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2 063 476

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C1

(51)

IPC

(21) (22)

Application

93057522/02, 1993-12-28

(22)

Actual filing date

1993-12-28

(45)

Published

1996-07-10

(72)

Inventor

Kashina L.L.Chumaevskij V.A.Krasnova T.M.

(73)

Holder

Nauchno-Proizvodstvennoe Tovarishchestvo

SOLUTION FOR SIMULTANEOUS DEFATTING AND PHOSPHATING Russian patent published in 1996 - IPC

Abstract RU 2063476 C1

FIELD: metal working. SUBSTANCE: solution for steel surface working has, wt.-%: phosphate ions 0.34-1.0; nitrate ions 0.02-0.07; molybdenum ions 0.001-0.012; polyethylene glycol ester of synthetic saturated alcohols taken from the group ДС-10, ДТ-7 0.0008-0.02; alkylpolyhydroxyethylene sulfates 0.00036-0.0016, and water - the rest. Phosphate ions were added to solution as phosphoric acid and liquid complex fertilizers at ratio 1:2. EFFECT: enhanced effectiveness of solution. 1 tbl

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RU 2 063 476 C1

Authors

Kashina L.L.

Chumaevskij V.A.

Krasnova T.M.

Dates

1996-07-10—Published

1993-12-28—Filed

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