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2 064 570

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IPC

(21) (22)

Application

94026792/03, 1994-07-15

(22)

Actual filing date

1994-07-15

(45)

Published

1996-07-27

(72)

Inventor

Konovalov Evgenij AlekseevichPodkhaljuzin Vjacheslav SemenovichBalaba Vladimir IvanovichJakovlev Sergej Sergeevich

(73)

Holder

Konovalov Evgenij AlekseevichPodkhaljuzin Vjacheslav SemenovichBalaba Vladimir IvanovichJakovlev Sergej Sergeevich

METHOD FOR PRODUCTION OF WATERPROOFING COMPOUND Russian patent published in 1996 - IPC

Abstract RU 2064570 C1

FIELD: isolating work in wells. SUBSTANCE: method for production of waterproofing compound includes treatment of silicate-containing additive with acid modifier. Silicate-containing additive is used in form of nepheline-containing powdery material. For instance, ground nepheline ore or tailings, or conditioned nepheline concentrate. Acid modifier is used in form of 5-20% aqueous solution of strong acid in the amount of 4 to 15 mas.p per mas.p. of nepheline-containing powdery material. EFFECT: higher efficiency. 1 tbl

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RU 2 064 570 C1

Authors

Konovalov Evgenij Alekseevich

Podkhaljuzin Vjacheslav Semenovich

Balaba Vladimir Ivanovich

Jakovlev Sergej Sergeevich

Dates

1996-07-27—Published

1994-07-15—Filed