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2 151 141

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IPC

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Application

99103934/04, 1999-02-23

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Start date

1999-02-23

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Actual filing date

1999-02-23

(45)

Published

2000-06-20

(72)

Inventor

Ovchinnikov K.L.Kolobov A.V.Kofanov E.R.Nosova G.I.Kudrjavtsev V.V.

(73)

Holder

Jaroslavskij Gosudarstvennyj Tekhnicheskij Universitet

4'-AMIN0-3,4-BIPHENYLDICARBOXYLIC ACID Russian patent published in 2000 - IPC

Abstract RU 2151141 C1

FIELD: organic chemistry. SUBSTANCE: described is new compound, namely 4-amino-3,4-biphenyldicarboxylic acid which is monomer useful in chemical industry for preparing polyimides. EFFECT: improved properties of the title compound. 15 ex, 2 tbl

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RU 2 151 141 C1

Authors

Ovchinnikov K.L.

Kolobov A.V.

Kofanov E.R.

Nosova G.I.

Kudrjavtsev V.V.

Dates

2000-06-20—Published

1999-02-23—Filed

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