Inventor
CREMA STEFANO C
US8 patents
⚠️ This page may combine multiple inventors who share the name “CREMA STEFANO C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF CORP
7 patentsUS5046562ASep 10, 1991
Fluid loss control additives for oil well cementing compositions
BASF CORP22 citations92
US5092935AMar 3, 1992
Fluid loss control additives for oil well cementing compositions
BASF CORP28 citations91
US4609477ASep 2, 1986
Liquid foaming additives used in the stimulation of oil and gas wells
BASF CORP33 citations91
US4931489AJun 5, 1990
Fluid loss control additives for oil well cementing compositions
BASF CORP37 citations90
US4676916AJun 30, 1987
Acidizing concentrates for oil well acidizing systems
BASF CORP20 citations80
US4933378AJun 12, 1990
Fluid loss control additives for oil well cementing compositions
BASF CORP9 citations69
US5228915AJul 20, 1993
Fluid loss control additives for oil well cementing compositions
BASF CORP6 citations62