KW

Karl E. Wiegand

ET Ethyl: 7 patents #74 of 494Top 15%
AL Albemarle: 2 patents #165 of 439Top 40%
ND Nelson Research & Development: 1 patents #9 of 17Top 55%
Overall (All Time): #526,865 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5847177 Production of hydrocarbon-soluble hydrocarbylaluminoxanes Samuel A. Sangokoya 1998-12-08
5565395 Aluminoxanate compositions Samuel A. Sangokoya, Milham S. Howie, Patrick G. Simms 1996-10-15
5252345 Zeolite compositions Patrick C. Hu, James S. Staton 1993-10-12
5183061 Silicon compounds in bone treatment Patrick C. Hu 1993-02-02
4954448 Modulation of adenylate cyclase response Robert K. Rude 1990-09-04
4917045 Silicon compounds in poultry hatching Patrick C. Hu 1990-04-17
4870191 Silicon containing reaction product Patrick C. Hu 1989-09-26
4595742 Di(alkylthio)diamine chain extenders for polyurethane elastomers Christopher J. Nalepa, Paul F. Ranken 1986-06-17
4374256 Process for the preparation of pyrryl-2-acetonitrile James Kao 1983-02-15
4187230 Preparation of 5-aroyl-pyrrole compounds James Kao, Michael J. Dagani 1980-02-05