Patents by Inventor Micheal Ibea

Micheal Ibea 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).

  • Process for the preparation of activated polyethylene glycols
    Patent number: 7125558
    Abstract: The present invention relates to a process for the preparation of activated polyethylene glycols, or PEG(NPC)2s, comprising reacting polyethylene glycol with an activator while in the presence of an aromatic nitrogen containing heterocyclic base. The process is carried out at temperatures ranging from about 20 to about 30° C., more preferably at room temperature, and under stoichiometric conditions.
    Type: Grant
    Filed: August 22, 2002
    Date of Patent: October 24, 2006
    Assignee: Bioartificial Gel Technologies Inc,
    Inventors: Marie-Pierre Faure, Micheal Ibea