LM

Leonard A. Matthews

Chevron: 6 patents #767 of 4,788Top 20%
CR Crompton: 2 patents #47 of 231Top 25%
EA Ethyl Additives: 1 patents #2 of 18Top 15%
Overall (All Time): #588,266 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6444625 High viscosity overbased sulfonate detergent and marine cylinder oils containing same Ronald J. Muir, Theo I. Eliades 2002-09-03
6239084 Viscosity drift control in overbased detergents Theo I. Eliades, Ronald J. Muir 2001-05-29
5792732 Lubricants with linear alkaryl overbased detergents Tze-Chi Jao, Ingrid Christiane Denys, Nancy Anne Morton 1998-08-11
5235067 Continuous process for alkenyl succinimides Billy R. Allen, Bobby R. Martin, John A. Lemen 1993-08-10
5147414 Process for producing ORI control additives William J. Powers, III, Marian F. Leong, Robert Erickson 1992-09-15
5108630 Process for overbasing sulfonates comprising two separate additions of calcium oxide Elzie D. Black, William J. Powers, III, Robert Erickson 1992-04-28
4997584 Process for preparing improved overbased calcium sulfonate Tze-Chi Jao, Jayne M. Vaccaro 1991-03-05
4929373 Process for preparing overbased calcium sulfonates William J. Powers, III, Tze-Chi Jao 1990-05-29
4879053 Process for preparing overbased calcium sulfonates William J. Powers, III, Henry M. Przybyla, Joanne R. Whittle, Jerry C. Perciful 1989-11-07