Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Patent
1989-11-20
1991-03-19
Nutter, Nathan M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
536 90, 536 91, 536 95, 536 96, 536 97, 536 98, 536 99, 536111, 536112, 536120, C08B 1100, C08B 11193, C08B 1108, C08B 1112
Patent
active
050012312
ABSTRACT:
Carboxymethylhydroxyethyl (CMHEC), starch and guar are preferred polysaccharides providing at least a 1% solution viscosity of 1000 cps at 25 C. An invert emulsion for oil drilling or paper manufacture comprises on a weight percent basis:
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Ullmanns Encyklopadie der technischen Chemie, Band 9, 1975.
Aqualon Company
Luchs James K.
Nutter Nathan M.
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