Patents Assigned to Laclede Professional Products, Inc.
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Patent number: 5718886Abstract: Stabilized anhydrous dental whitening gel compositions are provided which resist viscosity degradation during oral use. An illustrative anhydrous dental bleaching gel composition embodying this feature comprises propylene glycol, polyethylene glycol, glycerin in an amount not exceeding about 10 wt. %, neutralized carboxypolymethylene, hydroxypropylcellulose, xanthan gum and carbamide peroxide.Type: GrantFiled: December 23, 1996Date of Patent: February 17, 1998Assignee: Laclede Professional Products, Inc.Inventor: Michael A. Pellico
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Patent number: 5631000Abstract: An anhydrous dental bleaching gel composition is provided which has improved package stability, improved rheology and reduced sensitivity during use. An illustrative anhydrous dental bleaching gel composition embodying these features comprises propylene glycol, polyethylene glycol, glycerin in an amount not exceeding about 10 wt. %, neutralized carboxypolymethylene, hydroxypropylcellulose, and carbamide peroxide.Type: GrantFiled: March 11, 1996Date of Patent: May 20, 1997Assignee: Laclede Professional Products, Inc.Inventors: Michael A. Pellico, Veronica Sababa
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Patent number: 4626558Abstract: Powdered alginate compositions containing polyacrylamide in an amount from about 0.01 to about 0.25 wt. % and having a particle size less than about 300 mesh have enhanced smoothness characteristics, without visible signs of undissolved polymer, upon admixing with water to obtain orally settable, dental impression material.Type: GrantFiled: October 10, 1985Date of Patent: December 2, 1986Assignee: Laclede Professional Products, Inc.Inventor: Michael A. Pellico
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Patent number: 4617190Abstract: Aqueous reconstitutible, powder milk incorporates an enzyme system for providing a bacteriostatic effect upon aqueous reconstitution. The enzyme system contains (a) oxidoreductase enzyme that is hydro-interactable with and specific to oxidizable substrate in the powder milk for producing hydrogen peroxide and (b) peroxidatic peroxidase for interacting with the hydrogen peroxide and oxidizable anion from the powder milk to produce, in the reconstituted milk, oxidized anionic bacterial inhibitor. In an illustrative embodiment, powder milk incorporates (a) glucose oxidase that interacts with glucose in powder milk, upon aqueous dilution, to produce hydrogen peroxide and (b) lactoperoxidase for interacting with hydrogen peroxide and, for example the chloride ion from the powder milk to produce, in the reconstituted milk, the hypochlorite ion, a bacterial inhibitor.Type: GrantFiled: August 27, 1984Date of Patent: October 14, 1986Assignee: Laclede Professional Products, Inc.Inventor: Robert E. Montgomery
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Patent number: 4578265Abstract: A di-enzymatic dentifrice is provided which contains an oxidizable substrate and an oxidoreductase enzyme specific to such substrate for producing hydrogen peroxide upon oral application of the dentifrice and further contains a thiocyanate salt and lactoperoxidase for interacting with hydrogen peroxide to produce a hypothiocyanate bacterial inhibitor. An illustrative enzymatic system for this purpose contains glucose, glucose oxidase, potassium thiocyanate and lactoperoxidase.Type: GrantFiled: August 13, 1981Date of Patent: March 25, 1986Assignee: Laclede Professional Products, Inc.Inventors: Michael A. Pellico, Robert E. Montgomery
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Patent number: 4576817Abstract: Enzymatic absorbent materials such as bandages and pads, for body contact applications, contain serum-activated oxidoreductase enzyme for producing hydrogen peroxide upon contact of the enzymatic materials with serum. An illustrative serum-activated oxidoreductase enzyme is glucose oxidase with the corresponding substrate in serum being glucose.Type: GrantFiled: June 7, 1984Date of Patent: March 18, 1986Assignee: Laclede Professional Products, Inc.Inventors: Robert E. Montgomery, Michael A. Pellico
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Patent number: 4564519Abstract: A di-enzymatic chewable dentifrice is provided which contains an oxidizable substrate and an oxidoreductase enzyme specific to such substrate for producing hydrogen peroxide upon chewing of the dentifrice and further contains a thiocyanate salt and lactoperoxidase for interacting with hydrogen peroxide to produce a hypothiocyanate bacterial inhibitor. The concentration of lactoperoxidase is at least about 2% of the concentration of the oxidoreductase enzyme, in International Units, to thereby limit the ratio of hydrogen peroxide to lactoperoxidase during oral chewing of the dentifrice. An illustrative enzymatic system for this purpose contains glucose, glucose oxidase, potassium thiocyanate and lactoperoxidase.Type: GrantFiled: December 8, 1983Date of Patent: January 14, 1986Assignee: Laclede Professional Products, Inc.Inventors: Michael A. Pellico, Robert E. Montgomery
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Patent number: 4537764Abstract: An enzymatic dentifrice is provided which contains an enzyme system comprising Beta-D-glucose and glucose oxidase for producing hydrogen peroxide upon oral application of the dentifrice. The enzymatic dentifrice is stabilized against the production of hydrogen peroxide prior to oral application of the dentifrice by limiting any water in the dentifrice to an amount not more than about 10 wt. % based on the weight of the dentifrice.Type: GrantFiled: June 6, 1983Date of Patent: August 27, 1985Assignee: Laclede Professional Products, Inc.Inventors: Michael A. Pellico, Robert E. Montgomery
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Patent number: 4515913Abstract: Powdered alginate compositions formulated with a polymer comprising polyacrylamide have enhanced smoothness characteristics upon admixing with water to obtain orally settable, dental impression material.Type: GrantFiled: November 14, 1983Date of Patent: May 7, 1985Assignee: Laclede Professional Products, Inc.Inventor: Michael A. Pellico
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Patent number: 4468484Abstract: An oral, settable, dental composition is prepared by interacting Component A containing an alkali metal alginate in an aqueous paste with Component B containing a divalent metal salt such as calcium sulfate and a reaction rate retarder such as tetrasodium pyrophosphate in a fluid plasticizer paste that is substantially free of unbound water. A non-grainy, smooth texture of the pre-set, blended components is obtained by incorporating into Component A a polymer comprising polyacrylamide.Type: GrantFiled: May 2, 1983Date of Patent: August 28, 1984Assignee: Laclede Professional Products, Inc.Inventor: Michael A. Pellico
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Patent number: 4381947Abstract: An oral, settable, dental composition is prepared by interacting Component A containing an alkali metal alginate in an aqueous paste with Component B containing a divalent metal salt such as calcium sulfate and a reaction rate retarder such as tetrasodium pyrophosphate in a fluid plasticizer paste that is substantially free of unbound water.Type: GrantFiled: May 17, 1982Date of Patent: May 3, 1983Assignee: Laclede Professional Products, Inc.Inventor: Michael A. Pellico
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Patent number: 4291025Abstract: An agar gel topical dressing for coating a burn area or other area of skin impairment is prepared by heating and agitating a mixture of agar, diethylene glycol and water to solubilize the agar. The resulting solution, upon cooling to its gelation temperature, is converted to a thermally reversible agar gel. Application of the agar gel as a burn coating is undertaken by heating the gel to obtain a sol, applying the sol to the burn area at a tissue compatible temperature, and allowing the sol to cool and set in the form of a gel.Type: GrantFiled: April 11, 1980Date of Patent: September 22, 1981Assignee: Laclede Professional Products, Inc.Inventor: Michael A. Pellico
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Patent number: 4269822Abstract: An antiseptic dentifrice is provided which contains an enzyme system comprising an oxidizable amino acid substrate and an oxidoreductase enzyme specific to such substrate for producing hydrogen peroxide and ammonia upon oral application of the dentifrice. In an illustrative enzyme system for this purpose, the substrate is glycine and the oxidoreductase enzyme specific to this substrate is glycine oxidase.Type: GrantFiled: August 29, 1980Date of Patent: May 26, 1981Assignee: Laclede Professional Products, Inc.Inventors: Michael A. Pellico, Robert E. Montgomery