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2 085 548

(13)

C1

(51)

IPC

(21) (22)

Application

93051094/25, 1991-12-04

(22)

Actual filing date

1991-12-04

(45)

Published

1997-07-27

(72)

Inventor

Ashar Patrik[Fr]Il'Biz'Jan P'Er[Fr]Limuzen Loran[Fr]Nevo Bernar[Fr]Pedp'Es Zhan-Bernar[Fr]Shvab Ivan Al'Fred[Fr]

(73)

Holder

TransvalorGrand Paruass Sa

METHOD OF PRODUCING NITROGEN-PHOSPHORUS PRODUCTS AND PRODUCTS PREPARED BY THIS METHOD Russian patent published in 1997 - IPC

Abstract RU 2085548 C1

FIELD: fertilizers. SUBSTANCE: invention relates to method of producing nitrogen-phosphorus products soluble in neutral ammonium citrate and no containing significant free urea that is a component of calcium sulfate urea derivative. Method involves reaction of calcium phosphate with urea mixture per mole of sulfuric acid. Nitrogen-phosphorus product based on calcium phosphate and urea has phosphates as mono- and/or diphosphate of calcium and urea as calcium sulfate tetraurate. EFFECT: improved method of producing. 9 cl

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RU 2 085 548 C1

Authors

Ashar Patrik[Fr]

Il'Biz'Jan P'Er[Fr]

Limuzen Loran[Fr]

Nevo Bernar[Fr]

Pedp'Es Zhan-Bernar[Fr]

Shvab Ivan Al'Fred[Fr]

Dates

1997-07-27—Published

1991-12-04—Filed

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