Patents by Inventor Thurman M. Wheeler

Thurman M. Wheeler 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).

  • Biocatalytic process for preparing tetraalkylbiphenols
    Patent number: 5583267
    Abstract: In accordance with the present invention, tetraalkylbisphenols are prepared by biocatalytic dimerization of di-(lower alkyl)-substituted phenols in the presence of peroxidase enzyme and peroxide. Three reaction pathways to the desired diols are provided.
    Type: Grant
    Filed: January 27, 1995
    Date of Patent: December 10, 1996
    Assignee: Enzymol International, Inc.
    Inventors: Thurman M. Wheeler, Mark K. Morehart, Gregory Kaplan, Alexander R. Pokora
  • Process for the biocatalytic coupling of aromatic compounds in the presence of a radical transfer agent
    Patent number: 5541091
    Abstract: A process is described for the dimerization of a substituted aromatic compound of the formula (I): ##STR1## wherein X represents --OH, --SH or --NHR where R is H, an alkyl group or an aryl group; R.sup.1 and R.sup.2 represent an alkyl group, an aryl group, an alkenyl group, an alkynyl group, an alicyclic group, a halogen atom, an alkoxy group, an aryloxy group, a hydroxy group, or an amino group; and R.sup.3 and R.sup.4 can have the same definition as R.sup.1 and R.sup.2 and may additionally represent a hydrogen atom; which comprises reacting the substituted aromatic compound in the presence of a peroxidase enzyme, a peroxide and a radical transfer agent in an aqueous medium.
    Type: Grant
    Filed: April 5, 1995
    Date of Patent: July 30, 1996
    Assignee: Enzymol International, Inc.
    Inventors: Thurman M. Wheeler, Joseph Borovsky, Alexander Pokora