Inventor
BERUBE RICHARD R
US7 patents
⚠️ This page may combine multiple inventors who share the name “BERUBE RICHARD R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ENGELHARD CORP
3 patentsUS6585822B2Jul 1, 2003
Kaolin clay glossing pigment and preparation thereof
ENGELHARD CORP33 citations90
US5011534AApr 30, 1991
Calcined kaolin clay filler pigment for enhancing opacity and printing properties of newsprint and mechanical papers
ENGELHARD CORP50 citations89
US6811600B2Nov 2, 2004
Chemically bulked kaolin clay pigment compatible with calcium carbonate and manufacture thereof
ENGELHARD CORP4 citations62