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2 067 107

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C1

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IPC

(21) (22)

Application

5011634/03, 1992-05-07

(22)

Actual filing date

1992-05-07

(45)

Published

1996-09-27

(72)

Inventor

Martin Khille[De]Khajnts Vittkus[De]Bernd Vindkhauzen[De]Khans Jurgen Shol'Ts[De]Frank Vajnel'T[De]

(73)

Holder

Khekhst Ag

OILY PHASE OF INVERT EMULSION WASHING DRILLING FLUID, EMULSION WASHING DRILLING FLUID, MOTOR, TRANSMISSION AND LUBRICANT OIL, LIQUID FOR METAL WORKING Russian patent published in 1996 - IPC

Abstract RU 2067107 C1

FIELD: drilling, coolant liquids. SUBSTANCE: acetals were used at substitution of mineral oil, oil component or basic oil in invert emulsion washing drilling fluids, emulsion washing drilling fluids, motor, transmission and lubricant oils, and also in liquids used for metal working and hydraulic liquids. Acetals, on the contrary to mineral oils, show good biological degradability and lower toxicity. EFFECT: improved properties of agent proposed.

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RU 2 067 107 C1

Authors

Martin Khille[De]

Khajnts Vittkus[De]

Bernd Vindkhauzen[De]

Khans Jurgen Shol'Ts[De]

Frank Vajnel'T[De]

Dates

1996-09-27—Published

1992-05-07—Filed

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