Patents by Inventor Alan R. Katritzksy

Alan R. Katritzksy 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).

  • Poly(amido methyl-benzazole)
    Patent number: 4816554
    Abstract: A class of polymers comprises one or more 2-amidomethylbenzazole units, ##STR1## contained within the main polymer backbone, wherein Ar is Ar.sup.1 or Ar.sup.2, wherein Ar.sup.1 is a tetravalent aromatic nucleus having two pairs of valences, the members of each pair being situated on adjacent carbon atoms; Ar.sup.2 is a trivalent aromatic nucleus in which at least two of the valences are situated on adjacent carbon atoms; and X is --NR.sup.4 --, --O--, or --S--, where R.sup.4 is hydrogen or alkyl of 1 to 8 carbon atoms or an aryl group.
    Type: Grant
    Filed: May 27, 1987
    Date of Patent: March 28, 1989
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Alan R. Katritzksy, Joel Swinson, Kumars Sakizadeh, Jerald K. Rasmussen, Larry R. Krepski, Steven M. Heilmann