WK

Walter M. Kalback

CO Conoco: 4 patents #81 of 638Top 15%
Overall (All Time): #1,290,814 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5538621 Solvated mesophase pitches H. Ernest Romine, Xavier Bourrat 1996-07-23
5259947 Solvated mesophase pitches H. Ernest Romine, Xavier Bourrat 1993-11-09
5198101 Process for the production of mesophase pitch 1993-03-30
4904371 Process for the production of mesophase pitch 1990-02-27