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2 123 503

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C1

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IPC

(21) (22)

Application

96120821/04, 1996-10-21

(22)

Actual filing date

1996-10-21

(45)

Published

1998-12-20

(72)

Inventor

Medvedeva E.N.Babkin V.A.Popova N.N.Sinitsyn A.P.

(73)

Holder

Irkutskij Institut Khimii So Ran

METHOD OF PRODUCING LIQUID RESOL PHENOLFORMALDEHYDE RESINS Russian patent published in 1998 - IPC

Abstract RU 2123503 C1

FIELD: chemical technology, biotechnology. SUBSTANCE: resin is synthesized by condensation of phenol, biolignin and formaldehyde in alkaline medium at heating. Biolignin is waste of cellolignin hydrolysis with enzyme preparation - celloviridine. Change of phenol (30-50% by mass) for biolignin ensures to solve a problem of biolignin utilization. EFFECT: improved method of resin producing, decreased cost of resin. 1 tbl, 6 ex

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RU 2 123 503 C1

Authors

Medvedeva E.N.

Babkin V.A.

Popova N.N.

Sinitsyn A.P.

Dates

1998-12-20—Published

1996-10-21—Filed

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