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2 026 309

(13)

C1

(51)

IPC

(21) (22)

Application

4904321/05, 1990-12-13

(22)

Actual filing date

1990-12-13

(45)

Published

1995-01-09

(72)

Inventor

Blinkova O.P.Romanov N.M.Kuz'Mina L.A.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Institut Plasticheskikh Mass Im.Petrova"

PROCESS FOR PREPARING MODIFIED AMINOFORMALDEHYDE RESINS Russian patent published in 1995 - IPC

Abstract RU 2026309 C1

FIELD: chemical and timber chemical industries. SUBSTANCE: the process for preparing modified aminoformaldehyde resins involves combined condensation of amine, phenol and formaldehyde in a 1:(0.01-0.03):1.89-3.0 molar ratio on heating in variable media, the final amine to formaldehyde molar ratio being 1: (1.15-1.45). EFFECT: improved properties of the modified resins. 2 tbl

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RU 2 026 309 C1

Authors

Blinkova O.P.

Romanov N.M.

Kuz'Mina L.A.

Dates

1995-01-09—Published

1990-12-13—Filed

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