Patents by Inventor Stuart C. Porter
Stuart C. Porter 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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Publication number: 20210371691Abstract: The present application provides high solids film coating compositions comprising a water-soluble cellulose ether, hydroxy propyl cellulose (HPC), a poly (N-vinyl pyrrolidone-co-vinyl acetate) copolymer, a film-forming agent based on D-glucose, plasticizer, medium chain triglycerides (MCT) and an anti-tack agent. The invention further provides a process for preparing the above described film coating compositions and method of coating solid substrate with such coating compositions.Type: ApplicationFiled: October 7, 2019Publication date: December 2, 2021Applicant: ISP INVESTMENTS LLCInventors: Kapish KARAN, Ronald HACH, Stuart C. PORTER
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Patent number: 8883176Abstract: The invention describes a coating composition comprising an effective amount of a water-soluble cellulose ether, a poly(N-vinyl pyrrolidone-co-vinyl acetate) copolymer, a film-forming agent based on D-glucose, and a plasticizer.Type: GrantFiled: September 24, 2009Date of Patent: November 11, 2014Assignee: ISP Investments Inc.Inventors: Lana L. Terzian, Stuart C. Porter
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Publication number: 20110189245Abstract: The invention describes a coating composition comprising an effective amount of a water-soluble cellulose ether, a poly(N-vinyl pyrrolidone-co-vinyl acetate) copolymer, a film-forming agent based on D-glucose, and a plasticizer.Type: ApplicationFiled: September 24, 2009Publication date: August 4, 2011Inventors: Lana L. Terzian, Stuart C. Porter
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Patent number: 6468561Abstract: Providing a film coating on solid forms such as pharmaceutical tablets, foods, confectionery forms, seeds for agriculture, and the like by coating them with polydextrose, or a combination of polydextrose and another polymer, or a layer of polydextrose overcoated by a layer of another polymer.Type: GrantFiled: June 30, 1997Date of Patent: October 22, 2002Assignee: BPSI Holdings, Inc.Inventors: Susan M. Grillo, Rita M. Steffenino, Stuart C. Porter, Edward J. Woznicki, David K. Isganitis
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Patent number: 6348090Abstract: A dry film coating composition for forming a coating suspension for film coating nutritional supplements, pharmaceutical tablets, and the like, including tapica dextrin and a detackifier.Type: GrantFiled: September 14, 2000Date of Patent: February 19, 2002Assignee: BPSI Holdings, Inc.Inventors: Susan M. Grillo, Brian Korchok, Bruce Kinsey, Stuart C. Porter, George Reyes, Thomas J. Burke, Charles Cunningham
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Patent number: 6274162Abstract: A dry film coating composition for forming a coating suspension for film coating pharmaceuticals, food, confectionery forms, agricultural seeds, and the like, comprises (1) a primary film former, the primary film former comprising low bloom strength gelatin, or hydroxyethyl cellulose, or a combination thereof, and (2) a secondary film former, or a plasticizer, or a surfactant, or a glidant, or a suspension aid, or a colorant, or a flavorant, or a combination thereof.Type: GrantFiled: January 14, 2000Date of Patent: August 14, 2001Assignee: BPSI Holdings, Inc.Inventors: Rita M. Steffenino, Charles F. Vesey, Kurt A. Fegely, Brian D. Korchok, Stuart C. Porter
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Patent number: 6267808Abstract: A dry film coating composition used to make a bright white film coating for nutritional supplements, pharmaceutical tablets, and the like, comprises dextrose, an auxiliary film-former, and titanium dioxide. Optionally, but advantageously, the coating composition also ay include one or more of the following components: a plasticizer, a surfactant, a flow aid, and a preservative.Type: GrantFiled: January 5, 2001Date of Patent: July 31, 2001Assignee: BPSI Holdings, Inc.Inventors: Susan M. Grillo, Brian Korchok, Bruce Kinsey, Melanie Hartman, Stuart C. Porter, Rita Steffenino, George Reyes, Thomas J. Burke
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Patent number: 6248391Abstract: A dry film coating composition used to make a bright white film coating for nutritional supplements, pharmaceutical tablets, and the like, comprises dextrose, an auxiliary film-former, and titanium dioxide. Optionally, but advantageously, the coating composition also may include one or more of the following components: a plasticizer, a surfactant, a flow aid, and a preservative.Type: GrantFiled: July 16, 1997Date of Patent: June 19, 2001Assignee: BPSI Holdings, Inc.Inventors: Susan M. Grillo, Brian Korchok, Bruce Kinsey, Melanie Hartman, Stuart C. Porter, Rita Steffenino, George Reyes, Thomas J. Burke
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Patent number: 6183808Abstract: A dry film coating composition for forming a coating suspension for film coating nutritional supplements, pharmaceutical tablets, and the like, comprising a dextrin and a detackifier.Type: GrantFiled: January 2, 1998Date of Patent: February 6, 2001Assignee: BPSI Holdings, Inc.Inventors: Susan M. Grillo, Brian Korchok, Bruce Kinsey, Stuart C. Porter, George Reyes, Thomas J. Burke, Charles Cunningham
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Patent number: 6039976Abstract: A non-toxic edible enteric film coating dry powder composition for use in making an aqueous enteric coating suspension which may be used in coating pharmaceutical tablets and the like comprises an enteric film forming polymer, a detackifier, a viscosity modifier, and an alkalizing/anti-coagulating agent. Advantageously, the inventive dry powder compositions may include a solid plasticizer, a lubricant, an anti-caking agent, a liquid plasticizer, and a pigment.Type: GrantFiled: November 26, 1997Date of Patent: March 21, 2000Assignee: BPSI Holdings, Inc.Inventors: Dev K. Mehra, Chittamuru Ramireddy, Li-Juan Tang, Stuart C. Porter
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Patent number: 6013282Abstract: A non-toxic edible enteric film coating dry powder composition for use in making an aqueous enteric coating suspension which may be used in coating pharmaceutical tablets and the like comprises an enteric film forming polymer, a detackifier, a viscosity modifier, and an alkalizing/anti-coagulating agent. Advantageously, the inventive dry powder compositions may include a solid plasticizer, a lubricant, an anti-caking agent, a liquid plasticizer, and a pigment.Type: GrantFiled: November 26, 1997Date of Patent: January 11, 2000Assignee: Bpsi Holdings, Inc.Inventors: Dev K. Mehra, Chittamuru Ramireddy, Li-Juan Tang, Stuart C. Porter
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Patent number: 5733575Abstract: A non-toxic edible enteric film coating dry powder composition for use in making an aqueous enteric coating suspension which may be used in coating pharmaceutical tablets and the like comprises an enteric film forming polymer, a detackifier, a viscosity modifier, and an alkalizing/anti-coagulating agent. Advantageously, the inventive dry powder compositions may include a solid plasticizer, a lubricant, an anti-caking agent, a liquid plasticizer, and a pigment.Type: GrantFiled: October 7, 1994Date of Patent: March 31, 1998Assignee: BPSI Holdings, Inc.Inventors: Dev K. Mehra, Chittamuru Ramireddy, Li-Juan Tang, Stuart C. Porter
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Patent number: 4828841Abstract: A pharmaceutical, confectionery or food tablet coated on all its exterior surfaces with maltodextrin, which masks the characteristic taste of the tablet ingredients and does not have a slimy taste, with the coating composition comprising maltodextrin, an effective amount of a plasticizer to make the maltodextrin non-brittle and non-cracking when coated onto a tablet, an effective amount of a detackifier for making the maltodextrin and plasticizer non-tacky, a secondary film former to impart gloss and strength to the maltodextrin film coating, and a colorant for imparting color. A method of making tablets coated with maltodextrin.Type: GrantFiled: November 5, 1987Date of Patent: May 9, 1989Assignee: Colorcon, Inc.Inventors: Stuart C. Porter, Edward J. Woznicki
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Patent number: 4725441Abstract: A pharmaceutical, confectionery or food tablet coated on all its exterior surfaces with maltodextrin, which masks the characteristic taste of the tablet ingredients and does not have a slimy taste, with the coating composition comprising maltodextrin, an effective amount of a plasticizer to make the maltodextrin non-brittle and non-cracking when coated onto a tablet, an effective amount of a detackifier for making the maltodextrin and plasticizer non-tacky, a secondary film former to impart gloss and strength to the maltodextrin film coating, and a colorant for imparting color. A method of making tablets coated with maltodextrin.Type: GrantFiled: October 1, 1986Date of Patent: February 16, 1988Assignee: Colorcon, Inc.Inventors: Stuart C. Porter, Edward J. Woznicki
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Patent number: 4704295Abstract: A non-toxic edible enteric film coating dry powder and aqueous enteric coating suspension for coating pharmaceutical tablets and the like; the enteric coated tablets; and methods of making the enteric coating dry powder, the aqueous coating suspension, and of coating the tablets.Type: GrantFiled: August 30, 1985Date of Patent: November 3, 1987Assignee: Colorcon, Inc.Inventors: Stuart C. Porter, Edward J. Woznicki, Susan M. Grillo, Louis F. D'Andrea
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Patent number: 4683256Abstract: A dry powder edible film coating composition for use in pharmaceuticals, confectionery and food, comprising a dry mixture including powdered particles of a film forming non-toxic polymer, powdered edible pigment particles, and an edible polymer plasticizer, said dry mixture being solvent free. A method of making a dry powder edible film coating composition of powdered pigment particles for use in pharmaceuticals, confectionery and food, comprising the steps of mixing a powder of a film forming polymer and powdered pigment particles in a blender to form a polymer-pigment mix, and adding the plasticizer to the blender containing the polymer-pigment mix and mixing until the combined mix is blended to form the dry powder edible film coating composition.Type: GrantFiled: July 29, 1985Date of Patent: July 28, 1987Assignee: Colorcon, Inc.Inventors: Stuart C. Porter, Edward J. Woznicki
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Patent number: 4643894Abstract: A pharmaceutical, confectionery or food tablet coated on all its exterior surfaces with maltodextrin, which masks the characteristic taste of the tablet ingredients and does not have a slimy taste, with the coating composition comprising maltodextrin, an effective amount of a plasticizer to make the maltodextrin non-brittle and non-cracking when coated onto a tablet, an effective amount of a detackifier for making the maltodextrin and plasticizer non-tacky, a secondary film former to impart gloss and strength to the maltodextrin film coating, and a colorant for imparting color. A method of making tablets coated with maltodextrin.Type: GrantFiled: July 24, 1984Date of Patent: February 17, 1987Assignee: Colorcon, Inc.Inventors: Stuart C. Porter, Edward J. Woznicki
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Patent number: 4556552Abstract: A non-toxic edible enteric film coating dry powder and aqueous enteric coating suspension for coating pharmaceutical tablets and the like; the enteric coated tablets; and methods of making the enteric coating dry powder, the aqueous coating suspension, and of coating the tablets.Type: GrantFiled: September 19, 1983Date of Patent: December 3, 1985Assignee: Colorcon, Inc.Inventors: Stuart C. Porter, Edward J. Woznicki, Susan M. Grillo, Louis F. D'Andrea
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Patent number: 4543370Abstract: A dry powder edible film coating composition for use in pharmaceuticals, confectionery and food, comprising a dry mixture including powdered particles of a film forming non-toxic polymer, powdered edible pigment particles, and an edible polymer plasticizer, said dry mixture being solvent free. A method of making a dry powder edible film coating composition of powdered pigment particles for use in pharmaceuticals, confectionery and food, comprising the steps of mixing a powder of a film forming polymer and powdered pigment particles in a blender to form a polymer-pigment mix, and adding the plasticizer to the blender containing the polymer-pigment mix and mixing until the combined mix is blended to form the dry powder edible film coating composition.Type: GrantFiled: November 6, 1980Date of Patent: September 24, 1985Assignee: Colorcon, Inc.Inventors: Stuart C. Porter, Edward J. Woznicki