Inventor
DARWIN DAVID CHARLES
US7 patents
⚠️ This page may combine multiple inventors who share the name “DARWIN DAVID CHARLES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GRACE W R & CO
6 patentsUS5643978AJul 1, 1997
Cement admixture product having improved rheological properties and process of forming same
GRACE W R & CO184 citations98
US5665158ASep 9, 1997
Cement admixture product
GRACE W R & CO120 citations96
US5753744AMay 19, 1998
Cement and cement composition having improved rheological properties
GRACE W R & CO77 citations95
US5728207AMar 17, 1998
Cement admixture product having improved rheological properties and process of forming same
GRACE W R & CO88 citations95
US6139623AOct 31, 2000
Emulsified comb polymer and defoaming agent composition and method of making same
GRACE W R & CO76 citations94
US5840114ANov 24, 1998
High early-strength-enhancing admixture for precast hydraulic cement and compositions containing same
GRACE W R & CO103 citations93