Patents Assigned to Block Drug Company, Inc.
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Patent number: 6086372Abstract: An oral preparation for removing deposits on surfaces in the oral cavity in conjunction with a toothbrush. The preparation includes at least one nonionic surfactant in a concentration range of from about 1.0% to about 40.0% by weight and at least one essential oil in a concentration range of from about 0.2% to about 13.0% by weight.Type: GrantFiled: June 4, 1997Date of Patent: July 11, 2000Assignee: Block Drug Company, Inc.Inventor: Jeffrey H. Diamond
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Patent number: 6077501Abstract: A denture cleanser tablet or other cleaning composition comprises a synergistic combination of a hexametaphosphate, such as sodium hexametaphosphate, and an ethylenediamine tetraacetic acid (Versene Acid or EDTA) or a salt thereof. The cleaning composition can be prepared without peracids or peracid salts, which leads to a milder, but highly effective, cleaning composition.Type: GrantFiled: June 30, 1998Date of Patent: June 20, 2000Assignee: Block Drug Company, Inc.Inventors: Vincent J. Sickora, Paul X. Riccobono
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Patent number: 6034138Abstract: The present invention comprises a concentrated solid or semi-solid disinfectant or sterilant composition for use in an aqueous disinfecting or sterilizing solution, comprising an oxidant and a protected glutaraldehyde such as a glutaraldehyde bisulfite addition compound (GBS): ##STR1## or a glutaraldehyde dioxime compound (GDO): ##STR2## The present invention further provides a method for disinfecting or sterilizing a surface or apparatus comprising the steps of mixing a concentrated solid or semi-solid glutaraldehyde sterilant composition comprising an oxidizing compound and a protected sterilant with water to form a solution and bringing the solution into contact with the surface or apparatus.Type: GrantFiled: November 21, 1995Date of Patent: March 7, 2000Assignee: Block Drug Company, Inc.Inventors: Joseph Synodis, Stuart Wilensky, Alan Halecky
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Patent number: 6025411Abstract: A denture adhesive composition is disclosed and comprises a polymeric activator in an amount of up to about 3 percent by weight based on the total weight of the denture adhesive composition. This composition exhibits enhanced adhesive performance and reduces oozing and incidence of food occlusion. Also disclosed is a method of preparing a denture adhesive composition comprising: preparing a mixture which comprises a polymeric activator in an amount of up to about 3 percent by weight based on the total weight of the denture adhesive composition; forming a denture adhesive composition including the mixture; and recovering the denture adhesive composition. A method of making a denture adhesive composition more adhesive and less oozing is disclosed as well. This method comprises adding to the denture adhesive composition a polymeric activator in an amount of up to about 3 percent by weight based on the total weight of the denture adhesive composition.Type: GrantFiled: June 23, 1997Date of Patent: February 15, 2000Assignee: Block Drug Company, Inc.Inventors: Eddie Wong, Hal C. Clarke, Robert C. Gasman, Alfred J. Smetana, Joseph Synodis
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Patent number: 6017520Abstract: Described is the use of vitamin E in topically applied compositions for the purpose of enhancing the penetration of therapeutically effective (cosmetically or pharmaceutically-active) drug or cosmetic ingredients. The topical compositions containing the penetration-enhancing concentration of vitamin E may be provided in a variety of forms including semi-solid (gel, paste, cream, lotion, ointment, etc.), liquid, suspension, film or laminate.Type: GrantFiled: May 2, 1997Date of Patent: January 25, 2000Assignee: Block Drug Company, Inc.Inventors: Joseph Synodis, Stuart Wilensky
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Patent number: 5989544Abstract: A composition is provided for ingestion by mammals for in vivo conversion of alpha-D-galactoside comprising an amount of alpha-galactosidase effective to hydrolyze alpha-D-galactoside to D-galactose, and non-toxic, ingestible excipient(s) for said alpha-galactosidase. Gastric distress in mammals due to ingestion of foods containing alpha-D-galactoside may be reduced by ingesting the foregoing composition of alpha-galactosidase and non-toxic, ingestible excipient contemporaneously with the ingestion of said food in an amount effective to hydrolyze the alpha-D-galactoside to D-galactose.Type: GrantFiled: June 7, 1995Date of Patent: November 23, 1999Assignee: Block Drug Company, Inc.Inventor: Alan E. Kligerman
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Patent number: 5830933Abstract: A denture adhesive composition contains a denture adhesive and a pharmacologically acceptable carrier in which the denture adhesive is a salt of a copolymer of maleic acid or anhydride and a 1 to 5 carbon atom alkyl vinyl ether having a specific viscosity of at least 4.0. The denture adhesive composition is used to adhere a denture to the oral mucosa.Type: GrantFiled: April 22, 1996Date of Patent: November 3, 1998Assignee: Block Drug Company, Inc.Inventors: Joseph Synodis, Alfred J. Smetana, Robert C. Gasman, Eddie Wong, Hal C. Clarke
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Patent number: 5763376Abstract: A toilet cleaning block that releases a halogen containing sanitizing agent in a controlled, substantially constant rate for about 2 to about 4 months of constant contact with water and is then completely dissolved in the water comprises an admixture of about 50% to about 80% by weight of a halogen containing sanitizing agent, about 20% to about 40% by weight of a bulking agent such as aluminum hydroxide, about 0% to about 20% by weight sodium bicarbonate, and about 1 to about 20% by weight of a sacrificial dissolution rate regulating agent such as sodium chloride.Type: GrantFiled: June 7, 1995Date of Patent: June 9, 1998Assignee: Block Drug Company, Inc.Inventors: Kenneth Ward, Richard Dolan, Paul Riccobono
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Patent number: 5755330Abstract: A package for containing two automatic toilet bowl cleaners, one containing a bleaching cleaner and the other containing a detergent cleaner and a fragrance or dye susceptible to degradation by the bleaching agent, has separate pouches to separate the solids. The pouches open in concert to allow simultaneous dispensing of the solids. In operation, the water in the toilet cistern and bowl is cleaned both by the detergent and the bleaching agent, and the fragrance or dye is not affected by the bleaching agent.Type: GrantFiled: March 31, 1997Date of Patent: May 26, 1998Assignee: Block Drug Company, Inc.Inventors: Nicholas D. Siragusa, Kenneth J. Ward, Deborah A. Sarasohn, Ernest Bernarducci, Arthur Sternheimer
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Patent number: 5696181Abstract: An improved denture adhesive composition is comprised of a highly cross-linked lower alkyl ether/maleic acid or maleic anhydride copolymer in which up to about 85% of the initial free carboxyl groups are reacted with one or more cross-linking agents. The cross-linking agents are mixtures of inorganic divalent cations such as calcium, magnesium and zinc together with organic bifunctional compounds comprised of polyhydroxyl compounds such as propylene glycol, glycerin and the like. The copolymer has a specific viscosity of no less than 1.5. A hydrophilic polymer such as sodium alginate or carboxymethyl cellulose may also be added to the lower alkyl vinyl ether/maleic acid or maleic anhydride copolymer which is then formulated with other excipients in a paste, powder, liquid, gel or cream composition.Type: GrantFiled: September 22, 1995Date of Patent: December 9, 1997Assignee: The Block Drug Company, Inc.Inventors: Tiang-Shing Chang, Donna DiFerdinando
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Patent number: 5653964Abstract: A composition containing a water soluble or water swellable polyelectrolyte mixed salt in a dentifrice base or other oral compositions which can be used for relieving pain and discomfort caused by hypersensitive teeth.Type: GrantFiled: May 23, 1995Date of Patent: August 5, 1997Assignee: Block Drug Company Inc.Inventors: James Keeth Herms, Kenneth Joel Markowitz
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Patent number: 5609189Abstract: A method of cleaning a drain by opening a container within a dispenser and dispensing drain cleaner from the container, through an outlet of the dispenser, and into the drain. The dispenser may have an upwardly extending pin for opening the container. Alternatively, the dispenser may have a cutter for opening an angled end of the container. In another alternative, the container may include a plug and a cooperating stem for opening the bottom of the container.Type: GrantFiled: February 14, 1995Date of Patent: March 11, 1997Assignee: Block Drug Company Inc.Inventors: Arthur Sternheimer, Anthony Delia
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Patent number: 5597552Abstract: A composition containing a water soluble or water swellable polyelectrolyte mixed salt in a dentifrice base or other oral compositions which can be used for relieving pain and discomfort caused by hypersensitive teeth.Type: GrantFiled: December 14, 1993Date of Patent: January 28, 1997Assignee: Block Drug Company Inc.Inventors: James K. Herms, Kenneth J. Markowitz
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Patent number: 5589159Abstract: A method for treating hypersensitive teeth by treating the teeth with an oral composition comprising hectorite clay, especially Laponite clay.Type: GrantFiled: April 11, 1995Date of Patent: December 31, 1996Assignee: Block Drug Company Inc.Inventors: Kenneth Markowitz, Mikhail Y. Gelfer
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Patent number: 5578559Abstract: A toilet cleaning block that releases a halogen containing sanitizing agent in a controlled, substantially constant rate for about 2 to about 4 months of constant contact with water and is then completely dissolved in the water comprises an admixture of about 50% to about 80% by weight of a halogen containing sanitizing agent, about 20% to about 40% by weight of a bulking agent such as aluminum hydroxide and about 1 to about 20% by weight of a sacrificial dissolution rate regulating agent such as sodium chloride.Type: GrantFiled: May 14, 1993Date of Patent: November 26, 1996Assignee: Block Drug Company, Inc.Inventors: Richard Dolan, Paul Riccobono
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Patent number: 5571519Abstract: Denture cleanser tablet compositions are disclosed which include a flavoring agent in one layer and a bleaching agent in a second layer. This arrangement avoids deterioration of the tablet flavor and taste during storage.Type: GrantFiled: December 13, 1994Date of Patent: November 5, 1996Assignee: Block Drug Company, Inc.Inventors: Joseph Synodis, Robert C. Gasman, Frank Mazzella
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Patent number: 5525652Abstract: A novel denture adhesive composition contains an adhesive mixture comprising sodium carboxymethyl cellulose and, either a partially neutralized sodium, magnesium, zinc mixed salt or a partially neutralized magnesium, zinc mixed salt of an alkyl vinyl ether maleic acid copolymer.Type: GrantFiled: August 10, 1994Date of Patent: June 11, 1996Assignee: Block Drug Company, Inc.Inventors: Hal C. Clarke, Hyung-Kook Ahn, Eddie Wong, Robert C. Gasman, Alfred J. Smetana, Joseph Synodis
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Patent number: 5498425Abstract: A laxative composition in powder or tablet form, having a pleasant odor and taste. The composition comprises sodium bicarbonate, monobasic sodium phosphate in stoichiometric excess, and a pineapple flavoring composition containing also Magnasweet 185 and sodium saccharin. A minor amount of citric or malic acid may be present.Type: GrantFiled: March 17, 1995Date of Patent: March 12, 1996Assignee: Block Drug Company, Inc.Inventors: Thomas G. Wood, Frederick A. Curro, Demetra E. Parashos
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Patent number: 5496558Abstract: A solid dosage form for relieving xerostomia symptoms comprising a lubricating polymer comprising polyethylene oxide and a sialogogue in a pharmaceutically acceptable, substantially non-cariogenic, carrier.Type: GrantFiled: March 2, 1993Date of Patent: March 5, 1996Assignee: Block Drug Company Inc.Inventors: Neil J. Napolitano, Kuo-Chen Yeh, Frank J. Sena, Phil J. Oths, Manuel M. Roque
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Patent number: RE36657Abstract: A denture adhesive composition contains a denture adhesive and a pharmacologically acceptable carrier in which the denture adhesive is a salt of a copolymer of maleic acid or anhydride and a 1 to 5 carbon atom alkyl vinyl ether having a specific viscosity of at least 4.0. The denture adhesive composition is used to adhere a denture to the oral mucosa.Type: GrantFiled: November 18, 1998Date of Patent: April 11, 2000Assignee: Block Drug Company, Inc.Inventors: Joseph Synodis, Alfred J. Smetana, Robert C. Gasman, Eddie Wong, Hal C. Clarke