Patents by Inventor Robert Marschall

Robert Marschall 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).

  • Rollable re-closeable packaging and method for producing such a packaging
    Publication number: 20040032994
    Abstract: The invention relates to a package with a roll-up re-sealing system and a process for the production of such a package, especially flexible bags.
    Type: Application
    Filed: July 3, 2003
    Publication date: February 19, 2004
    Applicant: MARS INC
    Inventors: Robert Marschall, Heike Sander, Michael Ellenrieder, Julia Specht
  • One-step, one-container method for the preparation of pyridoxylated hemoglobin
    Patent number: 5380824
    Abstract: A pyridoxylated hemoglobin is prepared in a one-step, one-container process from red blood cells or essentially stroma-free hemoglobin by suspending the cells or hemoglobin in an aqueous medium, adding a chemical reducing agent and a pyridoxylating agent, and heating the reaction mixture obtained at a certain temperature for a certain time, while maintaining reducing conditions in the reaction medium.
    Type: Grant
    Filed: December 15, 1993
    Date of Patent: January 10, 1995
    Assignee: Pharmacia Aktiebolag
    Inventors: Robert Marschall, Rainer Eketorp