Patents by Inventor Victor A. Snieckus

Victor A. Snieckus 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 preparing bisallylboranes and nonaromatic boronic acids
    Publication number: 20030096995
    Abstract: A process for preparing bisallylboranes of the formula (I) by reacting a diene with sodium borohydride in the presence of an oxidant 1
    Type: Application
    Filed: September 6, 2002
    Publication date: May 22, 2003
    Applicant: Clariant GmbH
    Inventors: Stefan Scherer, Alexei Kalinin, Victor Snieckus
  • Method of preparing enantiomerically-enriched tetrahydrobenzothiepine oxides
    Publication number: 20020188119
    Abstract: A process for preparing enantiomerically enriched tetrahydrobenzothipeine oxides comprises cyclizing an enantiomerically enriched aryl-3-propanalsulfoxide wherein the sulfur atom of the aryl-3-propanalsulfoxide is a chiral center.
    Type: Application
    Filed: February 11, 2002
    Publication date: December 12, 2002
    Inventors: Jinglin Li, Ching-Cheng Wang, David B. Reitz, Victor Snieckus, Horng-Chih Huang, Andrew J. Carpenter
  • Method of preparing enantiomerically-enriched tetrahydrobenzothiepine oxides
    Patent number: 6369220
    Abstract: A process for preparing enantiomerically enriched tetrahydrobenzothipeine oxides comprises cyclizing an enantiomerically enriched aryl-3-propanalsulfoxide wherein the sulfur atom of the aryl-3-propanalsulfoxide is a chiral center.
    Type: Grant
    Filed: October 2, 2000
    Date of Patent: April 9, 2002
    Inventors: Jinglin (James T.) Li, Ching-Cheng Wang, David B. Reitz, Victor Snieckus, Horng-Chih Huang, Andrew J. Carpenter
  • Ellagic acid analogues
    Patent number: 5104894
    Abstract: Synthetic novel ellagic acid congeners of the formula: ##STR1## wherein: R.sub.1 is --H, --OH or --OR';R.sub.2 is --H, --OH or --OR';R.sub.3 is --H, --OH or --OR';R.sub.4 is --H, --OH or --OR';R.sub.5 is --H, --OH or --OR';R.sub.6 is --H, --OH or --OR';R' is lower alkyl having 1 to 8 carbon atoms or --CH.sub.2 --Ar;Ar is phenyl or substituted phenyl, and at least one of R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 is other than --H. The above compounds and 6H-dibenzo[b,d]pyran-6-one are useful for inhibiting mutagenic activity in living cells.
    Type: Grant
    Filed: March 8, 1988
    Date of Patent: April 14, 1992
    Assignee: University of Guelph
    Inventors: Philip D. Josephy, Victor A. Snieckus