Patents by Inventor Richard Charles Oppenheim

Richard Charles Oppenheim 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).

  • Discoloration-resistant vitamin composition
    Patent number: 6403119
    Abstract: The invention disclosed herein includes a vitamin composition encapsulated in a soft or hard shell capsule, said vitamin composition comprising water soluble vitamin particles suspended in a fill liquid, wherein said water soluble vitamin particles are coated with a material that is substantially insoluble in the fill liquid and the shell of the capsule, but soluble in the gastrointestinal tract of a mammal, and the coated water soluble vitamin particles are of a size that are suitable for encapsulating as a suspension in said capsule. The invention also includes a process for manufacturing the same. Vitamin containing capsules according to this invention are discoloration-resistant.
    Type: Grant
    Filed: May 4, 2000
    Date of Patent: June 11, 2002
    Assignee: R. P. Scherer Technologies, Inc.
    Inventors: Richard Charles Oppenheim, Hung Cam Truong
  • Discoloration-resistant vitamin composition
    Publication number: 20020004069
    Abstract: The invention disclosed herein includes a vitamin composition encapsulated in a soft or hard shell capsule, said vitamin composition comprising water soluble vitamin particles suspended in a fill liquid, wherein said water soluble vitamin particles are coated with a material that is substantially insoluble in the fill liquid and the shell of the capsule, but soluble in the gastrointestinal tract of a mammal, and the coated water soluble vitamin particles are of a size that are suitable for encapsulating as a suspension in said capsule. The invention also includes a process for manufacturing the same. Vitamin containing capsules according to this invention are discoloration-resistant.
    Type: Application
    Filed: May 4, 2000
    Publication date: January 10, 2002
    Inventors: Richard Charles Oppenheim, Hung Cam Truong
  • Injectable compositions, nanoparticles useful therein, and process of manufacturing same
    Patent number: 4107288
    Abstract: Particles in the size range from about 10 to about 1000 nm, preferably less than about 500 nm, which comprise a crosslinked matrix of macromolecules of natural origin.A biologically or pharmacodynamically active material may be supported on or incorporated into the matrix.
    Type: Grant
    Filed: September 9, 1975
    Date of Patent: August 15, 1978
    Assignee: Pharmaceutical Society of Victoria
    Inventors: Richard Charles Oppenheim, Jennifer Joy Marty, Peter Speiser