Inventor
ARFAEI AHMAD
US17 patents
⚠️ This page may combine multiple inventors who share the name “ARFAEI AHMAD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GRACE W R & CO
15 patentsUS5633298AMay 27, 1997
Cement admixture product having improved rheological properties and process of forming same
GRACE W R & CO157 citations98
US4960465AOct 2, 1990
Hydraulic cement additives and hydraulic cement compositions containing same
GRACE W R & CO86 citations96
US4948429AAug 14, 1990
Method of controlling air entrainment in concrete compositions
GRACE W R & CO107 citations96
US4814014AMar 21, 1989
Hydraulic cement additives and hydraulic cement compositions containing same
GRACE W R & CO97 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
US5840114ANov 24, 1998
High early-strength-enhancing admixture for precast hydraulic cement and compositions containing same
GRACE W R & CO103 citations93
US5703174ADec 30, 1997
Air controlling superplasticizers
GRACE W R & CO111 citations93
US5211751AMay 18, 1993
Hydraulic cement set-accelerating admixtures incorporating amino acid derivatives
GRACE W R & CO74 citations93
US5340385AAug 23, 1994
Hydraulic cement set-accelerating admixtures incorporating glycols
GRACE W R & CO26 citations92
US5348583ASep 20, 1994
Hydraulic cement set-accelerating admixtures incorporating glycols
GRACE W R & CO39 citations91
US4946506AAug 7, 1990
Corrosion inhibiting hydraulic cement additives and compositions containing same
GRACE W R & CO30 citations89
US5422141AJun 6, 1995
Corrosion inhibiting composition for reinforced concrete and method of applying same
GRACE W R & CO39 citations87
US5209885AMay 11, 1993
Aqueous extrusion of silicon nitride
GRACE W R & CO8 citations74
US5531825AJul 2, 1996
Hydraulic cement set accelerators based on nitroalcohols
GRACE W R & CO14 citations71