Patents by Inventor Grayson Walker Stowell

Grayson Walker Stowell 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).

  • Patent number: 6780880
    Abstract: Fourier Transform Raman Spectroscopy (FT-Raman) determines the isomer ratio of chemical compositions.
    Type: Grant
    Filed: August 25, 2000
    Date of Patent: August 24, 2004
    Inventors: Robert R. Whittle, Frederick D. Sancilio, Grayson Walker Stowell
  • Publication number: 20040157887
    Abstract: Compounds represented by formula (Ia) are disclosed by the invention, along with compositions and complexes thereof, optionally in combination with compounds of formula (Ib). Pharmaceutical formulations and methods of making and using such compounds are also disclosed.
    Type: Application
    Filed: February 2, 2004
    Publication date: August 12, 2004
    Inventors: Robert R. Whittle, Frederick D. Sancilio, Grayson Walker Stowell, Douglas John Jenkins, Linda B. Whittall
  • Patent number: 6706737
    Abstract: Compounds represented by formula (Ia) are disclosed by the invention, along with compositions and complexes thereof, optionally in combination with compounds of formula (Ib). Pharmaceutical formulations and methods of making and using such compounds are also disclosed.
    Type: Grant
    Filed: May 8, 2003
    Date of Patent: March 16, 2004
    Inventors: Robert R. Whittle, Frederick D. Sancilio, Grayson Walker Stowell, Douglas John Jenkins
  • Patent number: 6673936
    Abstract: The present invention provides processes for purifying 6-methoxy omeprazole, products using such processes, pharmaceutical formulations using such products, and methods of using such products for gastric acid inhibition.
    Type: Grant
    Filed: April 20, 2001
    Date of Patent: January 6, 2004
    Inventors: Linda B. Whittall, Grayson Walker Stowell, Robert R. Whittle
  • Patent number: 6667321
    Abstract: Compounds represented by formula (Ia) are disclosed by the invention, along with compositions and complexes thereof, optionally in combination with compounds of formula (Ib). Pharmaceutical formulations and methods of making and using such compounds are also disclosed.
    Type: Grant
    Filed: July 3, 2002
    Date of Patent: December 23, 2003
    Inventors: Robert R. Whittle, Frederick D. Sancilio, Grayson Walker Stowell, Douglas John Jenkins, Linda B. Whittall
  • Patent number: 6667324
    Abstract: Compounds represented by formula (Ia) are disclosed by the invention, along with compositions and complexes thereof, optionally in combination with compounds of formula (Ib). Pharmaceutical formulations and methods of making and using such compounds are also disclosed.
    Type: Grant
    Filed: May 16, 2003
    Date of Patent: December 23, 2003
    Inventors: Robert R. Whittle, Frederick D. Sancilio, Grayson Walker Stowell, Douglas John Jenkins, Linda B. Whittall
  • Patent number: 6667323
    Abstract: Compounds represented by formula (Ia) are disclosed by the invention, along with compositions and complexes thereof, optionally in combination with compounds of formula (Ib). Pharmaceutical formulations and methods of making and using such compounds are also disclosed.
    Type: Grant
    Filed: May 7, 2003
    Date of Patent: December 23, 2003
    Inventors: Robert R. Whittle, Frederick D. Sancilio, Grayson Walker Stowell, Douglas John Jenkins, Linda D. Whittall
  • Patent number: 6660864
    Abstract: Polymorphs Form B, Form C, and amorphous of 6-[4-(1-cyclohexyl-1H-tetrazol-5-yl)butoxy]-3,4-dihydro-2(1H)-quinolinone, commonly known as cilostazol, have been identified. These polymorphs may be formed in pure form, in combination with each other, in combination with other polymorphs of cilostazol, or together with other pharmaceutical agents. Processes for preparing these polymorphs, and combinations of these polymorphs, as well as methods of use and unit dosages of these polymorphic forms, and their combinations, are described.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: December 9, 2003
    Inventors: Grayson Walker Stowell, Robert R. Whittle
  • Publication number: 20030225136
    Abstract: Compounds represented by formula (Ia) are disclosed by the invention, along with compositions and complexes thereof, optionally in combination with compounds of formula (Ib). Pharmaceutical formulations and methods of making and using such compounds are also disclosed.
    Type: Application
    Filed: May 8, 2003
    Publication date: December 4, 2003
    Inventors: Robert R. Whittle, Frederick D. Sancilio, Grayson Walker Stowell, Douglas John Jenkins, Linda B. Whittall
  • Publication number: 20030225135
    Abstract: Compounds represented by formula (Ia) are disclosed by the invention, along with compositions and complexes thereof, optionally in combination with compounds of formula (Ib). Pharmaceutical formulations and methods of making and using such compounds are also disclosed.
    Type: Application
    Filed: May 7, 2003
    Publication date: December 4, 2003
    Inventors: Robert R. Whittle, Frederick D. Sancilio, Grayson Walker Stowell, Douglas John Jenkins, Linda D. Whittall
  • Publication number: 20030225137
    Abstract: Compounds represented by formula (Ia) are disclosed by the invention, along with compositions and complexes thereof, optionally in combination with compounds of formula (Ib). Pharmaceutical formulations and methods of making and using such compounds are also disclosed.
    Type: Application
    Filed: May 16, 2003
    Publication date: December 4, 2003
    Inventors: Robert R. Whittle, Frederick D. Sancilio, Grayson Walker Stowell, Douglas John Jenkins, Linda B. Whittall
  • Patent number: 6657061
    Abstract: Polymorphs Form B, Form C, and amorphous of 6-[4-(1-cyclohexyl-1H-tetrazol-5-yl)butoxy]-3,4-dihydro-2(1H)-quinolinone, commonly known as cilostazol, have been identified. These polymorphs may be formed in pure form, in combination with each other, in combination with other polymorphs of cilostazol, or together with other pharmaceutical agents. Processes for preparing these polymorphs, and combinations of these polymorphs, as well as methods of use and unit dosages of these polymorphic forms, and their combinations, are described.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: December 2, 2003
    Inventors: Grayson Walker Stowell, Robert R. Whittle
  • Patent number: 6653329
    Abstract: Compounds represented by formula (Ia) are disclosed by the invention, along with compositions and complexes thereof, optionally in combination with compounds of formula (Ib). Pharmaceutical formulations and methods of making and using such compounds are also disclosed.
    Type: Grant
    Filed: May 16, 2003
    Date of Patent: November 25, 2003
    Inventors: Robert R. Whittle, Frederick D. Sancilio, Grayson Walker Stowell, Douglas John Jenkins, Linda B. Whittall
  • Publication number: 20030191141
    Abstract: A novel polymorphic form of risperidone (3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-&agr;]pyrimidin-4-one) is useful in pharmaceutical compositions, either in pure form or in combination with other forms of risperidone.
    Type: Application
    Filed: March 28, 2002
    Publication date: October 9, 2003
    Inventors: Inigo Pfeiffer, Robert R. Whittle, Grayson Walker Stowell, Linda B. Whittall
  • Publication number: 20030191140
    Abstract: A novel polymorphic form of risperidone (3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-&agr;]pyrimidin-4-one) is useful in pharmaceutical compositions, either in pure form or in combination with other forms of risperidone.
    Type: Application
    Filed: March 28, 2002
    Publication date: October 9, 2003
    Inventors: Inigo Pfeiffer, Robert R. Whittle, Grayson Walker Stowell, Linda B. Whittall
  • Patent number: 6608091
    Abstract: The present invention provides processes for purifying 6-methoxy omeprazole, products using such processes, pharmaceutical formulations using such products, and methods of using such products for gastric acid inhibition.
    Type: Grant
    Filed: April 20, 2001
    Date of Patent: August 19, 2003
    Inventors: Linda B. Whittall, Grayson Walker Stowell, Robert R. Whittle
  • Patent number: 6596871
    Abstract: Polymorphs Form B, Form C, and amorphous of 6-[4-(1-cyclohexyl-1H-tetrazol-5-yl)butoxy]-3,4-dihydro-2(1H)-quinolinone, commonly known as cilostazol, have been identified. These polymorphs may be formed in pure form, in combination with each other, in combination with other polymorphs of cilostazol, or together with other pharmaceutical agents. Processes for preparing these polymorphs, and combinations of these polymorphs, as well as methods of use and unit dosages of these polymorphic forms, and their combinations, are described.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: July 22, 2003
    Inventors: Grayson Walker Stowell, Robert R. Whittle
  • Publication number: 20030105360
    Abstract: The present invention relates to novel polymorphic Form A of fluoxetine hydrochloride.
    Type: Application
    Filed: August 20, 2002
    Publication date: June 5, 2003
    Inventors: Grayson Walker Stowell, Robert R. Whittle
  • Patent number: 6573382
    Abstract: Polymorphs Form B, Form C, and amorphous of 6-[4-(1-cyclohexyl-1H-tetrazol-5-yl)butoxy]-3,4-dihydro-2(1H)-quinolinone, commonly known as cilostazol, have been identified. These polymorphs may be formed in pure form, in combination with each other, in combination with other polymorphs of cilostazol, or together with other pharmaceutical agents. Processes for preparing these polymorphs, and combinations of these polymorphs, as well as methods of use and unit dosages of these polymorphic forms, and their combinations, are described.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: June 3, 2003
    Inventors: Grayson Walker Stowell, Robert R. Whittle
  • Publication number: 20030096845
    Abstract: Compounds represented by formula (Ia) are disclosed by the invention, along with compositions and complexes thereof, optionally in combination with compounds of formula (Ib). Pharmaceutical formulations and methods of making and using such compounds are also disclosed.
    Type: Application
    Filed: July 3, 2002
    Publication date: May 22, 2003
    Inventors: Robert R. Whittle, Frederick D. Sancillio, Grayson Walker Stowell, Douglas John Jenkins, Linda B. Whittall