Patents by Inventor Mitchell I. Kirschner

Mitchell I. Kirschner 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).

  • Long acting GI and esophageal protectant
    Patent number: 5858391
    Abstract: A bioadherent, orally ingestible system, which comprises: a water-in-oil emulsion system having at least two phases, one phase comprises from about 75% to about 99% by volume of an internal hydrophylic phase and the other phase comprises from about 25% to about 1% by volume of an external hydrophobic phase, wherein the external hydrophobic phase comprises two components, one component being about 3% to about 97% by volume of the hydrophobic phase of a hydrophobic oil and the other being about 97% to about 3% of an emulsifier having a HLB value less than about 10.
    Type: Grant
    Filed: May 28, 1997
    Date of Patent: January 12, 1999
    Assignee: KV Pharmaceutical Company
    Inventors: Robert C. Cuca, Keith S. Lienhop, Thomas Charles Riley, Jr., Mitchell I. Kirschner, R. Saul Levinson
  • Long acting GI and esophageal protectant
    Patent number: 5670163
    Abstract: A bioadherent, orally ingestible system, which comprises: a water-in-oil emulsion system having at least two phases, one phase comprises from about 75% to about 99% by volume of an internal hydrophylic phase and the other phase comprises from about 25% to about 1% by volume of an external hydrophobic phase, wherein the external hydrophobic phase comprises two components, one component being about 3% to about 97% by volume of the hydrophobic phase of a hydrophobic oil and the other being about 97% to about 3% of an emulsifier having a HLB value less than about 10.
    Type: Grant
    Filed: May 2, 1995
    Date of Patent: September 23, 1997
    Assignee: KV Pharmaceuticals Company
    Inventors: Robert C. Cuca, Keith S. Lienhop, Thomas Charles Riley, Jr., Mitchell I. Kirschner, R. Saul Levinson
  • Bioadhesive pharmaceutical delivery system
    Patent number: 5554380
    Abstract: A solid or semi-solid bioadherent, orally ingestible drug delivery system containing a water-in-oil system having at least two phases, one phase comprises from about 25% to about 75% by volume of an internal hydrophilic phase and the other phase comprises from about 25% to about 75% by volume of an external hydrophobic phase and wherein the external hydrophobic phase is comprised of three components, a) an emulsifier, b) a glyceride ester and c) a wax material.
    Type: Grant
    Filed: May 15, 1995
    Date of Patent: September 10, 1996
    Assignee: KV Pharmaceutical Company
    Inventors: Robert C. Cuca, Keith S. Lienhop, Thomas C. Riley, Jr., R. Saul Levinson, Mitchell I. Kirschner
  • Long acting GI and esophageal protectant
    Patent number: 5554379
    Abstract: A bioadherent, orally ingestible system, which comprises: a water-in-oil system having at least two phases, one phase comprises from about 75% to about 99% by volume of an internal hydrophylic phase and the other phase comprises from about 25% to about l% by volume of an external hydrophobic phase, wherein the external hydrophobic phase comprises two components, one component being about 3% to about 97% by volume of the hydrophobic phase of a hydrophobic oil and the other being about 97% to about 3% of an emulsifier having a HLB value less than about 10.
    Type: Grant
    Filed: June 20, 1994
    Date of Patent: September 10, 1996
    Assignee: KV Pharmaceutical Company
    Inventors: Robert Cuca, Keith Lienhop, Thomas Riley, Mitchell I. Kirschner, R. Saul Levinson
  • Multi-vitamin and mineral supplement for pregnant women
    Patent number: 5494678
    Abstract: Multi-vitamin and mineral supplements for administration to a pregnant woman during her first, second, and third trimesters of pregnancy comprising specific regimens of a pharmaceutically acceptable calcium compound, vitamin D, folic acid, vitamin B.sub.12, vitamin B.sub.6, and vitamin B.sub.1. The prenatal supplements are specifically tailored to maximize fetal development and maternal health during each trimester of pregnancy.
    Type: Grant
    Filed: March 27, 1995
    Date of Patent: February 27, 1996
    Assignee: KV Pharmaceutical Corporation
    Inventors: George Paradissis, R. Saul Levinson, Gary Heeter, Robert Cuca, Mitchell I. Kirschner
  • Tamper evident pharmaceutical capsule
    Patent number: 4973480
    Abstract: A tamper evident pharmaceutical capsule which contains an active agent. The capsule is coated on its external surfaces to provide an indication of tampering.
    Type: Grant
    Filed: June 23, 1989
    Date of Patent: November 27, 1990
    Assignee: K.V. Pharmaceutical Co.
    Inventors: Marc S. Hermelin, Mitchell I. Kirschner, George N. Paradissis
  • Fibre formulations
    Patent number: 4869908
    Abstract: Tablets containing nutritional and therapeutic substances in conjunction with dietrary fibre substances. The tablets can be formulated in two layers which separate the nutritional and therapeutic substances from the fibre.
    Type: Grant
    Filed: January 9, 1987
    Date of Patent: September 26, 1989
    Assignee: K.V. Pharmaceutical Co.
    Inventors: Mitchell I. Kirschner, William H. Dorow
  • Tamper evident pharmaceutical capsule
    Patent number: 4844906
    Abstract: A tamper evident pharmaceutical capsule which contains an active agent. The capsule is coated on its external surfaces to provide an indication of tampering.
    Type: Grant
    Filed: March 25, 1987
    Date of Patent: July 4, 1989
    Assignee: KV Pharmaceutical Company
    Inventors: Marc S. Hermelin, Mitchell I. Kirschner, George N. Paradissis