Inventor
HELLSTEN MARTIN
SE15 patents
⚠️ This page may combine multiple inventors who share the name “HELLSTEN MARTIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AKZO NOBEL NV
5 patentsUS5902784AMay 11, 1999
Use of a betaine surfactant together with an anionic surfactant as a drag-reducing agent
AKZO NOBEL NV35 citations92
US5979479ANov 9, 1999
Use of alkoxylated alkanolamide together with alkoxylated alcohol as a friction-reducing agent
AKZO NOBEL NV16 citations73
US5911236AJun 15, 1999
Alkoxylated alkanolamide together with an ionic surfactant as friction-reducing agent
AKZO NOBEL NV14 citations71
US8375971B2Feb 19, 2013
Use of a zwitterionic surfactant together with an anionic ether-containing surfactant as a drag-reducing agent
AKZO NOBEL NV1 citations48
US7987866B2Aug 2, 2011
Zwitterionic surfacant together with an anionic ether-containing surfactant as a drag-reducing agent
AKZO NOBEL NV1 citations48
BEROL KEMI AB
5 patentsUS4830739AMay 16, 1989
Process and composition for the froth flotation beneficiation of iron minerals from iron ores
BEROL KEMI AB27 citations88
US4732667AMar 22, 1988
Process and composition for the froth flotation beneficiation of iron minerals from iron ores
BEROL KEMI AB25 citations86
US4828687AMay 9, 1989
Froth flotation process and collector therefor
BEROL KEMI AB15 citations72
US4876122AOct 24, 1989
Package capable of preventing foam formation, method of manufacturing such a package, and antifoaming agent
BEROL KEMI AB4 citations62
US4795578AJan 3, 1989
Process and composition for the froth flotation beneficiation of iron minerals from iron ores
BEROL KEMI AB4 citations58