Patents Represented by Attorney John W. Routh
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Patent number: 5814332Abstract: This disclosure is directed to preparation of individual taste-masked, high bioavailability, high payload, microcapsules by microencapsulation of water-insoluble NSAID drug materials in the substantial absence of microcapsule agglomerates. These taste-masked microcapsules contain a high payload, e.g., about 83+ wt. % of said NSAID drug material having high bioavailability and can then be formulated into chewable tablets and liquid aqueous suspensions for medicinal use. Both cellulose acetate phthalate and gelatin are the microencapsulating polymer wall material.Type: GrantFiled: February 20, 1997Date of Patent: September 29, 1998Assignee: Eurand America, Inc.Inventors: Sambasiva Rao Ghanta, Robert Edmon Guisinger
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Patent number: 5709886Abstract: Taste masked effervescent microcapsules are provided each microcapsule containing an effervescent admixture of sodium bicarbonate and citric acid microencapsulated with ethylcellulose, the effervescent microcapsules being useful in formulating taste masked effervescent chewable tablets also containing microencapsulated, unpleasant tasting drugs such as non-steroidal, anti-inflammatory, NSAID drugs.Type: GrantFiled: February 19, 1997Date of Patent: January 20, 1998Assignee: Eurand America, IncorporatedInventors: Marie Jean Bettman, Phillip J. Percel, Thomas C. Powell
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Patent number: 5653993Abstract: This disclosure is directed to preparation of individual taste-masked, high bioavailability, high payload, microcapsules by microencapsulation of water-insoluble NSAID drug materials in the substantial absence of microcapsule agglomerates. These taste-masked microcapsules contain a high payload, e.g., about 83+wt. % of said NSAID drug material having high bioavailability and can then be formulated into chewable tablets and liquid aqueous suspensions for medicinal use. Both cellulose acetate phthalate and gelatin are the microencapsulating polymer wall material.Type: GrantFiled: June 7, 1995Date of Patent: August 5, 1997Assignee: Eurand America, Inc.Inventors: Sambasiva Rao Ghanta, Robert Edmon Guisinger
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Patent number: 5639475Abstract: Taste masked effervescent microcapsules are provided each microcapsule containing an effervescent admixture of sodium bicarbonate and citric acid microencapsulated with ethylcellulose, the effervescent microcapsules being useful in formulating taste masked effervescent chewable tablets also containing microencapsulated, unpleasant tasting drugs such as non-steroidal, anti-inflammatory, NSAID drugs.Type: GrantFiled: February 3, 1995Date of Patent: June 17, 1997Assignee: Eurand America, IncorporatedInventors: Marie Jean Bettman, Phillip J. Percel, Thomas C. Powell
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Patent number: 5622723Abstract: An improvement in the process of coacervation of chlorpheniramine maleate is provided whereby a predetermined amount of chlorpheniramine maleate charged to the process is maintained in the microcapsules by pre-saturating the coacervation medium with chlorpheniramine maleate.Type: GrantFiled: February 3, 1995Date of Patent: April 22, 1997Assignee: Eurand America, IncorporatedInventors: Marie J. Bettman, Sambasiva R. Ghanta
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Patent number: 5616621Abstract: There is provided a pharmaceutically acceptable taste masking liquid excipient base for administration of relatively large amounts of unpleasant tasting medicines, said excipient base having higher than normal viscosities due to a combination of polyethylene glycol and cellulosic material.Type: GrantFiled: January 30, 1995Date of Patent: April 1, 1997Assignee: American Home Products CorporationInventors: Shankar D. Popli, Zenaida O. Go
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Patent number: 5602182Abstract: There is provided a taste masked liquid pharmaceutical composition for administration of a relatively large amount of unpleasant tasting medicines. More particularly, the composition comprises a taste masking liquid excipient base for administration of relatively large amounts of unpleasant tasting medicines, said excipient base having higher than normal viscosities due to a combination of a normally solid polyethylene glycol and sodium carboxymethylcellulose.Type: GrantFiled: June 7, 1995Date of Patent: February 11, 1997Assignee: American Home Products CorporationInventors: Shankar D. Popli, Zenaida O. Go
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Patent number: 5563177Abstract: There is provided a taste masked liquid pharmaceutical composition for administration of a relatively large amount of unpleasant tasting medicines. More particularly, the composition comprises a taste masking liquid excipient base for administration of relatively large amounts of unpleasant tasting medicines, said excipient base having higher than normal viscosities due to a combination of a normally solid polyethylene glycol and sodium carboxymethylcellulose.Type: GrantFiled: January 30, 1995Date of Patent: October 8, 1996Assignee: American Home Products CorporationInventors: Shankar D. Popli, Zenaida O. Go
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Patent number: 5468502Abstract: Solvent systems for enhancing the solubility of ibuprofen for encapsulation into soft gelatin capsules is provided by the addition of ammonium acetate to the solvent system.Type: GrantFiled: December 20, 1994Date of Patent: November 21, 1995Assignee: American Home Products CorporationInventors: Andrew A. Argiriadi, Robert G. Blank, David H. Giamalva
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Patent number: 5348747Abstract: A finely divided solid pharmaceutical dosage form for oral administration dissolved or suspended in a pharmaceutically acceptable liquid is described which pharmaceutical dosage form consists of a pharmaceutical coating on a sugar core.Type: GrantFiled: February 1, 1993Date of Patent: September 20, 1994Assignee: American Home Products CorporationInventor: Giustino Bianco
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Patent number: 5287595Abstract: A combination glide and pintle for furniture is provided which is integrally molded in one piece from a thermoplastic.Type: GrantFiled: September 2, 1992Date of Patent: February 22, 1994Assignee: Robert E. Miller & Co., Inc.Inventor: William H. Y. Stevens, Jr.
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Patent number: 5210099Abstract: The invention provides an analgesic cream containing ibuprofen with superior skin penetration properties obtained in part by maintaining a pH of 4 to 7.2 such that the ibuprofen is suspended in substantially solid crystalline form.Type: GrantFiled: January 8, 1992Date of Patent: May 11, 1993Assignee: American Home Products CorporationInventors: Dhiraj S. Mody, Robert G. Blank, Gary R. Agisim, Gloria Y. Chen
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Patent number: 5185373Abstract: The invention provides ibuprofen and ibuprofen containing pharmaceutical preparations stabilized against thermal degradation by the presence of a phenolic type antioxidant.Type: GrantFiled: August 13, 1991Date of Patent: February 9, 1993Assignee: American Home Products CorporationInventors: Solomon Motola, Robert G. Blank, Alan R. Branfman
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Patent number: 5087454Abstract: Ibuprofen tablets/caplets formed by wet granulation of the ibuprofen characterized by a dissolution profile maintained stable on aging by incorporating croscarmellose sodium separately into the wet granulation and the compression mix and further incorporating sodium lauryl sulfate into the compression mix.Type: GrantFiled: July 30, 1990Date of Patent: February 11, 1992Assignee: American Home Products CorporationInventors: Joanne R. Duerholz, Dolores DiMaria, Robert G. Blank
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Patent number: 5028625Abstract: A water-soluble salt of ibuprofen with meglumine (N-methylglucamine) is prepared, isolate and characterized and pharmaceutical preparations containing the salt for oral administration are described which are clear, pleasant tasting liquids.Type: GrantFiled: June 20, 1989Date of Patent: July 2, 1991Assignee: American Home Products CorporationInventors: Solomon Motola, Alan R. Branfman, Gary R. Agisim, Donald J. Quirk
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Patent number: 5024997Abstract: Palatable ibuprofen aqueous base solutions are described which contain dissolved therein ibuprofen and hydroxypropyl beta cyclodextrin, which form an inclusion complex, and sweeteners to mask the sour taste common to organic acids.Type: GrantFiled: June 22, 1990Date of Patent: June 18, 1991Assignee: American Home Products CorporationInventors: Solomon Motola, Gary R. Agisim, Annabelle Mogavero
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Patent number: 4975465Abstract: A liquid water base ibuprofen composition for oral administration is described, the ibuprofen being maintained in suspension by a combination of primary suspending agents and being taste masked by primary taste masking agents, the composition also containing a buffer acid to adjust the pH of the composition to between 1.5 and up to about 3.5 and to provide a buffer capacity within the range of 0.03 to 0.05 between the initial pH and a pH which is 1.0 pH unit higher than the initial pH.Type: GrantFiled: March 28, 1989Date of Patent: December 4, 1990Assignee: American Home Products CorporationInventors: Solomon Motola, Annabelle Mogavero, Gary R. Agisim, Pamela N. Panopoulos
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Patent number: 4966768Abstract: A sustained release dosage form of etodolac is provided which is a tablet having as essential components etodolac, hydroxyproplymethylcellulose, ethylcellulose and a release rate modifying agent such as dibasic sodium phosphate, the hydroxyproplymethylcellulose having a hydroxypropoxyl content of about 7.0% to 8.6% by weight.Type: GrantFiled: November 7, 1988Date of Patent: October 30, 1990Assignee: American Home Products CorporationInventors: John J. Michelucci, Deborah M. Sherman, Richard J. DeNeale
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Patent number: 4946684Abstract: A pharmaceutical dosage form is provided which disintegrates rapidly in water having an open matrix network structure comprised of mannitol and a natural gum and which can be used particularly for oral administration to pediatric and geriatric patients.Type: GrantFiled: June 20, 1989Date of Patent: August 7, 1990Assignee: American Home Products CorporationInventors: Robert G. Blank, Dhiraj S. Mody, Richard J. Kenny, Martha C. Aveson
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Patent number: 4928840Abstract: A tamper-proof capsule dosage form for pharmaceuticals having a medicinal containing caplet adhesively bonded to the inner end surfaces of the capsule such that upon tampering the capsule dosage form will be destroyed or rendered non-reusable.Type: GrantFiled: February 25, 1986Date of Patent: May 29, 1990Assignee: American Home Products CorporationInventors: Stanley F. Barshay, Peter Mayer