JV

Joseph J. Valcho

ET Ethyl: 6 patents #91 of 494Top 20%
AM Amoco: 2 patents #385 of 1,251Top 35%
S( Standard Oil Company (Indiana): 1 patents #254 of 576Top 45%
TO The Standard Oil: 1 patents #291 of 601Top 50%
Overall (All Time): #526,035 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6107257 Highly grafted, multi-functional olefin copolymer VI modifiers Mark Rees, Peter Growcott, Mark T. Devlin, Errol J. Olivier 2000-08-22
5616153 Copolymer dispersants via vinyl terminated propene polymers Carl A. Mike, Daniel Y. F. Yu 1997-04-01
5612296 Ashless dispersants their preparation and their use Anthony J. Rollin 1997-03-18
5496480 Ashless dispersants comprising reaction product of acylating agent and aminoguanidine Anthony J. Rollin 1996-03-05
5433875 Ashless mannich despersants, their preparation, and their use Anthony J. Rollin 1995-07-18
5302304 Silver protective lubricant composition 1994-04-12
4634541 Color stabilizers for zinc dithiophosphates Gunter Caspari 1987-01-06
4614602 Lubricant overbased detergent-dispersants with improved solubility Francis J. Slama, Joseph S. Strukl, Chang-Man Park 1986-09-30
4601837 Process for the preparation of overbased, molybdenum-alkaline earth metal sulfonate dispersions Steven E. Lindberg, Mack W. Hunt, Albert R. Sabol 1986-07-22
4253974 Oil recovery and mobility control in surfactant systems using the reaction product of an alkenyl succinic anhydride and a tertiary amine Robert E. Karll 1981-03-03