Inventor
WEINTRITT DONALD J
US4 patents
⚠️ This page may combine multiple inventors who share the name “WEINTRITT DONALD J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUPERIOR GRAPHITE CO
3 patentsUS5826669AOct 27, 1998
Drilling fluid loss prevention and lubrication additive
SUPERIOR GRAPHITE CO158 citations96
US7666469B2Feb 23, 2010
Method of making graphite-coated particulate materials
SUPERIOR GRAPHITE CO35 citations87
US7402338B2Jul 22, 2008
Graphite-coated particulate materials
SUPERIOR GRAPHITE CO21 citations87