Patents by Inventor Lawrence J. Rosania

Lawrence J. Rosania 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: 4475919
    Abstract: A pharmaceutical tablet consists of a substrate containing a medicament and may be covered with a coating, said coating including a pigment comprising a natural water insoluble edible powder dyed with an edible natural dye. The pigment for coloring the tablet, or other pharmaceutical products, as well as food and cosmetics, is made by suspending a natural water insoluble edible powdered substrate in an aqueous vehicle and dyeing the suspended powdered substrate with an edible natural dye. The liquid is removed to obtain the dry pigment powder of the invention which then can be suspended in a suspending medium and used for coating products to be colored such as food, drug and cosmetic products.
    Type: Grant
    Filed: January 6, 1982
    Date of Patent: October 9, 1984
    Assignee: Colorcon, Inc.
    Inventors: Edward J. Woznicki, Lawrence J. Rosania, Keith Marshall
  • Patent number: 4336244
    Abstract: A pharmaceutical tablet consists of a substrate containing a medicament and may be covered with a coating, said coating including a pigment comprising a natural water insoluble edible powder dyed with an edible natural dye. The pigment for coloring the tablet, or other pharmaceutical products, as well as food and cosmetics, is made by suspending a natural water insoluble edible powdered substrate in an aqueous vehicle and dyeing the suspended powdered substrate with an edible natural dye. The liquid is removed to obtain the dry pigment powder of the invention which then can be suspended in a suspending medium and used for coating products to be colored such as food, drug and cosmetic products.
    Type: Grant
    Filed: April 28, 1980
    Date of Patent: June 22, 1982
    Assignee: Colorcon, Inc.
    Inventors: Edward J. Woznicki, Lawrence J. Rosania, Keith Marshall
  • Patent number: 4274830
    Abstract: A pharmaceutical tablet consists of a substrate containing a medicament and may be covered with a coating, said coating including a pigment comprising a natural water insoluble edible powder dyed with an edible natural dye. The pigment for coloring the tablet, or other pharmaceutical products, as well as food and cosmetics, is made by suspending a natural water insoluble edible powdered substrate in an aqueous vehicle and dyeing the suspended powdered substrate with an edible natural dye. The liquid is removed to obtain the dry pigment powder of the invention which then can be suspended in a suspending medium and used for coating products to be colored such as food, drug and cosmetic products.
    Type: Grant
    Filed: September 27, 1977
    Date of Patent: June 23, 1981
    Assignee: Colorcon, Inc.
    Inventors: Edward J. Woznicki, Lawrence J. Rosania, Keith Marshall