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2 081 153

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C1

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IPC

(21) (22)

Application

5056205/04, 1992-07-16

(22)

Actual filing date

1992-07-16

(45)

Published

1997-06-10

(72)

Inventor

Sapgir Elena VeniaminovnaRyleeva Natalija Aleksandrovna

(73)

Holder

Sapgir Elena VeniaminovnaRyleeva Natalija Aleksandrovna

COMPOSITION FOR TREATMENT OF SOLID SURFACES Russian patent published in 1997 - IPC

Abstract RU 2081153 C1

FIELD: chemical industry. SUBSTANCE: composition comprises, %: mixture of perfluoropolyetheracids of formula 1 and 2, where n is 8-50, 0.01-7.00; saturated cyclic perfluorohydrocarbon, up to 100. Structure of compounds of formula 1 and 2: C3F7O(C3F6O)nCOOH, C3F7O(C3F6O)nCF2COCF3.. EFFECT: improved properties. 2 cl, 2 tbl

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RU 2 081 153 C1

Authors

Sapgir Elena Veniaminovna

Ryleeva Natalija Aleksandrovna

Dates

1997-06-10—Published

1992-07-16—Filed

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