in water or a conventional detergent.Type: GrantFiled: September 23, 1987Date of Patent: June 28, 1988Assignee: Interface Research CorporationInventor: Robert H. McIntosh
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Patent number: 4647601Abstract: The present invention relates to self-sanitizing epoxy resin and to an additive which is incorporated therein so that the epoxy product or film is made self-sanitizing.The additive is an alkyl phosphate derivative with the following structure: ##STR1## where R is an alkyl group of from 8 to 18 carbon atoms, R.sub.1 is an alkyl group or a hydroxy alkyl group, and R.sub.2 is selected from the group consisting of hydrogen and an alkyl group of from 6 to 18 carbon atoms, with at least one R.sub.2 group being the alkyl group.The additive is highly effective against both gram-negative and gram-positive bacteria and is also highly effective against eukaryotic microorganisms such as yeasts, molds and fungi. In addition to the unique and unexpected microbiocidal properties of the self-sanitizing epoxy, the microbiocidal activity remains in the epoxy product or film over long periods of time.Type: GrantFiled: May 21, 1985Date of Patent: March 3, 1987Assignee: Interface Research CorporationInventor: Robert H. McIntosh
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Patent number: 4608289Abstract: The present invention consists of methods for using certain cationic alkyl phosphate derivatives as sanitizing agents in plastic materials for providing fungicidal and bactericidal properties which are effective against both Gram-positive and Gram-negative organisms including Pseudomonas aeruginosa. Various plastic materials of the invention are shown utilizing various sanitizing agents.Type: GrantFiled: March 8, 1984Date of Patent: August 26, 1986Assignee: Interface Research CorporationInventor: Robert H. McIntosh
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Patent number: 4110504Abstract: Conventional tufted carpet floor covering includes a self-sanitizing additive intimately mixed with the liquid carpet construction composition which binds the tuft loops in place in the primary backing. The self-sanitizing additive is a mixture of a nonionic trialkylamine and a Group II-A or Group II-B metal salt of a monocarboxylic acid having a carbon chain length of 1 to 4.Type: GrantFiled: June 15, 1976Date of Patent: August 29, 1978Assignee: Anthony B. AskewInventors: Ezekiel H. Hull, Robert H. McIntosh