FR512697A -
Preparation of halogenated derivatives of phenylethylbromacetic acid and their condensation product with urea or phenylethylhydantoin
- Google Patents
Preparation of halogenated derivatives of phenylethylbromacetic acid and their condensation product with urea or phenylethylhydantoin
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Poulenc Freres SA
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Poulenc Freres SA
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FR512697A1919-09-261919-09-26
Preparation of halogenated derivatives of phenylethylbromacetic acid and their condensation product with urea or phenylethylhydantoin
ExpiredFR512697A
(en)
Process for the preparation, for spinning, of aromatic polyesters condensed in solvents, formed with aromatic dicarboxylic acids or their derivatives and glycols
Process for the preparation of condensation products of formaldehyde both with 1- or 2-aminonaphthalinemono- or disulfonic acids and with aromatic oxysulfonic acids